Statistics of Price Movements of Apollo Endosurgery Inc (APEN)

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

The statistics are calculated using APEN's price data across 1,026 trading days from 2016 to 2020.

Table 1. Statistics of APEN 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 1,026 trading days, 43.0% of the time (441 days), APEN closed above the previous day's closing price. 49.0% of the time (502 days), it closed below the previous day's closing price. 8.0% of the time (82 days), it did not change.

Also see: VIX price movement study.

APEN Price Change (%) Number of Days % of Total Sessions
73 – 74% 1
0.10%
54 – 55% 1
0.10%
41 – 42% 1
0.10%
32 – 33% 1
0.10%
24 – 25% 1
0.10%
21 – 22% 1
0.10%
20 – 21% 1
0.10%
19 – 20% 1
0.10%
18 – 19% 1
0.10%
17 – 18% 2
0.20%
15 – 16% 1
0.10%
14 – 15% 2
0.20%
13 – 14% 4
0.39%
12 – 13% 4
0.39%
11 – 12% 3
0.29%
10 – 11% 4
0.39%
9 – 10% 7
0.68%
8 – 9% 9
0.88%
7 – 8% 18
1.76%
6 – 7% 29
2.83%
5 – 6% 32
3.12%
4 – 5% 34
3.32%
3 – 4% 56
5.46%
2 – 3% 54
5.27%
1 – 2% 78
7.61%
0 – 1% 95
9.27%
0% 82
8.00%
0 – -1% 113
11.02%
-1 – -2% 96
9.37%
-2 – -3% 74
7.22%
-3 – -4% 65
6.34%
-4 – -5% 40
3.90%
-5 – -6% 30
2.93%
-6 – -7% 24
2.34%
-7 – -8% 14
1.37%
-8 – -9% 14
1.37%
-9 – -10% 6
0.59%
-10 – -11% 2
0.20%
-11 – -12% 6
0.59%
-12 – -13% 3
0.29%
-13 – -14% 3
0.29%
-14 – -15% 4
0.39%
-15 – -16% 1
0.10%
-16 – -17% 1
0.10%
-18 – -19% 1
0.10%
-19 – -20% 1
0.10%
-22 – -23% 1
0.10%
-25 – -26% 1
0.10%
-27 – -28% 1
0.10%
-31 – -32% 1
0.10%

Table 2. Statistics of APEN: 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 APEN.

44.4% of the time (456 days), APEN closed above the opening price. 47.8% of the time (490 days), it closed below the opening price. 7.8% of the time (80 days), it closed where it started.

Closing - Open (%) Number of Days % of Total Sessions
55 – 56% 1
0.10%
46 – 47% 1
0.10%
24 – 25% 1
0.10%
21 – 22% 1
0.10%
19 – 20% 1
0.10%
18 – 19% 1
0.10%
15 – 16% 2
0.19%
14 – 15% 9
0.88%
12 – 13% 2
0.19%
11 – 12% 2
0.19%
10 – 11% 4
0.39%
9 – 10% 9
0.88%
8 – 9% 11
1.07%
7 – 8% 15
1.46%
6 – 7% 26
2.53%
5 – 6% 26
2.53%
4 – 5% 30
2.92%
3 – 4% 44
4.29%
2 – 3% 69
6.73%
1 – 2% 93
9.06%
0 – 1% 108
10.53%
0% 80
7.80%
0 – -1% 103
10.04%
-1 – -2% 104
10.14%
-2 – -3% 72
7.02%
-3 – -4% 55
5.36%
-4 – -5% 41
4.00%
-5 – -6% 32
3.12%
-6 – -7% 25
2.44%
-7 – -8% 11
1.07%
-8 – -9% 10
0.97%
-9 – -10% 5
0.49%
-10 – -11% 7
0.68%
-11 – -12% 4
0.39%
-12 – -13% 1
0.10%
-13 – -14% 7
0.68%
-14 – -15% 1
0.10%
-15 – -16% 2
0.19%
-16 – -17% 2
0.19%
-17 – -18% 2
0.19%
-18 – -19% 1
0.10%
-19 – -20% 1
0.10%
-20 – -21% 1
0.10%
-23 – -24% 1
0.10%
-27 – -28% 1
0.10%
-39 – -40% 1
0.10%

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

In the past 1,026 trading days, APEN opened more than 5% higher than the previous day's closing price 46 times. Of these days, 28.3% (13 days) had closing prices above the opening price, and 67.4% (31 days) had closing prices below the opening price.

Closing - Open (%) Number of Days % of Total Sessions
55 – 56% 1
2.17%
46 – 47% 1
2.17%
10 – 11% 1
2.17%
5 – 6% 2
4.35%
2 – 3% 3
6.52%
1 – 2% 2
4.35%
0 – 1% 3
6.52%
0% 2
4.35%
0 – -1% 2
4.35%
-1 – -2% 3
6.52%
-2 – -3% 3
6.52%
-3 – -4% 3
6.52%
-4 – -5% 3
6.52%
-5 – -6% 3
6.52%
-6 – -7% 1
2.17%
-7 – -8% 1
2.17%
-8 – -9% 1
2.17%
-10 – -11% 2
4.35%
-11 – -12% 2
4.35%
-13 – -14% 3
6.52%
-14 – -15% 1
2.17%
-15 – -16% 1
2.17%
-19 – -20% 1
2.17%
-23 – -24% 1
2.17%

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

On 29 days, APEN opened 4–5% higher than the previous day's closing price. Of these days, 34.5% (10 days) had closing prices above the opening price, and 62.1% (18 days) had closing prices below the opening price.

Closing - Open (%) Number of Days % of Total Sessions
12 – 13% 1
3.45%
7 – 8% 1
3.45%
2 – 3% 5
17.24%
0 – 1% 3
10.34%
0% 1
3.45%
0 – -1% 2
6.90%
-1 – -2% 1
3.45%
-2 – -3% 4
13.79%
-3 – -4% 2
6.90%
-4 – -5% 6
20.69%
-5 – -6% 1
3.45%
-10 – -11% 1
3.45%
-17 – -18% 1
3.45%

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

39 times APEN opened 3 – 4% higher than the previous day's closing price. Among these days, 23.1% (9 days) closed above the opening price, 71.8% (28 days) closed below the opening price.

Closing - Open (%) Number of Days % of Total Sessions
15 – 16% 1
2.56%
9 – 10% 1
2.56%
4 – 5% 1
2.56%
2 – 3% 4
10.26%
1 – 2% 2
5.13%
0% 2
5.13%
0 – -1% 4
10.26%
-2 – -3% 7
17.95%
-3 – -4% 2
5.13%
-4 – -5% 2
5.13%
-5 – -6% 4
10.26%
-6 – -7% 6
15.38%
-7 – -8% 1
2.56%
-13 – -14% 1
2.56%
-16 – -17% 1
2.56%

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

62 times APEN opened 2 – 3% higher than the previous day's closing price. Among these days, 56.5% (35 days) closed above the opening price, 40.3% (25 days) closed below the opening price.

Closing - Open (%) Number of Days % of Total Sessions
18 – 19% 1
1.61%
14 – 15% 1
1.61%
8 – 9% 1
1.61%
6 – 7% 1
1.61%
5 – 6% 2
3.23%
4 – 5% 2
3.23%
3 – 4% 6
9.68%
2 – 3% 5
8.06%
1 – 2% 6
9.68%
0 – 1% 10
16.13%
0% 2
3.23%
0 – -1% 1
1.61%
-1 – -2% 4
6.45%
-2 – -3% 3
4.84%
-3 – -4% 4
6.45%
-4 – -5% 1
1.61%
-5 – -6% 3
4.84%
-6 – -7% 2
3.23%
-7 – -8% 1
1.61%
-8 – -9% 1
1.61%
-9 – -10% 2
3.23%
-10 – -11% 1
1.61%
-17 – -18% 1
1.61%
-27 – -28% 1
1.61%

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

118 times APEN opened 1 – 2% higher than the previous day's closing price. Among these days, 35.6% (42 days) closed above the opening price, 61.0% (72 days) closed below the opening price.

Closing - Open (%) Number of Days % of Total Sessions
9 – 10% 1
0.85%
7 – 8% 1
0.85%
5 – 6% 3
2.54%
4 – 5% 1
0.85%
3 – 4% 4
3.39%
2 – 3% 6
5.08%
1 – 2% 14
11.86%
0 – 1% 12
10.17%
0% 4
3.39%
0 – -1% 12
10.17%
-1 – -2% 21
17.80%
-2 – -3% 11
9.32%
-3 – -4% 9
7.63%
-4 – -5% 5
4.24%
-5 – -6% 7
5.93%
-6 – -7% 5
4.24%
-7 – -8% 1
0.85%
-9 – -10% 1
0.85%

Table 8. Periods when APEN moved 15% or more

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

DatePrice ChangePrice Change after 15% Move
Days after:14710131619
2020113073%
2020031954.8% -10.3 -15.8 -12.1 -19.6 -8.8 -9.6 1.3
2017010341.8% 12.2 -9.5 -.6 -12.5 -14.7 -20.2 -23.8
2017112832.6% -13.0 -19.1 -19.1 -26.3 -23.5 -14.8 -5.6
2017051124.7% -8.7 -6.1 -8.3 -5.2 -12.5 -2.3 -4.2
2020092921% 1.2 1.8 4.2 6.6 4.5 3.0 1.2
2020042920.5% -1.7 -23.4 -5.1 -14.9 -10.2 -5.1 -12.2
2019080819% 8.7 5.0 3.3 10.7 12.7 14.7 16.1
2018062018.2% -.2 6.5 5.4 3.9 24.3 36.9 21.3
2020091117.9% -3.3 -9.3 -7.9 -6.6 11.9 12.6 15.2
2020031717.3% 4.0 33.6 45.6 28.9 46.3 54.4 59.7
2019012215.3% -11.5 -7.4 -11.0 -6.9 -3.6 -10.3 -13.1
20170426-15.2% 2.7 -30.6 -34.1 -41.2 -35.8 -33.5 -30.6
20201202-16.1%
20181113-18.9% 1.6 11.9 21.6 27.8 39.4 44.4 26.9
20170502-19.9% 7.4 -16.6 5.5 -6.8 -3.1 4.3 .6
20200312-22.7% 6.0 -6.6 19.9 30.7 15.7 31.3 38.6
20170810-25.7% 7.4 7.1 -6.4 -6.4 2.6 1.4 3.8
20200316-27.8% 17.3 69.5 59.1 66.1 52.0 72.4 70.9
20181109-31.3% .0 -15.2 -12.9 .8 3.5 19.0 19.2

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

Of the 1,026 trading days from 2016 to 2020, there were 12 days in which APEN was up more than 15%. This table shows the average price changes over the 12 days.

Average TypeAverage Price Change
Days after:14710131619
Avg for Change ≥ 15% -2.6 -5.5 -2.5 -3.5 2.2 4.9 4.7

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

Of the 1,026 trading days from 2016 to 2020, there were 8 days in which APEN was down more than -15%. This table shows the average price changes over the 8 days.

Average TypeAverage Price Change
Days after:14710131619
Avg for Change ≥ -15% 6.3 3.3 7.8 8.9 9.3 17.4 16.2

Table 9. Periods when APEN moved 10% or more

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

DatePrice ChangePrice Change after 10% Move
Days after:14710131619
2020113073%
2020031954.8% -10.3 -15.8 -12.1 -19.6 -8.8 -9.6 1.3
2017010341.8% 12.2 -9.5 -.6 -12.5 -14.7 -20.2 -23.8
2017112832.6% -13.0 -19.1 -19.1 -26.3 -23.5 -14.8 -5.6
2017051124.7% -8.7 -6.1 -8.3 -5.2 -12.5 -2.3 -4.2
2020092921% 1.2 1.8 4.2 6.6 4.5 3.0 1.2
2020042920.5% -1.7 -23.4 -5.1 -14.9 -10.2 -5.1 -12.2
2019080819% 8.7 5.0 3.3 10.7 12.7 14.7 16.1
2018062018.2% -.2 6.5 5.4 3.9 24.3 36.9 21.3
2020091117.9% -3.3 -9.3 -7.9 -6.6 11.9 12.6 15.2
2020031717.3% 4.0 33.6 45.6 28.9 46.3 54.4 59.7
2019012215.3% -11.5 -7.4 -11.0 -6.9 -3.6 -10.3 -13.1
2020050714.7% 7.3 -3.7 1.6 7.3 -.7 -13.4 -19.6
2020040614.6% -12.4 -13.2 -2.8 -12.0 -14.4 -22.0 -16.2
2017062013.9% -5.4 .5 4.3 10.3 .1 -9.9 -12.5
2017091313.6% .0 6.7 5.8 -.5 15.4 31.1 21.4
2020110913.6% 1.9 3.4 29.8 27.4 34.1 111.5 79.8
2018112113% .0 5.1 14.7 18.8 4.4 4.1 -8.5
2020040312.9% 14.7 -.5 2.3 2.8 -5.5 -5.0 6.0
2017053112.6% -8.6 -1.8 -4.6 -3.7 -4.4 5.2 7.2
2018070912.2% 6.8 9.0 -1.8 1.1 1.5 10.7 3.9
2017010412.1% .3 -16.6 -14.7 -19.2 -25.6 -30.2 -32.8
2017033111.8% 6.3 3.2 6.2 -2.0 -10.9 -18.4 -23.2
2020111811.5%
2020072011.3% 5.1 14.0 8.6 4.5 3.2 1.3 -8.3
2019092010.8% -14.2 -15.4 -10.3 -21.4 -27.4 -27.4 -18.5
2019051010.7% -3.3 3.0 .6 -3.3 .6 -5.5 .8
2018073110.2% -6.9 -7.7 -14.4 -17.2 -15.5 -17.1 -18.8
2020040210.2% 13.0 19.2 23.3 14.0 1.0 7.3 21.8
20200320-10.2% -7.6 .8 -10.8 1.3 6.8 10.5 2.2
20170106-10.7% -9.8 -1.0 -12.8 -15.0 -20.5 -24.1 -24.4
20200421-11.3% 5.7 6.2 18.5 -7.7 14.4 2.6 8.2
20181217-11.4% -.3 -9.0 -5.9 -3.4 2.0 1.4 -12.6
20200903-11.4% 1.5 -2.3 6.9 13.0 6.1 5.3 32.8
20170814-11.5% 6.8 7.5 3.3 3.5 3.8 7.8 9.0
20190123-11.5% .0 4.6 6.7 4.9 .0 -4.6 -2.6
20170501-11.7% -20.0 -24.0 -32.3 -26.0 -23.4 -20.0 -19.5
20170508-12.1% 2.8 15.5 18.8 16.1 19.9 10.7 23.6
20200407-12.4% 5.0 8.7 .5 -11.0 -5.5 7.3 -12.8
20171129-12.9% -.9 -13.4 -4.3 -9.1 -10.6 6.8 12.1
20200528-13.1% -5.8 -12.6 -4.7 -1.1 -7.6 -11.5 -13.6
20170504-13.6% 2.3 -8.8 -.3 3.2 7.8 8.5 12.1
20190325-13.7% 4.9 8.4 .0 -.3 -1.4 1.7 2.9
20190111-14% -1.6 4.2 25.0 15.7 13.8 25.3 14.1
20190923-14.2% 1.8 -1.3 -4.6 -4.9 -16.9 -8.3 -9.2
20170712-14.4% -2.1 -6.8 -6.5 1.8 -3.2 -5.9 -9.4
20181207-14.8% 1.2 1.0 -11.2 -19.0 -16.2 -14.0 -9.2
20170426-15.2% 2.7 -30.6 -34.1 -41.2 -35.8 -33.5 -30.6
20201202-16.1%
20181113-18.9% 1.6 11.9 21.6 27.8 39.4 44.4 26.9
20170502-19.9% 7.4 -16.6 5.5 -6.8 -3.1 4.3 .6
20200312-22.7% 6.0 -6.6 19.9 30.7 15.7 31.3 38.6
20170810-25.7% 7.4 7.1 -6.4 -6.4 2.6 1.4 3.8
20200316-27.8% 17.3 69.5 59.1 66.1 52.0 72.4 70.9
20181109-31.3% .0 -15.2 -12.9 .8 3.5 19.0 19.2

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

Of the 1,026 trading days from 2016 to 2020, there were 29 days in which APEN was up more than 10%. This table shows the average price changes over the 29 days.

Average TypeAverage Price Change
Days after:14710131619
Avg for Change ≥ 10% -.9 -2.0 .7 .1 1.0 4.2 1.3

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

Of the 1,026 trading days from 2016 to 2020, there were 26 days in which APEN was down more than -10%. This table shows the average price changes over the 26 days.

Average TypeAverage Price Change
Days after:14710131619
Avg for Change ≥ -10% 1.3 .2 1.9 1.3 1.7 5.3 5.1

Table 10. Periods when APEN moved 5% or more

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

DatePrice ChangePrice Change after 5% Move
Days after:14710131619
2020113073%
2020031954.8% -10.3 -15.8 -12.1 -19.6 -8.8 -9.6 1.3
2017010341.8% 12.2 -9.5 -.6 -12.5 -14.7 -20.2 -23.8
2017112832.6% -13.0 -19.1 -19.1 -26.3 -23.5 -14.8 -5.6
2017051124.7% -8.7 -6.1 -8.3 -5.2 -12.5 -2.3 -4.2
2020092921% 1.2 1.8 4.2 6.6 4.5 3.0 1.2
2020042920.5% -1.7 -23.4 -5.1 -14.9 -10.2 -5.1 -12.2
2019080819% 8.7 5.0 3.3 10.7 12.7 14.7 16.1
2018062018.2% -.2 6.5 5.4 3.9 24.3 36.9 21.3
2020091117.9% -3.3 -9.3 -7.9 -6.6 11.9 12.6 15.2
2020031717.3% 4.0 33.6 45.6 28.9 46.3 54.4 59.7
2019012215.3% -11.5 -7.4 -11.0 -6.9 -3.6 -10.3 -13.1
2020050714.7% 7.3 -3.7 1.6 7.3 -.7 -13.4 -19.6
2020040614.6% -12.4 -13.2 -2.8 -12.0 -14.4 -22.0 -16.2
2017062013.9% -5.4 .5 4.3 10.3 .1 -9.9 -12.5
2017091313.6% .0 6.7 5.8 -.5 15.4 31.1 21.4
2020110913.6% 1.9 3.4 29.8 27.4 34.1 111.5 79.8
2018112113% .0 5.1 14.7 18.8 4.4 4.1 -8.5
2020040312.9% 14.7 -.5 2.3 2.8 -5.5 -5.0 6.0
2017053112.6% -8.6 -1.8 -4.6 -3.7 -4.4 5.2 7.2
2018070912.2% 6.8 9.0 -1.8 1.1 1.5 10.7 3.9
2017010412.1% .3 -16.6 -14.7 -19.2 -25.6 -30.2 -32.8
2017033111.8% 6.3 3.2 6.2 -2.0 -10.9 -18.4 -23.2
2020111811.5%
2020072011.3% 5.1 14.0 8.6 4.5 3.2 1.3 -8.3
2019092010.8% -14.2 -15.4 -10.3 -21.4 -27.4 -27.4 -18.5
2019051010.7% -3.3 3.0 .6 -3.3 .6 -5.5 .8
2018073110.2% -6.9 -7.7 -14.4 -17.2 -15.5 -17.1 -18.8
2020040210.2% 13.0 19.2 23.3 14.0 1.0 7.3 21.8
201902209.8% -4.9 -6.0 -3.5 -10.8 -9.6 -10.3 -8.7
201701119.7% -3.3 -14.8 -16.9 -22.3 -25.8 -26.2 -26.5
202004139.6% -6.3 -5.9 -13.4 -13.0 -2.9 -24.4 -6.3
201708239.2% -4.6 4.6 3.4 5.8 -3.6 5.3 12.4
201712079.2% 3.0 -2.3 -3.9 14.9 20.6 28.1 33.2
201712219.1% 1.6 9.0 11.6 22.1 21.3 25.7 20.7
201703109% 3.8 -1.6 -.1 -1.2 .2 19.1 15.6
202004158.9% -9.5 -19.8 -14.8 -3.3 -21.4 -14.5 -16.5
201707248.8% 3.0 -10.7 -11.7 -10.5 -37.8 -36.9 -36.4
201908098.6% -3.1 -4.2 1.8 8.9 5.8 5.5 4.0
201706028.4% -1.8 -3.6 2.5 .9 3.9 10.4 14.6
201910158.3% -4.0 -1.7 -1.0 -7.7 3.7 .3 -5.4
201712208.2% 9.1 14.6 21.7 26.5 33.5 40.2 37.2
201704258% -15.2 -26.4 -45.4 -49.5 -43.3 -41.7 -43.0
201910178% -4.5 .0 -7.8 -.6 -3.2 -6.1 -9.4
202009188% -5.4 -3.4 12.8 16.2 14.2 14.9 15.5
202012037.8%
202006047.7% -.6 7.8 5.0 -6.7 -6.1 -8.3 -10.3
202006107.7% -2.6 -9.0 -12.9 -14.9 -14.9 -13.9 -16.0
201904157.5% -2.0 -.8 -3.1 -2.5 6.7 -2.5 1.1
201903207.4% 5.5 .0 3.3 -4.7 -5.0 -6.1 -3.0
202003267.4% -5.8 -19.4 15.2 .0 2.8 3.2 -5.0
202007237.4% -4.8 -9.3 -12.8 -13.8 -15.4 -23.4 -22.9
201705037.3% -13.6 -20.2 -10.3 -7.7 -9.9 -6.9 -14.0
201708117.3% -11.5 -3.8 -16.4 -13.7 -4.9 -5.5 -2.0
201711107.3% -3.1 -4.0 -4.2 -4.2 10.3 2.6 2.6
202005087.3% -9.9 -9.0 .4 .4 -1.3 -19.7 -19.3
201712137.2% -3.7 -.5 19.4 28.1 31.1 43.6 42.6
201807057.1% -.5 21.8 14.4 9.9 11.8 11.8 15.1
201706237% -2.8 .9 6.7 -3.2 -12.9 -15.4 -21.7
201710027% 2.6 9.2 6.4 -1.4 -11.2 -11.4 -17.6
201905157% -5.8 -8.1 -11.6 -8.1 -13.6 -7.8 -4.1
201908207% -.3 3.0 .9 .0 2.4 5.6 4.8
202011127% -6.1 17.9 15.7 21.8 92.1 63.3 58.1
201908236.9% -3.7 -5.6 -6.5 -4.2 -1.3 -2.0 -3.7
202011166.9%
201807106.8% 2.2 -4.1 -7.8 -6.3 -6.3 -3.5 -4.3
201808316.8% .0 .7 -2.4 -3.6 -6.1 -7.6 -3.7
201904306.8% -1.3 -3.2 -12.3 -.8 .3 -5.1 -6.2
201911206.8% -6.5 -9.0 -10.0 -12.6 -10.3 -5.2 -7.7
202012116.8%
201708156.7% 5.6 -7.7 -7.7 1.2 .0 2.3 -6.8
201703076.6% -6.0 5.8 .4 1.9 .8 2.2 21.4
201710046.6% 3.8 -3.8 -4.7 -21.9 -16.6 -21.9 -24.8
202005276.6% -13.2 -20.5 -18.6 -11.8 -14.1 -23.6 -23.2
201707176.4% -4.0 -3.7 4.8 -.3 -3.1 -6.7 -30.0
201707316.4% -3.3 -5.3 -11.8 -37.9 -32.4 -41.3 -39.4
201911146.4% -4.4 4.0 -2.7 -6.0 -6.6 -9.4 .7
202008036.4% -1.8 -8.5 -7.9 -12.5 -14.6 -14.6 -8.5
201704036.3% -5.6 1.2 -1.8 -14.3 -18.7 -17.1 -30.9
201705176.2% -3.4 .9 1.6 5.0 2.2 .3 6.7
201706126.2% .3 -1.3 1.6 8.0 12.1 18.5 7.6
201902046.2% -7.2 -3.8 -10.5 -13.3 -10.2 -11.3 -9.0
201910316.2% .7 -2.6 -8.1 -2.9 -5.5 -8.5 -8.8
202002266.2% -2.6 -7.0 -7.4 -21.0 -53.3 -11.8 -29.4
201708286.1% 4.4 3.1 5.6 -3.9 5.1 12.1 11.1
201805116.1% 1.6 4.6 8.0 9.6 7.5 8.0 1.9
202005196.1% -3.6 .0 -14.7 -21.9 -20.1 -13.4 -15.6
201902016% 6.2 -3.3 -6.8 -7.9 .3 -2.2 -6.5
202002046% -1.9 .3 -3.8 -8.0 -15.1 -14.5 -20.1
202003136% -27.8 36.4 9.1 16.2 -.6 42.0 23.3
202007226% 7.4 -2.3 -12.0 -4.0 -10.9 -14.3 -19.4
202011246%
201812285.8% .6 6.1 5.5 -9.0 -5.2 -1.5 .6
201904085.8% -2.9 -3.2 -1.2 .6 .3 8.4 2.9
201709285.7% 2.4 19.9 14.0 16.8 1.8 -2.8 -.4
201802125.7% -1.3 -4.0 -2.2 4.0 1.8 -1.0 -7.0
201901025.7% -.3 -.8 -14.5 -11.0 -7.4 -5.5 -1.1
201905145.7% 7.0 -2.7 -3.2 -.5 -10.3 -.3 -.5
201708165.6% -3.6 -16.2 -13.6 -4.7 -5.3 -1.8 -15.1
201902085.6% -8.2 -12.5 -10.6 -6.6 -8.2 -7.4 -13.8
202004225.6% 3.9 -5.4 1.6 -12.2 -2.5 -1.5 8.7
201802065.5% 2.5 12.9 8.8 9.3 11.4 11.3 11.8
201903215.5% 4.7 -8.6 -9.7 -12.0 -12.6 -12.8 -11.0
201907115.4% -7.0 -7.6 -8.3 -14.4 -16.2 -15.9 -22.9
201911195.4% 6.9 .0 -3.4 -4.0 -6.9 3.4 -4.5
201711015.3% -5.3 -3.0 -1.8 -4.8 -6.0 -6.0 24.4
201801045.3% -2.1 2.1 2.9 -.8 2.6 -1.3 2.3
201802265.3% -1.4 -7.2 -8.8 -7.9 -11.2 -10.2 -4.5
201812035.3% -1.7 -14.7 -12.8 -24.0 -28.5 -32.1 -27.0
201812265.3% -3.6 2.7 6.5 9.2 -8.6 -3.3 16.1
202012075.3%
202003255.2% 7.4 -5.0 7.9 13.9 17.8 8.9 -3.5
202011175.2%
201801025.1% -1.2 4.2 9.5 7.1 3.6 5.6 3.1
201803215.1% -3.2 -1.5 -4.4 -8.4 -12.2 -10.7 -11.1
201811295.1% 3.7 7.4 -5.6 -5.8 -17.2 -24.4 -21.9
201901165.1% .0 20.0 11.1 9.2 20.3 9.5 5.5
201905285.1% -1.1 -7.1 -.8 3.2 2.7 3.8 -.5
201810055% -2.4 -6.9 -11.1 -12.7 -16.8 -17.2 -19.6
201910305% 6.2 3.5 .3 -3.1 -4.8 .3 -2.4
202001135% -.7 -1.7 3.4 3.8 2.4 9.7 8.6
202004085% -5.7 -3.0 -2.6 -10.4 -10.0 .4 -21.7
202007155% -2.1 13.8 23.4 17.6 13.1 11.7 9.7
202007215% 6.1 5.5 -3.6 -2.4 -9.1 -8.5 -13.1
20170222-5% -2.2 -3.6 -1.6 -1.3 11.1 5.4 7.0
20180830-5% 6.8 6.7 6.7 1.1 5.3 -2.0 2.1
20200812-5% -.7 -6.6 -5.3 -2.6 -6.6 -13.2 -15.9
20180302-5.1% 2.6 -2.2 -2.9 -4.7 1.7 5.0 -2.7
20190819-5.1% 7.1 14.5 11.3 11.0 9.4 9.7 9.7
20190917-5.1% .0 -1.5 -2.8 3.0 -9.7 -16.7 -16.7
20170614-5.2% 4.0 13.1 16.9 16.6 24.7 20.3 19.0
20171102-5.2% 3.4 -1.7 .5 -.5 -.7 -.7 14.4
20200129-5.2% 2.8 10.0 9.0 5.5 4.0 -3.1 -11.4
20171016-5.3% -5.9 -10.1 -7.9 -17.2 -16.8 -14.8 -13.8
20170621-5.4% 2.2 4.2 13.4 12.9 7.0 -6.8 -11.2
20171212-5.4% 7.3 5.5 26.1 32.4 40.7 46.2 54.3
20200921-5.4% -.7 .7 20.7 21.4 24.3 27.1 24.6
20170404-5.6% -.1 7.2 -2.3 -8.8 -17.3 -25.5 -35.4
20190807-5.6% 19.0 23.0 29.8 31.3 35.7 32.9 31.7
20200409-5.6% .0 12.0 1.4 -1.4 -10.1 -3.5 -16.6
20201020-5.6% 3.0 1.2 6.3 24.6 37.1 44.9 52.7
20180605-5.7% -2.5 .3 .8 -11.9 2.2 6.4 8.2
20190508-5.7% -.6 12.5 13.7 7.6 6.4 10.6 8.8
20200327-5.7% 3.2 -5.6 7.1 6.1 18.9 7.6 4.7
20200428-5.7% 20.5 -2.1 6.5 4.1 7.2 10.8 14.9
20200505-5.7% .6 11.7 12.8 24.4 24.4 22.2 -.6
20200529-5.7% -.6 .0 .0 3.9 -3.9 -7.2 -8.4
20170707-5.8% 1.1 -11.9 -16.1 -15.9 -8.4 -12.9 -15.3
20170809-5.8% -25.8 -24.7 -24.2 -27.2 -27.0 -26.9 -24.0
20171017-5.8% -8.0 -1.7 -8.0 -11.4 -8.6 -13.1 -11.2
20181108-5.8% -31.3 -43.5 -37.7 -32.3 -28.9 -22.4 -19.7
20190516-5.8% .3 -5.1 -6.2 -2.4 -4.0 -4.8 -1.1
20171026-5.9% -3.5 1.4 1.2 -7.2 -2.6 -5.4 -4.7
20190214-5.9% 3.0 12.2 9.4 4.6 4.0 -.6 2.1
20170308-6% -.5 9.2 10.7 7.3 9.2 8.6 21.9
20170927-6% 5.8 19.0 26.6 23.4 14.4 3.0 2.8
20180716-6% -4.7 -1.8 -2.5 -2.0 -.4 .2 -8.1
20190723-6% -1.1 -1.1 -.7 -5.3 15.6 11.7 9.9
20200831-6% 3.5 -5.7 -9.2 -.7 5.0 -1.4 -2.1
20201204-6%
20170413-6.1% .0 -9.1 -16.7 -21.7 -47.0 -49.7 -55.2
20201113-6.1% 7.0 24.7 30.7 29.3 71.6 83.3 75.8
20180508-6.3% 4.4 16.1 19.6 23.4 25.2 22.9 23.4
20180618-6.3% -2.8 12.8 17.5 19.4 28.0 52.6 55.7
20200414-6.3% 9.0 -1.3 -4.0 -12.6 -6.1 -18.8 -9.9
20171211-6.4% -5.5 -1.9 9.3 21.1 33.0 39.9 42.5
20191121-6.4% -3.1 -3.4 -3.8 -8.6 .0 -.7 -.7
20181004-6.5% 5.0 -3.7 -7.6 -7.4 -12.1 -13.3 -15.9
20190625-6.5% .6 -8.8 -6.4 -8.2 -11.1 -11.7 -12.3
20170719-6.6% 3.3 20.5 4.5 3.3 4.7 -27.2 -26.2
20200616-6.6% -2.0 -5.4 -6.5 -7.4 -5.4 -8.2 -20.7
20200713-6.6% -1.4 .7 25.0 24.3 13.6 15.0 7.1
20170217-6.7% .0 -7.2 -8.5 -6.6 -6.4 5.5 .0
20170714-6.7% 6.4 -1.5 14.9 -.3 -1.5 -.2 -30.6
20200730-6.7% -3.1 5.7 -1.9 -5.7 -11.3 -10.1 -7.5
20171205-6.8% -1.7 3.4 1.0 4.4 25.3 34.4 37.6
20180801-6.9% -.9 -.4 -8.6 -10.8 -10.0 -10.7 -12.0
20200225-6.9% 6.3 -.8 -.4 -16.0 -31.2 -39.5 -22.3
20170417-7% .4 -8.9 -18.0 -28.8 -47.2 -51.2 -45.1
20190712-7% -.3 .0 -7.2 -4.9 -10.2 -13.5 -1.3
20190205-7.1% -.3 -5.0 -9.4 -7.4 -3.3 -5.0 -4.1
20191008-7.1% -4.2 -4.2 7.7 3.1 2.1 .7 4.2
20180809-7.3% -.6 -3.1 -2.2 -2.9 -4.4 -3.7 -3.8
20190503-7.3% 2.0 -7.6 4.5 5.6 .0 -1.1 2.8
20200709-7.4% .0 -3.3 4.7 25.3 14.0 2.7 12.0
20200807-7.4% 4.0 .0 -6.0 -4.7 -2.0 -6.0 -12.7
20200310-7.5% .0 -40.9 11.6 -10.7 -4.9 -18.6 16.3
20200323-7.5% -3.5 2.7 -12.1 25.6 9.0 12.1 12.6
20190401-7.7% 2.0 -5.8 .0 3.8 2.9 1.4 -3.2
20200309-7.7% -7.5 -24.3 -33.3 -14.4 -6.7 -17.4 -6.2
20171018-7.9% 4.0 3.7 -3.5 1.4 1.2 -7.2 -2.6
20200526-7.9% 6.6 -13.2 -12.7 -12.7 -9.3 -16.1 -19.0
20170530-8.2% 12.7 9.7 7.7 14.5 12.7 16.0 23.3
20190211-8.2% -.6 -1.7 7.0 4.3 -.3 -.9 -5.2
20170821-8.3% -4.1 -1.0 9.2 8.4 12.5 -2.8 14.5
20201209-8.3%
20170117-8.5% 3.6 -4.6 -10.5 -13.9 -12.5 -14.0 -20.5
20170601-8.5% 8.4 6.3 10.8 9.5 19.1 23.1 22.8
20201201-8.5%
20170728-8.6% 6.5 3.5 -.3 -25.2 -25.4 -34.8 -34.8
20170512-8.7% -4.0 -.6 3.8 4.5 8.0 5.1 3.2
20170911-8.7% -3.8 13.4 14.6 14.6 15.1 29.5 37.8
20190531-8.7% 3.0 9.9 14.4 13.9 15.1 10.2 2.4
20191002-8.8% -2.9 -7.4 -11.3 -7.7 -5.5 -4.8 -11.3
20200401-8.8% 10.3 25.1 24.0 38.9 25.7 22.3 11.4
20200504-8.8% -5.8 16.8 4.7 10.5 16.8 8.0 -5.8
20200331-9% -8.9 30.2 13.0 16.1 16.7 7.3 7.8
20200501-9.3% -8.8 -.8 -3.1 -.2 3.1 6.9 -8.8
20200416-9.4% 1.8 -6.3 -5.9 5.0 -18.2 1.4 -9.1
20180202-9.5% -1.8 9.6 15.4 12.3 14.4 21.8 19.1
20170109-9.8% 3.4 5.7 .2 -7.8 -13.5 -16.7 -15.4
20200511-9.8% 1.0 4.0 7.5 11.4 -5.0 -12.9 -10.9
20200320-10.2% -7.6 .8 -10.8 1.3 6.8 10.5 2.2
20170106-10.7% -9.8 -1.0 -12.8 -15.0 -20.5 -24.1 -24.4
20200421-11.3% 5.7 6.2 18.5 -7.7 14.4 2.6 8.2
20181217-11.4% -.3 -9.0 -5.9 -3.4 2.0 1.4 -12.6
20200903-11.4% 1.5 -2.3 6.9 13.0 6.1 5.3 32.8
20170814-11.5% 6.8 7.5 3.3 3.5 3.8 7.8 9.0
20190123-11.5% .0 4.6 6.7 4.9 .0 -4.6 -2.6
20170501-11.7% -20.0 -24.0 -32.3 -26.0 -23.4 -20.0 -19.5
20170508-12.1% 2.8 15.5 18.8 16.1 19.9 10.7 23.6
20200407-12.4% 5.0 8.7 .5 -11.0 -5.5 7.3 -12.8
20171129-12.9% -.9 -13.4 -4.3 -9.1 -10.6 6.8 12.1
20200528-13.1% -5.8 -12.6 -4.7 -1.1 -7.6 -11.5 -13.6
20170504-13.6% 2.3 -8.8 -.3 3.2 7.8 8.5 12.1
20190325-13.7% 4.9 8.4 .0 -.3 -1.4 1.7 2.9
20190111-14% -1.6 4.2 25.0 15.7 13.8 25.3 14.1
20190923-14.2% 1.8 -1.3 -4.6 -4.9 -16.9 -8.3 -9.2
20170712-14.4% -2.1 -6.8 -6.5 1.8 -3.2 -5.9 -9.4
20181207-14.8% 1.2 1.0 -11.2 -19.0 -16.2 -14.0 -9.2
20170426-15.2% 2.7 -30.6 -34.1 -41.2 -35.8 -33.5 -30.6
20201202-16.1%
20181113-18.9% 1.6 11.9 21.6 27.8 39.4 44.4 26.9
20170502-19.9% 7.4 -16.6 5.5 -6.8 -3.1 4.3 .6
20200312-22.7% 6.0 -6.6 19.9 30.7 15.7 31.3 38.6
20170810-25.7% 7.4 7.1 -6.4 -6.4 2.6 1.4 3.8
20200316-27.8% 17.3 69.5 59.1 66.1 52.0 72.4 70.9
20181109-31.3% .0 -15.2 -12.9 .8 3.5 19.0 19.2

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

Of the 1,026 trading days from 2016 to 2020, there were 124 days in which APEN was up more than 5%. This table shows the average price changes over the 124 days.

Average TypeAverage Price Change
Days after:14710131619
Avg for Change ≥ 5% -1.5 -.9 -.8 -.4 -1.0 .0 -1.9

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

Of the 1,026 trading days from 2016 to 2020, there were 114 days in which APEN was down more than -5%. This table shows the average price changes over the 114 days.

Average TypeAverage Price Change
Days after:14710131619
Avg for Change ≥ -5% .6 .6 1.9 2.0 2.5 2.1 1.8

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.