Statistics of Price Movements of Cogent Biosciences Inc (COGT)

The price movements of Cogent Biosciences Inc (ticker COGT) 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 COGT 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 COGT had a big price move
• Table 11. Statistics of daily price changes in the 20 days after COGT moved 5% with twice the 30-day average volume

The statistics are calculated using COGT's price data across 450 trading days from 2016 to 2020.

Table 1. Statistics of COGT 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 450 trading days, 40.5% of the time (182 days), COGT closed above the previous day's closing price. 45.0% of the time (202 days), it closed below the previous day's closing price. 14.5% of the time (65 days), it did not change.

Also see: VIX price movement study.

COGT Price Change (%)	Number of Days	% of Total Sessions
237 – 238%	1	0.22%
30 – 31%	1	0.22%
23 – 24%	1	0.22%
21 – 22%	1	0.22%
17 – 18%	1	0.22%
16 – 17%	1	0.22%
13 – 14%	1	0.22%
12 – 13%	1	0.22%
10 – 11%	3	0.67%
9 – 10%	1	0.22%
8 – 9%	3	0.67%
7 – 8%	4	0.89%
6 – 7%	11	2.45%
5 – 6%	13	2.90%
4 – 5%	19	4.23%
3 – 4%	26	5.79%
2 – 3%	37	8.24%
1 – 2%	49	10.91%
0 – 1%	8	1.78%
0%	65	14.48%
0 – -1%	21	4.68%
-1 – -2%	53	11.80%
-2 – -3%	36	8.02%
-3 – -4%	28	6.24%
-4 – -5%	26	5.79%
-5 – -6%	12	2.67%
-6 – -7%	7	1.56%
-7 – -8%	3	0.67%
-8 – -9%	6	1.34%
-9 – -10%	4	0.89%
-10 – -11%	1	0.22%
-11 – -12%	1	0.22%
-13 – -14%	1	0.22%
-20 – -21%	1	0.22%
-21 – -22%	1	0.22%
-23 – -24%	1	0.22%

Table 2. Statistics of COGT: 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 COGT.

40.2% of the time (181 days), COGT closed above the opening price. 44.7% of the time (201 days), it closed below the opening price. 15.1% of the time (68 days), it closed where it started.

Closing - Open (%)	Number of Days	% of Total Sessions
29 – 30%	1	0.22%
24 – 25%	1	0.22%
22 – 23%	1	0.22%
20 – 21%	1	0.22%
19 – 20%	1	0.22%
14 – 15%	1	0.22%
13 – 14%	1	0.22%
12 – 13%	2	0.44%
10 – 11%	2	0.44%
9 – 10%	2	0.44%
8 – 9%	2	0.44%
7 – 8%	2	0.44%
6 – 7%	8	1.78%
5 – 6%	16	3.56%
4 – 5%	24	5.33%
3 – 4%	17	3.78%
2 – 3%	33	7.33%
1 – 2%	54	12.00%
0 – 1%	12	2.67%
0%	68	15.11%
0 – -1%	8	1.78%
-1 – -2%	53	11.78%
-2 – -3%	39	8.67%
-3 – -4%	32	7.11%
-4 – -5%	18	4.00%
-5 – -6%	23	5.11%
-6 – -7%	5	1.11%
-7 – -8%	6	1.33%
-8 – -9%	5	1.11%
-9 – -10%	4	0.89%
-11 – -12%	1	0.22%
-12 – -13%	4	0.89%
-13 – -14%	2	0.44%
-20 – -21%	1	0.22%

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

In the past 450 trading days, COGT opened more than 5% higher than the previous day's closing price 13 times. Of these days, 30.8% (4 days) had closing prices above the opening price, and 69.2% (9 days) had closing prices below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
20 – 21%	1	7.69%
8 – 9%	1	7.69%
4 – 5%	1	7.69%
2 – 3%	1	7.69%
0 – -1%	1	7.69%
-5 – -6%	1	7.69%
-7 – -8%	1	7.69%
-8 – -9%	2	15.38%
-9 – -10%	1	7.69%
-11 – -12%	1	7.69%
-12 – -13%	1	7.69%
-13 – -14%	1	7.69%

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

On 1 days, COGT opened 4–5% higher than the previous day's closing price. Of these days, 0.0% (0 days) had closing prices above the opening price, and 100.0% (1 days) had closing prices below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
-4 – -5%	1	100.00%

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

12 times COGT opened 3 – 4% higher than the previous day's closing price. Among these days, 33.3% (4 days) closed above the opening price, 58.3% (7 days) closed below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
19 – 20%	1	8.33%
6 – 7%	1	8.33%
5 – 6%	1	8.33%
1 – 2%	1	8.33%
0%	1	8.33%
0 – -1%	1	8.33%
-1 – -2%	1	8.33%
-3 – -4%	3	25.00%
-4 – -5%	2	16.67%

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

21 times COGT opened 2 – 3% higher than the previous day's closing price. Among these days, 33.3% (7 days) closed above the opening price, 57.1% (12 days) closed below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
14 – 15%	1	4.76%
9 – 10%	1	4.76%
5 – 6%	1	4.76%
1 – 2%	4	19.05%
0%	2	9.52%
0 – -1%	1	4.76%
-1 – -2%	3	14.29%
-2 – -3%	1	4.76%
-3 – -4%	2	9.52%
-4 – -5%	1	4.76%
-5 – -6%	2	9.52%
-6 – -7%	1	4.76%
-12 – -13%	1	4.76%

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

86 times COGT opened 1 – 2% higher than the previous day's closing price. Among these days, 40.7% (35 days) closed above the opening price, 48.8% (42 days) closed below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
6 – 7%	1	1.16%
5 – 6%	3	3.49%
4 – 5%	9	10.47%
3 – 4%	4	4.65%
2 – 3%	4	4.65%
1 – 2%	13	15.12%
0 – 1%	1	1.16%
0%	9	10.47%
0 – -1%	2	2.33%
-1 – -2%	11	12.79%
-2 – -3%	7	8.14%
-3 – -4%	9	10.47%
-4 – -5%	3	3.49%
-5 – -6%	7	8.14%
-7 – -8%	1	1.16%
-9 – -10%	1	1.16%
-12 – -13%	1	1.16%

Table 8. Periods when COGT moved 15% or more

In this table, we track the price movements in the 20 days after COGT 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
20201109	237.2%	10.3	7.1	.1	-2.5	-5.1	4.2	29.5
20161107	30.5%	-3.9	-2.6	-10.4	-11.7	-10.4	-6.5	-18.2
20180315	23.7%	-2.7	-6.8	-8.2	-31.5	-34.2	-35.6	-31.5
20170324	21.1%	-2.3	9.3	7.0	16.3	30.2	16.3	23.3
20201013	17%	-9.7	-4.5	-10.4	11.1	6.6	283.7	272.3
20201202	16.6%
20180327	-20.8%	-1.9	-11.3	-5.7	-13.2	3.8	-4.5	9.1
20170605	-21.6%	-1.1	-4.6	2.3	8.0	8.0	16.1	16.1
20161104	-23.3%	30.5	28.8	13.6	18.6	16.9	16.9	10.2

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

Of the 450 trading days from 2016 to 2020, there were 6 days in which COGT was up more than 15%. This table shows the average price changes over the 6 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ 15%	-.6	.8	-6.0	-3.1	-2.2	43.7	45.9

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

Of the 450 trading days from 2016 to 2020, there were 3 days in which COGT was down more than -15%. This table shows the average price changes over the 3 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ -15%	9.2	4.3	3.4	4.5	9.6	9.5	11.8

Table 9. Periods when COGT moved 10% or more

In this table, we track the price movements in the 20 days after COGT 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
20201109	237.2%	10.3	7.1	.1	-2.5	-5.1	4.2	29.5
20161107	30.5%	-3.9	-2.6	-10.4	-11.7	-10.4	-6.5	-18.2
20180315	23.7%	-2.7	-6.8	-8.2	-31.5	-34.2	-35.6	-31.5
20170324	21.1%	-2.3	9.3	7.0	16.3	30.2	16.3	23.3
20201013	17%	-9.7	-4.5	-10.4	11.1	6.6	283.7	272.3
20201202	16.6%
20170707	13.8%	-7.5	-2.8	-8.4	-11.2	-12.1	-17.8	-15.0
20171121	12.1%	-1.6	-5.4	-7.6	-13.0	-14.1	-18.5	-14.1
20180305	10.3%	-5.1	6.0	.9	18.8	16.2	-9.4	-14.5
20201110	10.3%	4.5	-9.6	-11.1	-15.2	-11.4	10.1	15.1
20180412	10%	.0	-8.0	5.1	-6.9	-2.5	6.2	3.6
20170417	-10.7%	2.0	6.0	8.0	3.0	4.0	11.0	15.0
20180111	-11%	1.0	-8.2	-10.3	-11.3	-19.6	-24.7	-24.7
20180212	-13%	5.0	6.7	6.7	.0	-13.3	-7.5	3.3
20180327	-20.8%	-1.9	-11.3	-5.7	-13.2	3.8	-4.5	9.1
20170605	-21.6%	-1.1	-4.6	2.3	8.0	8.0	16.1	16.1
20161104	-23.3%	30.5	28.8	13.6	18.6	16.9	16.9	10.2

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

Of the 450 trading days from 2016 to 2020, there were 11 days in which COGT was up more than 10%. This table shows the average price changes over the 11 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ 10%	-1.2	-1.4	-5.2	-4.2	-3.4	21.2	22.8

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

Of the 450 trading days from 2016 to 2020, there were 6 days in which COGT was down more than -10%. This table shows the average price changes over the 6 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ -10%	5.9	2.9	2.4	.9	-.0	1.2	4.8

Table 10. Periods when COGT moved 5% or more

In this table, we track the price movements in the 20 days after COGT 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
20201109	237.2%	10.3	7.1	.1	-2.5	-5.1	4.2	29.5
20161107	30.5%	-3.9	-2.6	-10.4	-11.7	-10.4	-6.5	-18.2
20180315	23.7%	-2.7	-6.8	-8.2	-31.5	-34.2	-35.6	-31.5
20170324	21.1%	-2.3	9.3	7.0	16.3	30.2	16.3	23.3
20201013	17%	-9.7	-4.5	-10.4	11.1	6.6	283.7	272.3
20201202	16.6%
20170707	13.8%	-7.5	-2.8	-8.4	-11.2	-12.1	-17.8	-15.0
20171121	12.1%	-1.6	-5.4	-7.6	-13.0	-14.1	-18.5	-14.1
20180305	10.3%	-5.1	6.0	.9	18.8	16.2	-9.4	-14.5
20201110	10.3%	4.5	-9.6	-11.1	-15.2	-11.4	10.1	15.1
20180412	10%	.0	-8.0	5.1	-6.9	-2.5	6.2	3.6
20201027	9.9%	-8.1	-7.2	261.1	212.1	207.2	192.8	206.2
20170814	8.7%	-3.0	-6.1	-8.1	-6.1	-1.0	8.1	8.1
20180411	8.6%	10.0	12.4	-1.2	6.4	10.0	11.6	18.0
20201030	8%	-3.2	276.3	225.3	220.1	205.2	219.2	296.4
20201019	7.8%	-.4	1.1	6.9	8.0	319.9	263.0	257.2
20201023	7.7%	4.7	2.2	260.2	295.0	248.0	267.0	241.9
20180108	7.4%	1.0	-3.0	-11.9	-13.9	-14.9	-22.8	-27.7
20161027	7.3%	5.5	.0	5.5	4.1	-8.2	-4.1	-5.5
20170410	6.9%	2.8	4.7	.0	.9	-.9	-4.7	-1.9
20170712	6.9%	-3.7	-9.3	-12.0	-13.0	-18.5	-15.7	-15.7
20170905	6.9%	2.8	-4.7	-7.5	-5.6	-7.5	-7.5	-8.4
20180110	6.8%	-11.0	-17.9	-15.6	-22.0	-27.5	-33.0	-34.9
20180309	6.8%	-.8	17.7	6.5	4.8	-16.1	-24.2	-19.4
20201201	6.7%
20180221	6.6%	-9.4	-10.9	-17.2	-10.9	-3.9	14.1	3.1
20170407	6.3%	7.0	12.0	2.0	6.0	8.0	3.0	4.0
20180214	6.3%	-9.0	-10.4	-9.0	-22.4	-12.7	-13.4	-10.4
20161215	6.2%	2.9	7.4	4.4	5.9	4.4	13.2	16.2
20171227	6.1%	2.3	8.1	9.3	26.7	14.0	7.0	-2.3
20170209	5.8%	4.2	1.4	2.8	-5.6	1.4	2.8	1.4
20170313	5.7%	-1.4	6.8	-6.8	15.1	28.8	26.0	37.0
20180102	5.6%	2.2	8.6	4.3	-3.8	-1.1	-8.6	-15.1
20170315	5.5%	1.3	-10.5	13.2	19.7	18.4	23.7	44.7
20161028	5.4%	-1.3	.0	-3.9	-2.6	-10.4	-11.7	-10.4
20161103	5.4%	-23.4	1.3	-9.1	-10.4	-11.7	-9.1	-14.3
20161109	5.4%	-2.6	-14.1	-10.3	-11.5	-11.5	-16.7	-17.9
20170106	5.4%	-3.9	1.3	5.2	1.3	2.6	.0	.0
20170824	5.4%	.0	2.1	4.2	17.7	.0	-1.0	9.4
20170111	5.3%	-1.3	2.5	-1.3	.0	-2.5	-2.5	-10.1
20170623	5.3%	3.0	-1.0	1.0	8.1	9.1	1.0	-4.0
20170113	5.1%	.0	-6.1	-7.3	-3.7	-7.3	-14.6	-12.2
20180223	5.1%	-1.6	-14.8	-9.0	1.6	-3.3	13.9	11.5
20180105	-5%	7.4	3.2	-4.8	-2.1	-9.6	-16.0	-22.3
20180320	-5%	3.0	1.5	-24.2	-27.3	-28.8	-24.2	-13.9
20170320	-5.1%	-8.1	16.2	23.0	21.6	27.0	48.6	51.4
20180306	-5.1%	2.7	10.8	31.5	18.9	17.1	-6.3	-15.3
20161101	-5.2%	1.4	6.9	5.6	-6.9	-2.8	-4.2	-4.2
20170908	-5.3%	-4.7	-7.5	-5.6	-7.5	-7.5	-8.4	-2.8
20170222	-5.4%	-1.4	5.8	7.2	5.8	5.8	11.6	-1.4
20170310	-5.4%	5.8	11.6	-1.4	24.6	31.9	30.4	36.2
20180122	-5.4%	-3.4	-4.6	-16.1	-18.4	-21.8	-27.6	-26.4
20170912	-5.8%	2.1	3.1	6.2	1.0	2.1	6.2	7.3
20180402	-5.9%	2.1	.0	6.4	20.9	5.5	11.1	17.4
20180406	-5.9%	-4.3	17.0	19.6	5.1	13.2	17.0	18.7
20180220	-6.2%	6.7	.0	-13.3	-7.5	3.3	-1.7	15.8
20180131	-6.4%	.0	-2.7	-5.5	-8.2	-12.3	-20.5	-21.9
20161114	-6.6%	-4.3	.0	-1.4	-1.4	-7.1	-8.6	-4.3
20170206	-6.6%	1.4	7.1	4.3	5.7	-2.9	4.3	5.7
20161222	-6.8%	4.4	5.9	1.5	7.4	10.3	20.6	16.2
20180208	-6.8%	1.5	-1.5	-5.9	-14.7	-16.2	-22.1	-16.2
20201116	-6.8%
20170710	-7.4%	2.0	1.0	-2.0	-5.1	-9.1	-10.1	-9.1
20161004	-7.7%	-2.4	-9.7	-18.2	-24.9	-22.7	-27.0	-18.5
20161017	-7.9%	4.5	7.5	1.5	13.4	14.9	10.4	11.9
20201028	-8%	-3.4	240.7	273.6	229.2	247.1	223.4	232.5
20170321	-8.1%	.0	23.5	38.2	35.3	47.1	64.7	47.1
20161130	-8.3%	-1.5	-3.0	1.5	-3.0	9.1	3.0	7.6
20180116	-8.6%	-.6	-2.8	-3.9	-12.8	-18.4	-18.4	-33.0
20180228	-8.7%	.0	6.7	19.2	13.5	33.7	30.8	1.9
20180215	-8.9%	4.9	4.9	-1.6	-14.8	-9.0	1.6	-3.3
20180222	-9.3%	5.2	-10.3	.9	.0	3.4	22.4	17.2
20201014	-9.6%	1.9	5.4	6.9	13.0	14.2	344.1	283.9
20201008	-9.9%	-2.0	3.2	9.1	2.4	26.9	21.7	338.3
20201209	-9.9%
20170417	-10.7%	2.0	6.0	8.0	3.0	4.0	11.0	15.0
20180111	-11%	1.0	-8.2	-10.3	-11.3	-19.6	-24.7	-24.7
20180212	-13%	5.0	6.7	6.7	.0	-13.3	-7.5	3.3
20180327	-20.8%	-1.9	-11.3	-5.7	-13.2	3.8	-4.5	9.1
20170605	-21.6%	-1.1	-4.6	2.3	8.0	8.0	16.1	16.1
20161104	-23.3%	30.5	28.8	13.6	18.6	16.9	16.9	10.2

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

Of the 450 trading days from 2016 to 2020, there were 43 days in which COGT was up more than 5%. This table shows the average price changes over the 43 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ 5%	-.7	6.0	14.6	15.7	20.5	25.8	27.8

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

Of the 450 trading days from 2016 to 2020, there were 38 days in which COGT was down more than -5%. This table shows the average price changes over the 38 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ -5%	1.4	9.5	9.5	7.0	9.8	18.7	25.0

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Also see: VIX price movement study.