Statistics of Price Movements of Proteostasis Ther (PTI)

The price movements of Proteostasis Ther (ticker PTI) are summarized in five ways:

• Table 1. Statistics of daily price changes using the closing prices
• Table 2. Statistics of daily price changes using the closing and opening prices
• Table 3 – 7. Statistics of daily price changes when PTI opened with an increase of 1%, 2%, 3%, 4%, or more than 5%
• Table 8 – 10. Statistics of stock price changes in the 20 days after PTI had a big price move
• Table 11. Statistics of daily price changes in the 20 days after PTI moved 5% with twice the 30-day average volume

The statistics are calculated using PTI's price data across 1,257 trading days from 2016 to 2020.

Table 1. Statistics of PTI one-day price changes

In this table, the one-day price change is calculated using the closing price and the previous day's closing price.

In the past 1,257 trading days, 42.6% of the time (535 days), PTI closed above the previous day's closing price. 50.5% of the time (634 days), it closed below the previous day's closing price. 6.9% of the time (87 days), it did not change.

Also see: VIX price movement study.

PTI Price Change (%)	Number of Days	% of Total Sessions
447 – 448%	1	0.08%
161 – 162%	1	0.08%
54 – 55%	1	0.08%
51 – 52%	1	0.08%
41 – 42%	1	0.08%
35 – 36%	1	0.08%
32 – 33%	1	0.08%
30 – 31%	1	0.08%
28 – 29%	1	0.08%
26 – 27%	1	0.08%
23 – 24%	3	0.24%
21 – 22%	1	0.08%
19 – 20%	2	0.16%
18 – 19%	1	0.08%
16 – 17%	3	0.24%
15 – 16%	3	0.24%
14 – 15%	6	0.48%
13 – 14%	5	0.40%
12 – 13%	6	0.48%
11 – 12%	4	0.32%
10 – 11%	8	0.64%
9 – 10%	10	0.80%
8 – 9%	20	1.59%
7 – 8%	21	1.67%
6 – 7%	33	2.63%
5 – 6%	29	2.31%
4 – 5%	45	3.58%
3 – 4%	66	5.25%
2 – 3%	79	6.29%
1 – 2%	90	7.17%
0 – 1%	90	7.17%
0%	87	6.93%
0 – -1%	123	9.79%
-1 – -2%	112	8.92%
-2 – -3%	98	7.80%
-3 – -4%	78	6.21%
-4 – -5%	64	5.10%
-5 – -6%	36	2.87%
-6 – -7%	36	2.87%
-7 – -8%	23	1.83%
-8 – -9%	9	0.72%
-9 – -10%	16	1.27%
-10 – -11%	8	0.64%
-11 – -12%	4	0.32%
-12 – -13%	5	0.40%
-13 – -14%	4	0.32%
-14 – -15%	2	0.16%
-15 – -16%	3	0.24%
-16 – -17%	1	0.08%
-18 – -19%	1	0.08%
-19 – -20%	1	0.08%
-20 – -21%	1	0.08%
-23 – -24%	1	0.08%
-26 – -27%	1	0.08%
-27 – -28%	1	0.08%
-28 – -29%	1	0.08%
-30 – -31%	1	0.08%
-33 – -34%	1	0.08%
-38 – -39%	1	0.08%
-63 – -64%	1	0.08%
-67 – -68%	1	0.08%

Table 2. Statistics of PTI: Closing vs. Open

In this table, instead of using the closing price of the previous day, the opening price is used to calculate the one-day price change of PTI.

40.6% of the time (510 days), PTI closed above the opening price. 52.6% of the time (661 days), it closed below the opening price. 6.8% of the time (86 days), it closed where it started.

Closing - Open (%)	Number of Days	% of Total Sessions
73 – 74%	1	0.08%
41 – 42%	1	0.08%
36 – 37%	1	0.08%
30 – 31%	2	0.16%
24 – 25%	2	0.16%
23 – 24%	2	0.16%
21 – 22%	1	0.08%
20 – 21%	2	0.16%
19 – 20%	1	0.08%
18 – 19%	2	0.16%
17 – 18%	1	0.08%
16 – 17%	2	0.16%
15 – 16%	1	0.08%
14 – 15%	5	0.40%
13 – 14%	5	0.40%
12 – 13%	5	0.40%
11 – 12%	8	0.64%
10 – 11%	9	0.72%
9 – 10%	13	1.03%
8 – 9%	12	0.95%
7 – 8%	14	1.11%
6 – 7%	22	1.75%
5 – 6%	34	2.70%
4 – 5%	55	4.38%
3 – 4%	49	3.90%
2 – 3%	85	6.76%
1 – 2%	99	7.88%
0 – 1%	76	6.05%
0%	86	6.84%
0 – -1%	117	9.31%
-1 – -2%	121	9.63%
-2 – -3%	97	7.72%
-3 – -4%	80	6.36%
-4 – -5%	77	6.13%
-5 – -6%	44	3.50%
-6 – -7%	39	3.10%
-7 – -8%	23	1.83%
-8 – -9%	15	1.19%
-9 – -10%	8	0.64%
-10 – -11%	7	0.56%
-11 – -12%	8	0.64%
-12 – -13%	3	0.24%
-13 – -14%	3	0.24%
-14 – -15%	5	0.40%
-16 – -17%	3	0.24%
-17 – -18%	1	0.08%
-19 – -20%	2	0.16%
-20 – -21%	1	0.08%
-21 – -22%	2	0.16%
-30 – -31%	1	0.08%
-31 – -32%	1	0.08%
-33 – -34%	1	0.08%
-34 – -35%	1	0.08%
-36 – -37%	1	0.08%

Table 3. One-day performance when PTI opened 5% higher than previous close

In the past 1,257 trading days, PTI opened more than 5% higher than the previous day's closing price 36 times. Of these days, 36.1% (13 days) had closing prices above the opening price, and 63.9% (23 days) had closing prices below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
73 – 74%	1	2.78%
30 – 31%	1	2.78%
21 – 22%	1	2.78%
11 – 12%	1	2.78%
9 – 10%	3	8.33%
6 – 7%	1	2.78%
5 – 6%	1	2.78%
2 – 3%	2	5.56%
1 – 2%	2	5.56%
0 – -1%	2	5.56%
-1 – -2%	1	2.78%
-2 – -3%	2	5.56%
-3 – -4%	2	5.56%
-4 – -5%	1	2.78%
-5 – -6%	1	2.78%
-6 – -7%	3	8.33%
-8 – -9%	1	2.78%
-9 – -10%	2	5.56%
-10 – -11%	1	2.78%
-11 – -12%	1	2.78%
-12 – -13%	1	2.78%
-13 – -14%	2	5.56%
-14 – -15%	1	2.78%
-21 – -22%	1	2.78%
-31 – -32%	1	2.78%

Table 4. Closing vs. open when PTI opened 4–5% higher

On 20 days, PTI opened 4–5% higher than the previous day's closing price. Of these days, 25.0% (5 days) had closing prices above the opening price, and 75.0% (15 days) had closing prices below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
11 – 12%	1	5.00%
4 – 5%	2	10.00%
3 – 4%	1	5.00%
1 – 2%	1	5.00%
0 – -1%	1	5.00%
-1 – -2%	2	10.00%
-2 – -3%	3	15.00%
-3 – -4%	2	10.00%
-4 – -5%	2	10.00%
-5 – -6%	1	5.00%
-6 – -7%	2	10.00%
-8 – -9%	1	5.00%
-11 – -12%	1	5.00%

Table 5. Closing vs. open when PTI open 3 – 4% higher

27 times PTI opened 3 – 4% higher than the previous day's closing price. Among these days, 48.1% (13 days) closed above the opening price, 51.9% (14 days) closed below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
24 – 25%	1	3.70%
23 – 24%	1	3.70%
19 – 20%	1	3.70%
15 – 16%	1	3.70%
10 – 11%	1	3.70%
4 – 5%	2	7.41%
2 – 3%	2	7.41%
1 – 2%	3	11.11%
0 – 1%	1	3.70%
0 – -1%	1	3.70%
-1 – -2%	3	11.11%
-3 – -4%	3	11.11%
-4 – -5%	3	11.11%
-6 – -7%	1	3.70%
-7 – -8%	2	7.41%
-8 – -9%	1	3.70%

Table 6. Closing vs. open when PTI open 2 – 3% higher

54 times PTI opened 2 – 3% higher than the previous day's closing price. Among these days, 24.1% (13 days) closed above the opening price, 74.1% (40 days) closed below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
20 – 21%	1	1.85%
12 – 13%	1	1.85%
10 – 11%	1	1.85%
7 – 8%	2	3.70%
6 – 7%	1	1.85%
5 – 6%	1	1.85%
4 – 5%	1	1.85%
3 – 4%	1	1.85%
2 – 3%	1	1.85%
0 – 1%	3	5.56%
0%	1	1.85%
0 – -1%	2	3.70%
-1 – -2%	7	12.96%
-2 – -3%	7	12.96%
-3 – -4%	4	7.41%
-4 – -5%	9	16.67%
-5 – -6%	3	5.56%
-6 – -7%	5	9.26%
-7 – -8%	1	1.85%
-8 – -9%	1	1.85%
-10 – -11%	1	1.85%

Table 7. Closing vs. open when PTI open 1 – 2% higher

161 times PTI opened 1 – 2% higher than the previous day's closing price. Among these days, 42.2% (68 days) closed above the opening price, 53.4% (86 days) closed below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
30 – 31%	1	0.62%
20 – 21%	1	0.62%
13 – 14%	1	0.62%
12 – 13%	1	0.62%
10 – 11%	2	1.24%
9 – 10%	1	0.62%
8 – 9%	3	1.86%
7 – 8%	3	1.86%
6 – 7%	4	2.48%
5 – 6%	12	7.45%
4 – 5%	7	4.35%
3 – 4%	3	1.86%
2 – 3%	8	4.97%
1 – 2%	13	8.07%
0 – 1%	8	4.97%
0%	7	4.35%
0 – -1%	10	6.21%
-1 – -2%	13	8.07%
-2 – -3%	19	11.80%
-3 – -4%	9	5.59%
-4 – -5%	10	6.21%
-5 – -6%	8	4.97%
-6 – -7%	4	2.48%
-7 – -8%	2	1.24%
-8 – -9%	2	1.24%
-10 – -11%	1	0.62%
-11 – -12%	3	1.86%
-16 – -17%	2	1.24%
-19 – -20%	1	0.62%
-21 – -22%	1	0.62%
-34 – -35%	1	0.62%

Table 8. Periods when PTI moved 15% or more

In this table, we track the price movements in the 20 days after PTI had a one-day price change of at least 15%.

Date	Price Change	Price Change after 15% Move
Days after:		1	4	7	10	13	16	19
20181018	447.6%	-23.2	-48.3	-40.8	-34.9	-33.9	-32.2	-40.8
20171212	161.2%	-10.9	-27.2	-17.4	-1.3	-5.0	-2.3	-9.4
20180313	54.1%	2.7	9.6	-15.5	-20.8	-25.5	-25.7	-26.8
20191224	51%	.0	-5.3	-3.1	.0	-16.0	-16.9	-12.9
20160309	41.2%	-18.8	-15.1	-18.5	-11.7	-25.8	-18.0	-22.8
20191205	35.3%	-6.3	12.4	14.8	-64.6	-40.6	-41.2	-39.8
20171129	32.1%	.0	-2.7	-6.9	111.2	72.6	95.8	134.0
20160307	30.2%	14.9	23.8	31.9	36.3	35.8	25.7	28.9
20200428	28.8%	.9	-12.8	-8.7	8.1	4.5	5.7	-2.7
20191126	26.9%	.0	.0	57.9	65.4	77.1	-35.8	-37.9
20191120	23.8%	16.3	77.8	80.7	107.4	161.5	203.7	17.0
20200317	23.8%	16.4	4.5	13.6	3.6	2.7	3.6	20.0
20201208	23%
20190211	21.8%	-4.1	4.1	3.1	4.3	5.4	13.6	3.1
20191223	19.6%	51.0	49.7	53.0	55.0	39.6	30.2	31.5
20160817	19.4%	-2.6	-8.2	-31.8	-26.3	-21.5	-31.2	-36.4
20200804	18.1%	-6.8	-19.9	-21.6	-22.7	-26.1	-21.6	-23.3
20160503	16.7%	5.8	8.9	11.3	13.4	-1.1	31.4	45.4
20200318	16.3%	8.6	-2.3	.0	-14.8	-9.4	-4.7	9.4
20191121	16.2%	11.5	52.9	52.9	141.4	152.9	170.7	-1.9
20170518	15.9%	-9.4	7.0	.7	5.5	6.3	4.8	-8.0
20160606	15.4%	2.3	3.9	2.7	-14.4	-13.1	-38.0	-39.6
20200220	15.1%	1.0	-15.7	-20.7	-19.7	-32.3	-50.5	-35.4
20161028	-15%	-1.5	6.8	28.6	56.2	56.8	62.2	62.4
20170719	-15%	-6.3	-11.3	-21.1	-41.6	-43.4	-46.5	-42.4
20190114	-15%	-5.4	-6.6	-12.9	-13.5	-9.6	-6.9	-3.9
20170428	-16.5%	-4.0	-13.4	-18.8	-26.0	-40.8	-35.9	-29.6
20160310	-18.8%	-6.1	.1	3.5	3.0	-4.6	-2.2	-2.4
20160627	-19%	-3.0	-5.4	-7.0	-.9	-6.3	-14.4	-12.0
20170801	-20.7%	.9	-2.2	-7.6	-.4	-11.1	-18.7	-12.0
20181019	-23.1%	-9.4	-32.7	-24.0	-11.6	-13.1	-17.0	-21.6
20180320	-26.1%	6.0	-2.9	-7.9	-13.8	-9.3	-2.9	-1.6
20181024	-27.7%	.0	12.9	31.4	29.2	23.4	16.4	6.4
20170331	-28.1%	-3.3	-8.2	-9.2	-12.4	-20.6	-29.9	-7.3
20180201	-30.8%	-13.8	-12.5	-5.9	-2.8	-2.2	-6.6	-6.6
20161027	-33.7%	-15.0	-19.3	3.5	35.5	35.1	38.1	38.0
20180607	-38.1%	-2.3	-7.3	-1.3	-3.3	-2.0	-7.9	-8.3
20191217	-63.6%	-2.5	-5.7	54.4	44.3	46.2	32.9	29.1
20190325	-67.8%	6.9	-3.8	-1.5	3.1	3.8	-3.1	-8.4

Table 8a. PTI average price changes following a 15% up day

Of the 1,257 trading days from 2016 to 2020, there were 23 days in which PTI was up more than 15%. This table shows the average price changes over the 23 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ 15%	1.7	4.2	6.0	13.9	13.4	11.6	-2.1

Table 8b. PTI average price changes following a 15% down day

Of the 1,257 trading days from 2016 to 2020, there were 16 days in which PTI was down more than -15%. This table shows the average price changes over the 16 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ -15%	-3.7	-7.0	.3	2.8	.1	-2.6	-1.3

Table 9. Periods when PTI moved 10% or more

In this table, we track the price movements in the 20 days after PTI had a one-day price change of at least 10%.

Date	Price Change	Price Change after 10% Move
Days after:		1	4	7	10	13	16	19
20181018	447.6%	-23.2	-48.3	-40.8	-34.9	-33.9	-32.2	-40.8
20171212	161.2%	-10.9	-27.2	-17.4	-1.3	-5.0	-2.3	-9.4
20180313	54.1%	2.7	9.6	-15.5	-20.8	-25.5	-25.7	-26.8
20191224	51%	.0	-5.3	-3.1	.0	-16.0	-16.9	-12.9
20160309	41.2%	-18.8	-15.1	-18.5	-11.7	-25.8	-18.0	-22.8
20191205	35.3%	-6.3	12.4	14.8	-64.6	-40.6	-41.2	-39.8
20171129	32.1%	.0	-2.7	-6.9	111.2	72.6	95.8	134.0
20160307	30.2%	14.9	23.8	31.9	36.3	35.8	25.7	28.9
20200428	28.8%	.9	-12.8	-8.7	8.1	4.5	5.7	-2.7
20191126	26.9%	.0	.0	57.9	65.4	77.1	-35.8	-37.9
20191120	23.8%	16.3	77.8	80.7	107.4	161.5	203.7	17.0
20200317	23.8%	16.4	4.5	13.6	3.6	2.7	3.6	20.0
20201208	23%
20190211	21.8%	-4.1	4.1	3.1	4.3	5.4	13.6	3.1
20191223	19.6%	51.0	49.7	53.0	55.0	39.6	30.2	31.5
20160817	19.4%	-2.6	-8.2	-31.8	-26.3	-21.5	-31.2	-36.4
20200804	18.1%	-6.8	-19.9	-21.6	-22.7	-26.1	-21.6	-23.3
20160503	16.7%	5.8	8.9	11.3	13.4	-1.1	31.4	45.4
20200318	16.3%	8.6	-2.3	.0	-14.8	-9.4	-4.7	9.4
20191121	16.2%	11.5	52.9	52.9	141.4	152.9	170.7	-1.9
20170518	15.9%	-9.4	7.0	.7	5.5	6.3	4.8	-8.0
20160606	15.4%	2.3	3.9	2.7	-14.4	-13.1	-38.0	-39.6
20200220	15.1%	1.0	-15.7	-20.7	-19.7	-32.3	-50.5	-35.4
20160308	14.9%	41.2	16.8	18.3	30.4	18.1	13.9	9.5
20160525	14.8%	7.2	15.0	16.7	33.2	37.8	33.6	12.0
20170427	14.8%	-16.6	-19.4	-31.4	-40.0	-47.2	-48.1	-38.8
20191106	14.8%	4.5	22.6	20.3	54.6	116.5	174.9	202.4
20201210	14.4%
20180309	14.1%	.5	71.8	25.2	22.3	16.3	13.8	11.2
20161109	13.6%	9.1	8.8	11.2	11.1	6.1	-2.6	4.3
20170524	13.5%	-4.1	-7.7	-1.1	-6.5	-8.1	-16.7	-4.3
20190910	13.5%	-1.1	10.8	2.7	2.8	-4.2	-13.3	-11.8
20160922	13.2%	1.4	3.0	3.1	-2.0	-1.3	-14.3	-18.0
20171222	13%	.0	4.5	8.0	4.2	-4.7	-12.0	-25.8
20160815	12.5%	8.3	25.9	7.7	-6.5	.7	-1.9	-15.7
20191210	12.4%	7.3	9.6	-66.2	-43.3	-43.8	-42.6	-41.8
20161103	12.3%	8.4	36.9	49.5	49.9	45.7	51.3	36.4
20171219	12.3%	6.2	14.1	19.3	23.3	18.9	8.8	.4
20180615	12.3%	-6.3	-8.2	-6.9	-12.5	-12.9	-9.4	-10.0
20200511	12.1%	2.8	-.6	.6	-7.4	-26.1	-19.3	-14.2
20181026	11.9%	2.3	12.5	14.2	17.2	2.3	-.3	-6.7
20170626	11.6%	-8.6	-2.3	1.7	.0	2.3	-4.4	-26.7
20191122	11.4%	8.0	37.1	50.9	102.9	143.4	148.6	-23.4
20170630	11.1%	3.4	.0	7.1	2.8	-16.9	-26.3	-34.0
20170104	10.9%	-1.1	.0	-8.4	-10.7	-23.3	-8.0	5.1
20200203	10.7%	-4.3	-8.6	-10.3	-7.6	7.0	-2.2	-15.7
20170601	10.6%	.2	-5.3	-6.8	-15.5	-3.0	-2.1	-1.8
20160808	10.5%	6.6	7.6	56.7	46.6	19.2	15.5	23.0
20181231	10.2%	.0	12.0	13.9	3.1	-2.5	-10.2	-7.7
20170124	10.1%	6.4	13.7	21.1	23.1	25.1	30.0	37.5
20170327	10%	-3.1	-31.6	-37.4	-36.2	-40.1	-40.1	-49.8
20191203	10%	6.1	33.7	55.3	-40.2	-52.8	-14.8	-19.3
20170727	-10.1%	-.6	-26.5	-28.8	-32.7	-27.5	-35.3	-40.8
20170504	-10.2%	-1.5	-13.2	-21.8	-20.8	-25.4	-20.2	-24.4
20181010	-10.2%	-.6	8.5	351.7	204.0	248.3	283.0	288.6
20190605	-10.2%	-3.9	-2.8	-.5	5.5	3.5	-6.7	-3.5
20160826	-10.4%	6.0	14.1	11.3	-4.5	-5.4	-1.8	14.9
20171218	-10.4%	12.3	28.2	31.5	30.4	34.2	23.9	12.8
20190917	-10.6%	2.5	7.0	-3.4	-15.0	-6.5	-13.1	-14.7
20171213	-10.9%	-14.3	-8.2	4.8	7.5	6.6	9.7	1.3
20160328	-11.2%	4.4	7.0	6.8	10.0	14.7	11.1	7.7
20190327	-11.4%	.0	.8	5.6	10.5	4.0	-3.2	-4.0
20200528	-11.5%	.8	6.2	19.2	6.9	13.1	15.4	14.6
20180116	-11.7%	-3.8	-4.3	-6.1	4.5	-38.0	-37.1	-32.4
20181224	-12.2%	.0	-17.6	-2.8	3.9	3.9	-11.5	-12.6
20181004	-12.3%	-.5	-20.0	-20.0	370.5	236.4	172.3	182.3
20200309	-12.3%	-.7	-27.4	-5.2	-14.8	-7.4	-15.6	-16.3
20200323	-12.8%	8.7	11.3	-5.2	.9	6.1	21.7	24.3
20191219	-12.9%	-7.1	67.9	59.0	62.7	67.9	41.0	39.6
20161014	-13%	-1.2	4.1	-.6	-44.5	-47.2	-32.3	-11.4
20200311	-13.4%	-13.8	-5.2	13.8	14.7	5.2	-10.3	-4.3
20180202	-13.7%	1.8	-5.4	14.1	5.1	12.7	12.3	12.7
20200312	-13.7%	-2.0	28.0	15.0	25.0	14.0	13.0	14.0
20160617	-14%	.4	2.0	-27.3	-29.1	-30.3	-25.7	-29.8
20171214	-14.2%	6.4	13.6	22.2	27.7	32.0	27.3	16.4
20161028	-15%	-1.5	6.8	28.6	56.2	56.8	62.2	62.4
20170719	-15%	-6.3	-11.3	-21.1	-41.6	-43.4	-46.5	-42.4
20190114	-15%	-5.4	-6.6	-12.9	-13.5	-9.6	-6.9	-3.9
20170428	-16.5%	-4.0	-13.4	-18.8	-26.0	-40.8	-35.9	-29.6
20160310	-18.8%	-6.1	.1	3.5	3.0	-4.6	-2.2	-2.4
20160627	-19%	-3.0	-5.4	-7.0	-.9	-6.3	-14.4	-12.0
20170801	-20.7%	.9	-2.2	-7.6	-.4	-11.1	-18.7	-12.0
20181019	-23.1%	-9.4	-32.7	-24.0	-11.6	-13.1	-17.0	-21.6
20180320	-26.1%	6.0	-2.9	-7.9	-13.8	-9.3	-2.9	-1.6
20181024	-27.7%	.0	12.9	31.4	29.2	23.4	16.4	6.4
20170331	-28.1%	-3.3	-8.2	-9.2	-12.4	-20.6	-29.9	-7.3
20180201	-30.8%	-13.8	-12.5	-5.9	-2.8	-2.2	-6.6	-6.6
20161027	-33.7%	-15.0	-19.3	3.5	35.5	35.1	38.1	38.0
20180607	-38.1%	-2.3	-7.3	-1.3	-3.3	-2.0	-7.9	-8.3
20191217	-63.6%	-2.5	-5.7	54.4	44.3	46.2	32.9	29.1
20190325	-67.8%	6.9	-3.8	-1.5	3.1	3.8	-3.1	-8.4

Table 9a. PTI average price changes following a 10% up day

Of the 1,257 trading days from 2016 to 2020, there were 52 days in which PTI was up more than 10%. This table shows the average price changes over the 52 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ 10%	2.3	7.1	7.2	10.0	9.2	9.0	-1.4

Table 9b. PTI average price changes following a 10% down day

Of the 1,257 trading days from 2016 to 2020, there were 39 days in which PTI was down more than -10%. This table shows the average price changes over the 39 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ -10%	-1.7	-1.1	11.2	17.3	13.3	9.6	10.6

Table 10. Periods when PTI moved 5% or more

In this table, we track the price movements in the 20 days after PTI had a one-day price change of at least 5%.

Date	Price Change	Price Change after 5% Move
Days after:		1	4	7	10	13	16	19
20181018	447.6%	-23.2	-48.3	-40.8	-34.9	-33.9	-32.2	-40.8
20171212	161.2%	-10.9	-27.2	-17.4	-1.3	-5.0	-2.3	-9.4
20180313	54.1%	2.7	9.6	-15.5	-20.8	-25.5	-25.7	-26.8
20191224	51%	.0	-5.3	-3.1	.0	-16.0	-16.9	-12.9
20160309	41.2%	-18.8	-15.1	-18.5	-11.7	-25.8	-18.0	-22.8
20191205	35.3%	-6.3	12.4	14.8	-64.6	-40.6	-41.2	-39.8
20171129	32.1%	.0	-2.7	-6.9	111.2	72.6	95.8	134.0
20160307	30.2%	14.9	23.8	31.9	36.3	35.8	25.7	28.9
20200428	28.8%	.9	-12.8	-8.7	8.1	4.5	5.7	-2.7
20191126	26.9%	.0	.0	57.9	65.4	77.1	-35.8	-37.9
20191120	23.8%	16.3	77.8	80.7	107.4	161.5	203.7	17.0
20200317	23.8%	16.4	4.5	13.6	3.6	2.7	3.6	20.0
20201208	23%
20190211	21.8%	-4.1	4.1	3.1	4.3	5.4	13.6	3.1
20191223	19.6%	51.0	49.7	53.0	55.0	39.6	30.2	31.5
20160817	19.4%	-2.6	-8.2	-31.8	-26.3	-21.5	-31.2	-36.4
20200804	18.1%	-6.8	-19.9	-21.6	-22.7	-26.1	-21.6	-23.3
20160503	16.7%	5.8	8.9	11.3	13.4	-1.1	31.4	45.4
20200318	16.3%	8.6	-2.3	.0	-14.8	-9.4	-4.7	9.4
20191121	16.2%	11.5	52.9	52.9	141.4	152.9	170.7	-1.9
20170518	15.9%	-9.4	7.0	.7	5.5	6.3	4.8	-8.0
20160606	15.4%	2.3	3.9	2.7	-14.4	-13.1	-38.0	-39.6
20200220	15.1%	1.0	-15.7	-20.7	-19.7	-32.3	-50.5	-35.4
20160308	14.9%	41.2	16.8	18.3	30.4	18.1	13.9	9.5
20160525	14.8%	7.2	15.0	16.7	33.2	37.8	33.6	12.0
20170427	14.8%	-16.6	-19.4	-31.4	-40.0	-47.2	-48.1	-38.8
20191106	14.8%	4.5	22.6	20.3	54.6	116.5	174.9	202.4
20201210	14.4%
20180309	14.1%	.5	71.8	25.2	22.3	16.3	13.8	11.2
20161109	13.6%	9.1	8.8	11.2	11.1	6.1	-2.6	4.3
20170524	13.5%	-4.1	-7.7	-1.1	-6.5	-8.1	-16.7	-4.3
20190910	13.5%	-1.1	10.8	2.7	2.8	-4.2	-13.3	-11.8
20160922	13.2%	1.4	3.0	3.1	-2.0	-1.3	-14.3	-18.0
20171222	13%	.0	4.5	8.0	4.2	-4.7	-12.0	-25.8
20160815	12.5%	8.3	25.9	7.7	-6.5	.7	-1.9	-15.7
20191210	12.4%	7.3	9.6	-66.2	-43.3	-43.8	-42.6	-41.8
20161103	12.3%	8.4	36.9	49.5	49.9	45.7	51.3	36.4
20171219	12.3%	6.2	14.1	19.3	23.3	18.9	8.8	.4
20180615	12.3%	-6.3	-8.2	-6.9	-12.5	-12.9	-9.4	-10.0
20200511	12.1%	2.8	-.6	.6	-7.4	-26.1	-19.3	-14.2
20181026	11.9%	2.3	12.5	14.2	17.2	2.3	-.3	-6.7
20170626	11.6%	-8.6	-2.3	1.7	.0	2.3	-4.4	-26.7
20191122	11.4%	8.0	37.1	50.9	102.9	143.4	148.6	-23.4
20170630	11.1%	3.4	.0	7.1	2.8	-16.9	-26.3	-34.0
20170104	10.9%	-1.1	.0	-8.4	-10.7	-23.3	-8.0	5.1
20200203	10.7%	-4.3	-8.6	-10.3	-7.6	7.0	-2.2	-15.7
20170601	10.6%	.2	-5.3	-6.8	-15.5	-3.0	-2.1	-1.8
20160808	10.5%	6.6	7.6	56.7	46.6	19.2	15.5	23.0
20181231	10.2%	.0	12.0	13.9	3.1	-2.5	-10.2	-7.7
20170124	10.1%	6.4	13.7	21.1	23.1	25.1	30.0	37.5
20170327	10%	-3.1	-31.6	-37.4	-36.2	-40.1	-40.1	-49.8
20191203	10%	6.1	33.7	55.3	-40.2	-52.8	-14.8	-19.3
20160322	9.9%	-4.3	-19.6	-11.2	-16.4	-7.8	-7.8	-7.9
20180212	9.8%	4.7	-3.7	3.3	3.0	3.3	12.0	36.9
20180530	9.5%	-4.3	-4.5	-41.5	-44.5	-40.9	-42.1	-41.3
20161220	9.4%	2.7	3.3	-.9	4.5	13.6	9.2	6.3
20170131	9.4%	1.6	.9	3.3	5.1	10.6	.3	.3
20171117	9.4%	3.8	.5	5.4	35.5	33.3	26.3	152.2
20181128	9.2%	-7.5	-9.7	-12.8	-6.6	-18.0	-24.6	-34.5
20191111	9.2%	8.1	6.1	36.4	90.9	142.4	166.7	258.6
20161215	9.1%	-1.2	8.7	9.4	4.9	10.7	20.2	15.6
20161110	9%	-2.1	-1.6	1.7	1.8	-5.8	-8.9	-6.7
20190603	8.9%	4.7	-6.5	-10.6	-2.8	-1.9	-4.7	-8.8
20161020	8.7%	.4	-5.2	-47.5	-43.1	-31.4	-16.7	-16.4
20170425	8.7%	5.9	-2.5	-12.1	-17.6	-24.8	-39.9	-34.9
20200324	8.6%	6.4	-2.4	-16.8	-11.2	-2.4	19.2	14.4
20200403	8.6%	2.7	8.0	23.9	26.5	15.0	15.0	45.1
20181016	8.5%	-1.0	277.0	180.1	216.2	268.1	261.8	245.5
20181101	8.5%	4.3	2.5	-2.1	-7.6	-15.6	-19.3	-19.1
20200319	8.5%	-5.0	-4.3	-12.2	-25.2	-20.1	-12.2	7.2
20160314	8.4%	2.7	-1.4	6.8	-10.3	-.8	-6.7	2.9
20161104	8.4%	5.3	37.8	37.4	40.4	40.3	34.1	23.1
20180821	8.4%	.4	.4	5.8	12.8	2.1	-1.2	-8.2
20191226	8.4%	-8.6	-6.6	-5.3	-14.8	-20.5	-19.7	-23.0
20160816	8.3%	19.4	11.8	-9.1	-11.9	-6.2	-18.3	-20.0
20200601	8.3%	.0	6.3	5.6	1.4	5.6	6.3	-.7
20200413	8.1%	6.1	8.3	-1.5	-1.5	24.2	11.4	18.9
20200506	8.1%	-3.8	13.8	10.1	11.3	2.5	-18.2	-10.7
20160524	8%	14.9	27.1	31.4	58.4	60.8	59.0	32.5
20180315	8%	3.0	-22.7	-29.2	-32.9	-37.1	-33.9	-29.2
20190730	8%	-4.3	-8.7	-16.3	-21.0	-23.1	-18.7	-20.9
20191112	8%	3.7	.9	46.7	124.3	128.0	161.7	229.9
20180220	7.9%	-.6	-1.0	-.6	7.7	31.6	109.4	123.3
20191125	7.9%	27.0	29.1	48.1	86.8	116.9	-16.4	-34.1
20200113	7.9%	-4.9	-3.9	-7.8	-16.7	-17.2	-13.2	-17.2
20170619	7.8%	2.7	3.6	3.9	16.9	13.0	21.0	16.2
20160222	7.7%	1.9	-4.7	-11.3	13.5	49.5	56.4	50.2
20180302	7.7%	.0	7.8	90.4	117.6	63.3	49.6	41.8
20190909	7.7%	13.6	18.4	15.2	20.2	8.5	-4.5	5.0
20200925	7.6%	-3.6	-1.8	-2.7	2.7	4.5	4.5	.0
20171115	7.4%	-1.2	13.4	6.4	50.6	45.3	47.1	257.0
20201102	7.4%	-3.8	1.9	6.7	-1.0	.0	1.0	-1.9
20180731	7.3%	1.2	-.4	-1.2	-6.5	-5.2	-1.6	-1.6
20191211	7.3%	-3.8	-62.9	-70.8	-47.2	-50.0	-48.8	-47.2
20201007	7.3%	.0	1.7	5.1	-3.4	-7.7	-13.7	-13.7
20160526	7.2%	3.2	6.7	25.6	25.1	21.5	7.1	8.5
20180410	7.2%	.0	1.4	1.2	2.8	6.2	7.8	3.0
20200520	7.2%	-5.6	-9.6	-26.0	-22.0	-12.4	-21.5	-16.9
20160523	7%	8.0	37.3	42.0	67.2	66.5	61.7	42.5
20170829	7%	-1.4	5.7	-.9	1.9	-11.3	-11.3	-3.8
20190102	7%	-2.0	5.8	13.3	-8.6	-10.1	-16.7	-13.8
20191231	7%	.0	1.3	-8.8	-14.9	-14.0	-17.5	-25.4
20200409	7%	.0	22.1	17.2	6.6	37.3	25.4	30.3
20190503	6.9%	-1.9	3.7	.0	4.6	-.9	-5.6	-5.6
20190326	6.8%	-11.4	-7.1	-10.0	-2.1	-5.0	-10.0	-15.0
20201111	6.8%	-1.8	2.8	-4.6	-3.7	-2.8	-5.5	12.8
20190104	6.7%	2.2	2.2	-12.9	-14.0	-19.8	-20.4	-16.8
20200515	6.7%	-4.6	-4.6	-8.6	-25.1	-21.1	-11.4	-20.6
20160809	6.6%	-1.0	13.6	43.1	34.8	.2	8.3	15.4
20171020	6.6%	-6.3	-12.5	-16.1	-24.1	-29.9	-28.1	-24.1
20190226	6.6%	-5.3	2.5	-8.3	-7.8	-5.5	-.5	-69.9
20171127	6.5%	.5	29.2	27.2	20.5	140.5	157.4	193.8
20180404	6.5%	-3.4	5.7	6.5	12.2	7.6	11.4	8.9
20190905	6.5%	-7.2	12.3	25.8	16.7	16.7	8.8	-1.5
20190913	6.5%	6.2	-1.5	-1.5	-8.2	-16.9	-15.5	-21.0
20170125	6.4%	2.4	16.9	17.2	16.7	21.3	26.2	19.8
20200325	6.4%	-6.0	-14.3	-15.0	-14.3	-.8	8.3	2.3
20200415	6.4%	-3.4	-8.7	-12.1	13.4	-2.0	2.7	21.5
20201116	6.4%
20160408	6.3%	-4.1	.0	-3.1	-6.1	-8.7	-6.4	20.5
20171215	6.3%	-10.4	1.6	21.4	16.8	20.2	11.4	5.0
20190821	6.3%	-.6	-4.2	8.6	10.0	17.2	30.3	31.6
20200717	6.3%	.7	-10.7	-5.3	-2.0	9.3	-6.0	-8.0
20171011	6.2%	-1.8	-2.7	1.8	-7.7	-10.5	-18.6	-27.3
20160615	6.1%	-3.5	-19.1	-23.2	-38.8	-41.2	-41.9	-34.8
20171220	6.1%	-4.9	13.7	9.4	12.6	4.3	-1.7	-16.5
20180102	6.1%	-3.1	-10.2	-15.3	-28.1	-32.8	-31.5	-28.8
20190828	6.1%	3.7	6.1	6.9	29.3	44.9	34.4	34.4
20190916	6.1%	-10.7	-5.5	-11.5	-18.0	-18.8	-21.0	-24.3
20191028	6.1%	.0	-2.7	1.5	15.1	23.3	26.7	103.5
20160829	6%	2.0	8.6	-5.3	-7.3	-8.7	-6.8	9.9
20170609	6%	-6.2	-14.9	-2.3	-1.4	-1.1	11.3	7.6
20180321	6%	-1.5	-7.7	-13.2	-13.3	-14.6	-5.1	-3.1
20191204	6%	35.4	41.8	51.8	-45.0	-46.8	-12.9	-18.6
20200414	6%	6.4	2.1	-7.1	19.6	9.3	13.6	25.7
20200716	6%	6.4	1.4	1.4	2.8	24.8	-2.8	-4.3
20190111	5.9%	-15.0	-19.6	-26.0	-23.9	-22.9	-23.9	-21.4
20200103	5.9%	.0	-10.0	-16.0	-15.2	-18.6	-26.4	-26.8
20170426	5.8%	14.9	-8.7	-18.2	-27.9	-35.0	-34.2	-38.0
20170921	5.8%	-1.5	2.0	6.5	6.0	4.0	4.0	13.6
20180622	5.8%	-4.5	-10.0	-10.3	-5.5	-8.4	-11.0	-10.3
20160504	5.7%	4.2	6.0	8.1	-.9	.1	33.2	42.9
20160712	5.7%	-6.9	-13.2	-17.0	-20.9	-14.3	-15.3	-4.3
20171226	5.7%	-3.0	-3.8	-1.0	-8.6	-16.8	-29.4	-29.7
20200303	5.7%	-1.8	-18.7	-39.8	-33.7	-20.5	-19.9	-26.5
20161223	5.6%	.0	-4.1	1.2	9.9	5.7	2.9	-6.4
20171018	5.6%	-7.1	-7.5	-12.4	-17.3	-23.9	-31.0	-29.2
20190509	5.6%	-2.7	1.8	2.7	-10.7	-8.9	-12.3	-10.3
20190613	5.6%	-1.0	5.0	3.0	-7.1	-4.0	-2.2	-2.0
20160901	5.5%	.9	-12.1	-13.9	-15.2	-13.4	2.1	3.6
20161108	5.5%	13.7	24.1	24.4	21.0	25.6	13.2	17.0
20190515	5.5%	.0	.0	-10.5	-11.4	-6.1	-15.2	-14.3
20180130	5.4%	-.4	-39.6	-43.9	-32.3	-37.6	-33.1	-33.3
20160706	5.3%	.4	12.6	-.8	-6.5	-9.9	-6.4	-7.6
20170828	5.3%	7.1	13.1	5.6	8.6	-.5	-3.5	-1.0
20190214	5.3%	-1.7	-2.7	-1.4	-.5	7.2	-2.7	-1.9
20161107	5.2%	5.6	28.1	28.7	33.1	33.3	23.3	19.2
20170908	5.2%	-2.7	-10.9	-13.6	-11.3	-8.1	-4.1	-4.5
20200724	5.2%	1.4	2.8	24.8	-2.8	-4.3	-.7	-5.7
20180123	5.1%	-5.4	-1.6	-28.6	-35.7	-38.8	-33.9	-35.3
20180919	5.1%	.8	5.3	-1.2	2.9	-18.9	-28.3	-21.7
20190206	5.1%	-5.5	14.7	24.5	23.2	24.8	26.0	35.8
20170313	5%	-3.5	-4.4	-16.6	-11.9	-16.1	-43.5	-45.1
20170814	5%	-1.3	-11.9	-19.4	-12.8	-4.4	-7.0	-2.6
20180215	5%	-6.8	.0	-.3	.0	8.4	32.5	110.8
20160913	-5%	1.4	5.2	23.1	23.2	26.2	25.3	24.0
20171103	-5%	1.2	-8.2	-5.9	9.4	10.0	14.7	52.4
20180914	-5%	-.9	9.3	14.2	7.1	11.6	-12.0	-22.2
20190424	-5%	-7.1	-2.7	-4.4	-6.2	-7.1	.9	.9
20200320	-5%	-12.9	-5.3	-13.6	-14.4	-13.6	.0	9.1
20170308	-5.1%	3.2	6.0	5.0	-8.5	-3.3	-7.9	-37.9
20180328	-5.1%	-.8	-7.1	-2.3	4.6	6.1	5.8	7.5
20180403	-5.1%	6.5	4.9	16.6	19.1	15.1	15.5	13.7
20190930	-5.1%	-7.5	1.8	-5.4	-7.2	-13.6	-11.2	-4.1
20160324	-5.2%	.0	-3.6	-7.3	-4.4	-.1	3.8	-4.3
20190227	-5.2%	.0	7.8	-2.2	-1.5	1.2	4.4	-66.0
20200514	-5.2%	6.7	7.9	-.6	-20.7	-13.4	-7.9	-8.5
20160909	-5.3%	2.8	1.3	3.5	22.0	23.8	24.0	17.8
20160926	-5.3%	4.3	6.9	6.1	4.9	2.6	-15.4	-6.6
20180124	-5.3%	-1.4	9.7	-34.9	-34.0	-29.0	-26.7	-26.2
20180627	-5.3%	-.7	-1.1	4.3	1.1	-1.8	-1.1	-1.1
20190115	-5.3%	.3	-1.3	-8.5	-5.4	-5.1	3.5	23.7
20190322	-5.3%	-67.8	-69.5	-69.3	-67.8	-66.3	-68.3	-70.5
20190627	-5.3%	4.1	6.1	8.8	7.7	4.5	-3.4	-3.0
20160614	-5.4%	6.2	-11.5	-10.1	-35.9	-37.5	-38.5	-34.5
20170302	-5.4%	-2.7	-15.1	-6.8	-13.1	-19.5	-25.4	-20.3
20190207	-5.5%	3.9	27.2	31.7	29.1	40.8	39.2	31.7
20201211	-5.5%
20190502	-5.6%	6.9	5.0	4.0	12.9	12.9	1.0	.0
20200521	-5.6%	-2.4	-12.0	-15.0	-13.8	-9.6	-15.0	-13.8
20180222	-5.7%	2.0	2.0	14.3	23.2	117.7	148.8	86.7
20200922	-5.7%	-7.0	-6.1	-4.3	-5.2	.0	1.7	1.7
20160719	-5.8%	1.6	-2.1	1.7	.5	6.0	23.6	41.8
20170120	-5.8%	-2.3	17.2	33.8	34.2	33.7	38.9	44.6
20170607	-5.8%	-1.2	-6.5	-7.5	2.7	15.4	1.4	16.6
20170905	-5.8%	-.9	1.9	-6.6	-9.5	-7.1	-3.8	.5
20191030	-5.8%	2.5	-6.2	11.9	37.0	33.3	93.8	196.3
20160224	-5.9%	-1.8	-4.3	-9.0	92.3	59.1	61.0	77.6
20170111	-5.9%	-2.6	-5.4	-16.6	-4.5	2.0	8.7	10.5
20170421	-5.9%	-4.5	26.3	.3	-10.1	-20.7	-28.6	-27.7
20181112	-5.9%	-4.7	-7.0	-15.3	-16.8	-23.6	-25.5	-28.0
20160311	-6%	8.5	9.8	21.1	9.7	5.8	1.7	4.9
20180214	-6%	5.1	5.7	1.0	1.0	13.2	22.0	115.5
20200326	-6%	2.4	-12.8	-7.2	-2.4	12.0	14.4	4.0
20170307	-6.1%	-5.1	4.2	-2.9	-10.1	-16.6	-10.9	-39.3
20190522	-6.1%	-6.5	-4.7	-8.2	-6.1	-5.6	-5.6	-1.9
20170612	-6.2%	-4.9	-5.9	4.4	17.4	3.2	18.6	16.7
20170720	-6.2%	-3.7	-5.6	-22.1	-39.6	-39.1	-40.7	-44.0
20171023	-6.2%	-.5	-5.7	-11.0	-18.1	-25.7	-23.8	-11.4
20180618	-6.2%	2.3	3.7	-6.0	-7.0	-5.0	-4.0	-4.7
20200225	-6.2%	-7.7	-13.3	-12.2	-26.0	-45.9	-29.3	-36.5
20200723	-6.2%	5.2	6.0	11.2	11.2	-1.5	1.5	.7
20181220	-6.3%	-1.0	-21.2	-21.2	-17.3	-10.7	-4.4	-22.9
20191206	-6.3%	-.6	15.5	-55.5	-64.9	-36.6	-40.0	-38.6
20200811	-6.3%	2.3	6.1	.8	4.5	2.3	.0	-.8
20180323	-6.4%	-.6	-5.8	-11.7	-7.1	-.6	.8	.6
20180725	-6.4%	-.4	-4.6	-8.5	-4.2	-3.8	-10.4	-6.5
20200124	-6.4%	-2.9	-3.4	1.1	-3.4	-5.1	-2.3	13.1
20160705	-6.5%	5.3	12.2	6.0	-3.1	-.4	-2.9	-.6
20170516	-6.5%	-6.5	1.3	11.2	7.0	14.6	8.4	6.5
20170517	-6.5%	15.9	9.2	16.8	10.6	19.6	14.5	8.4
20180516	-6.5%	-1.6	-3.3	-7.8	-1.0	-5.1	-40.7	-46.4
20190523	-6.5%	2.0	1.0	7.0	-3.4	-2.3	.0	6.0
20200331	-6.5%	-4.4	1.8	7.0	22.8	25.4	14.0	14.0
20170119	-6.6%	-5.8	7.9	15.2	22.7	24.8	26.8	31.8
20200108	-6.6%	-1.0	-7.6	-6.7	-10.5	-19.0	-19.5	-15.7
20180208	-6.7%	5.0	13.4	11.1	12.3	14.2	28.4	32.2
20180216	-6.7%	.0	1.0	2.8	15.5	19.0	42.8	144.1
20190122	-6.7%	.0	-.7	3.8	6.9	10.3	35.1	39.9
20200501	-6.7%	-4.6	.0	18.3	14.4	15.7	6.5	-15.0
20160713	-6.8%	-4.0	-12.3	-9.8	-12.1	-10.0	-10.4	9.5
20180108	-6.8%	-.4	-9.4	-23.0	-23.4	-24.8	-16.4	-50.4
20200805	-6.8%	-9.1	-19.5	-17.1	-17.7	-17.1	-15.9	-18.9
20160212	-6.9%	.0	-8.6	5.2	-1.6	-8.4	17.2	54.4
20160216	-6.9%	.0	11.0	4.3	1.7	-3.3	104.3	69.0
20171107	-6.9%	-1.9	.6	6.2	21.9	14.4	61.9	56.2
20200923	-6.9%	-2.8	3.7	.0	9.3	6.5	11.2	9.3
20171019	-7%	6.7	-3.3	-6.2	-14.8	-23.8	-22.4	-18.1
20181217	-7%	.0	-8.9	-27.5	-27.5	-23.9	-17.9	-12.1
20190425	-7%	2.9	1.9	1.0	6.7	2.9	7.6	1.9
20191105	-7%	14.9	30.2	39.5	43.4	130.2	215.7	215.7
20191220	-7%	19.7	96.0	83.1	85.5	68.7	63.9	55.0
20190906	-7.1%	7.8	19.8	21.1	28.0	19.9	11.2	10.1
20170221	-7.2%	-2.1	-2.2	-7.9	-17.6	-18.3	-18.1	-19.7
20180814	-7.2%	-2.6	-3.4	5.2	6.9	15.9	15.5	5.6
20170510	-7.3%	-4.4	-15.8	-17.4	-2.4	-8.1	-3.7	-3.1
20180727	-7.3%	-3.7	4.2	4.2	-.4	-5.8	-6.7	1.7
20200611	-7.3%	2.2	3.6	7.2	5.0	-1.4	-1.4	.0
20170731	-7.4%	-20.8	-20.1	-24.3	-20.1	-28.2	-38.4	-33.8
20190729	-7.4%	8.0	1.1	-.5	-13.8	-20.9	-17.4	-14.8
20190815	-7.4%	5.0	10.9	7.9	17.1	19.7	20.6	45.9
20191001	-7.4%	3.1	4.9	-2.0	-1.5	-6.6	-.3	10.0
20160518	-7.5%	-1.0	9.1	38.7	43.4	68.8	68.1	63.3
20181129	-7.5%	.6	-2.4	-5.6	-3.2	-11.3	-19.2	-35.7
20170321	-7.7%	-3.4	2.1	-2.8	-34.5	-36.3	-36.5	-36.6
20180612	-7.7%	2.6	9.1	6.9	8.4	1.8	1.5	5.5
20200226	-7.7%	-7.8	-.6	-7.8	-30.5	-46.8	-16.8	-25.1
20200227	-7.7%	1.3	5.8	-12.3	-35.1	-28.6	-14.3	-13.6
20180906	-7.8%	.4	-2.8	-9.7	-.4	4.0	-2.4	1.6
20170821	-7.9%	-4.9	2.2	13.6	21.7	14.1	17.4	2.2
20200807	-8%	2.9	.7	-.7	-5.1	.7	-1.5	-6.6
20200527	-8.1%	-11.6	-3.4	2.7	2.0	-2.0	2.0	2.7
20190306	-8.3%	-2.0	-1.5	1.0	6.4	-67.8	-69.5	-69.3
20170515	-8.4%	-6.6	-8.3	8.3	2.0	6.8	7.6	6.1
20170627	-8.5%	-1.8	10.5	6.8	14.4	9.8	-11.2	-21.2
20160825	-8.6%	-10.4	-3.1	3.2	-9.5	-16.4	-12.8	-9.1
20191227	-8.6%	-4.5	-2.2	.9	-15.2	-16.1	-12.1	-16.1
20170816	-8.9%	.0	-14.2	-7.8	2.5	9.8	2.9	5.9
20180927	-8.9%	-1.2	2.9	-18.9	-28.3	-21.7	225.8	119.3
20190808	-9%	-2.2	-5.5	-7.2	-3.5	-7.0	5.4	6.7
20181127	-9.1%	9.2	3.0	-.2	-1.2	-3.6	-12.0	-28.5
20200110	-9.1%	7.9	2.1	1.1	-7.4	-7.4	-2.1	-8.5
20200806	-9.1%	-8.1	-9.4	-6.0	-10.7	-7.4	-9.4	-11.4
20160624	-9.2%	-19.1	-20.6	-28.5	-22.3	-21.0	-26.4	-29.6
20160824	-9.2%	-8.6	-11.4	-5.7	-17.8	-19.6	-20.7	-19.1
20181226	-9.2%	-9.3	.0	12.0	13.9	3.1	-2.5	-10.2
20181227	-9.2%	.0	18.0	26.2	26.2	7.5	6.1	-1.0
20170419	-9.3%	-1.8	-4.0	-2.6	-6.0	-20.0	-30.0	-38.3
20170519	-9.3%	3.2	13.3	9.0	16.8	10.4	8.5	-1.6
20200316	-9.3%	23.9	48.6	49.8	37.4	17.1	25.0	37.4
20181022	-9.4%	2.8	-16.8	-13.8	-3.8	-.1	-12.6	-14.7
20181008	-9.5%	-1.0	-10.6	-4.5	263.6	170.2	205.1	255.1
20160907	-9.7%	.6	-7.0	-3.0	1.1	9.9	12.9	14.3
20201209	-9.7%
20171009	-9.9%	4.0	4.0	13.6	5.5	-1.5	-5.5	-14.6
20170727	-10.1%	-.6	-26.5	-28.8	-32.7	-27.5	-35.3	-40.8
20170504	-10.2%	-1.5	-13.2	-21.8	-20.8	-25.4	-20.2	-24.4
20181010	-10.2%	-.6	8.5	351.7	204.0	248.3	283.0	288.6
20190605	-10.2%	-3.9	-2.8	-.5	5.5	3.5	-6.7	-3.5
20160826	-10.4%	6.0	14.1	11.3	-4.5	-5.4	-1.8	14.9
20171218	-10.4%	12.3	28.2	31.5	30.4	34.2	23.9	12.8
20190917	-10.6%	2.5	7.0	-3.4	-15.0	-6.5	-13.1	-14.7
20171213	-10.9%	-14.3	-8.2	4.8	7.5	6.6	9.7	1.3
20160328	-11.2%	4.4	7.0	6.8	10.0	14.7	11.1	7.7
20190327	-11.4%	.0	.8	5.6	10.5	4.0	-3.2	-4.0
20200528	-11.5%	.8	6.2	19.2	6.9	13.1	15.4	14.6
20180116	-11.7%	-3.8	-4.3	-6.1	4.5	-38.0	-37.1	-32.4
20181224	-12.2%	.0	-17.6	-2.8	3.9	3.9	-11.5	-12.6
20181004	-12.3%	-.5	-20.0	-20.0	370.5	236.4	172.3	182.3
20200309	-12.3%	-.7	-27.4	-5.2	-14.8	-7.4	-15.6	-16.3
20200323	-12.8%	8.7	11.3	-5.2	.9	6.1	21.7	24.3
20191219	-12.9%	-7.1	67.9	59.0	62.7	67.9	41.0	39.6
20161014	-13%	-1.2	4.1	-.6	-44.5	-47.2	-32.3	-11.4
20200311	-13.4%	-13.8	-5.2	13.8	14.7	5.2	-10.3	-4.3
20180202	-13.7%	1.8	-5.4	14.1	5.1	12.7	12.3	12.7
20200312	-13.7%	-2.0	28.0	15.0	25.0	14.0	13.0	14.0
20160617	-14%	.4	2.0	-27.3	-29.1	-30.3	-25.7	-29.8
20171214	-14.2%	6.4	13.6	22.2	27.7	32.0	27.3	16.4
20161028	-15%	-1.5	6.8	28.6	56.2	56.8	62.2	62.4
20170719	-15%	-6.3	-11.3	-21.1	-41.6	-43.4	-46.5	-42.4
20190114	-15%	-5.4	-6.6	-12.9	-13.5	-9.6	-6.9	-3.9
20170428	-16.5%	-4.0	-13.4	-18.8	-26.0	-40.8	-35.9	-29.6
20160310	-18.8%	-6.1	.1	3.5	3.0	-4.6	-2.2	-2.4
20160627	-19%	-3.0	-5.4	-7.0	-.9	-6.3	-14.4	-12.0
20170801	-20.7%	.9	-2.2	-7.6	-.4	-11.1	-18.7	-12.0
20181019	-23.1%	-9.4	-32.7	-24.0	-11.6	-13.1	-17.0	-21.6
20180320	-26.1%	6.0	-2.9	-7.9	-13.8	-9.3	-2.9	-1.6
20181024	-27.7%	.0	12.9	31.4	29.2	23.4	16.4	6.4
20170331	-28.1%	-3.3	-8.2	-9.2	-12.4	-20.6	-29.9	-7.3
20180201	-30.8%	-13.8	-12.5	-5.9	-2.8	-2.2	-6.6	-6.6
20161027	-33.7%	-15.0	-19.3	3.5	35.5	35.1	38.1	38.0
20180607	-38.1%	-2.3	-7.3	-1.3	-3.3	-2.0	-7.9	-8.3
20191217	-63.6%	-2.5	-5.7	54.4	44.3	46.2	32.9	29.1
20190325	-67.8%	6.9	-3.8	-1.5	3.1	3.8	-3.1	-8.4

Table 10a. PTI average price changes following a 5% up day

Of the 1,257 trading days from 2016 to 2020, there were 165 days in which PTI was up more than 5%. This table shows the average price changes over the 165 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ 5%	.9	4.4	3.5	5.6	6.9	6.4	7.1

Table 10b. PTI average price changes following a 5% down day

Of the 1,257 trading days from 2016 to 2020, there were 159 days in which PTI was down more than -5%. This table shows the average price changes over the 159 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ -5%	-1.0	.2	2.7	6.0	4.4	7.8	8.4

28 stocks with statistics: AAPL, AMD, AMZN, APPN, AZN, BA, BAC, BIIB, CRM, CSCO, CX, DIS, FB, GE, GM, GOOG, IBM, INTC, JPM, JPM, MSFT, MU, NFLX, O, QQQ, SPY, T, TSLA,

Also see: VIX price movement study.