Statistics of Price Movements of Satsuma Pharmaceuticals Inc (STSA)

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

The statistics are calculated using STSA's price data across 321 trading days from 2019 to 2020.

Table 1. Statistics of STSA 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 321 trading days, 48.4% of the time (155 days), STSA closed above the previous day's closing price. 47.5% of the time (152 days), it closed below the previous day's closing price. 4.1% of the time (13 days), it did not change.

Also see: VIX price movement study.

STSA Price Change (%)	Number of Days	% of Total Sessions
32 – 33%	1	0.31%
29 – 30%	1	0.31%
25 – 26%	1	0.31%
20 – 21%	1	0.31%
19 – 20%	1	0.31%
17 – 18%	2	0.62%
16 – 17%	1	0.31%
14 – 15%	1	0.31%
13 – 14%	3	0.94%
12 – 13%	4	1.25%
10 – 11%	2	0.62%
9 – 10%	5	1.56%
8 – 9%	6	1.88%
7 – 8%	3	0.94%
6 – 7%	9	2.81%
5 – 6%	5	1.56%
4 – 5%	13	4.06%
3 – 4%	16	5.00%
2 – 3%	18	5.62%
1 – 2%	23	7.19%
0 – 1%	39	12.19%
0%	13	4.06%
0 – -1%	29	9.06%
-1 – -2%	26	8.12%
-2 – -3%	19	5.94%
-3 – -4%	19	5.94%
-4 – -5%	15	4.69%
-5 – -6%	14	4.38%
-6 – -7%	7	2.19%
-7 – -8%	4	1.25%
-8 – -9%	3	0.94%
-9 – -10%	6	1.88%
-10 – -11%	1	0.31%
-11 – -12%	1	0.31%
-14 – -15%	2	0.62%
-16 – -17%	1	0.31%
-18 – -19%	1	0.31%
-21 – -22%	1	0.31%
-25 – -26%	1	0.31%
-27 – -28%	1	0.31%
-75 – -76%	1	0.31%

Table 2. Statistics of STSA: 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 STSA.

47.4% of the time (152 days), STSA closed above the opening price. 48.3% of the time (155 days), it closed below the opening price. 4.4% of the time (14 days), it closed where it started.

Closing - Open (%)	Number of Days	% of Total Sessions
31 – 32%	1	0.31%
29 – 30%	1	0.31%
21 – 22%	1	0.31%
20 – 21%	1	0.31%
19 – 20%	1	0.31%
16 – 17%	1	0.31%
15 – 16%	2	0.62%
14 – 15%	2	0.62%
13 – 14%	1	0.31%
12 – 13%	2	0.62%
11 – 12%	6	1.87%
10 – 11%	7	2.18%
9 – 10%	3	0.93%
8 – 9%	5	1.56%
7 – 8%	3	0.93%
6 – 7%	2	0.62%
5 – 6%	4	1.25%
4 – 5%	10	3.12%
3 – 4%	25	7.79%
2 – 3%	17	5.30%
1 – 2%	25	7.79%
0 – 1%	32	9.97%
0%	14	4.36%
0 – -1%	27	8.41%
-1 – -2%	28	8.72%
-2 – -3%	16	4.98%
-3 – -4%	20	6.23%
-4 – -5%	15	4.67%
-5 – -6%	21	6.54%
-6 – -7%	10	3.12%
-8 – -9%	6	1.87%
-9 – -10%	3	0.93%
-10 – -11%	1	0.31%
-11 – -12%	3	0.93%
-14 – -15%	1	0.31%
-19 – -20%	2	0.62%
-20 – -21%	1	0.31%
-24 – -25%	1	0.31%

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

In the past 321 trading days, STSA opened more than 5% higher than the previous day's closing price 7 times. Of these days, 28.6% (2 days) had closing prices above the opening price, and 71.4% (5 days) had closing prices below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
2 – 3%	2	28.57%
-4 – -5%	3	42.86%
-10 – -11%	1	14.29%
-11 – -12%	1	14.29%

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

On 6 days, STSA opened 4–5% higher than the previous day's closing price. Of these days, 50.0% (3 days) had closing prices above the opening price, and 50.0% (3 days) had closing prices below the opening price.

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

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

5 times STSA opened 3 – 4% higher than the previous day's closing price. Among these days, 40.0% (2 days) closed above the opening price, 60.0% (3 days) closed below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
3 – 4%	1	20.00%
1 – 2%	1	20.00%
0 – -1%	1	20.00%
-3 – -4%	1	20.00%
-9 – -10%	1	20.00%

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

12 times STSA opened 2 – 3% higher than the previous day's closing price. Among these days, 33.3% (4 days) closed above the opening price, 66.7% (8 days) closed below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
15 – 16%	1	8.33%
14 – 15%	1	8.33%
2 – 3%	1	8.33%
0 – 1%	1	8.33%
0 – -1%	4	33.33%
-1 – -2%	2	16.67%
-5 – -6%	1	8.33%
-8 – -9%	1	8.33%

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

50 times STSA opened 1 – 2% higher than the previous day's closing price. Among these days, 32.0% (16 days) closed above the opening price, 66.0% (33 days) closed below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
12 – 13%	1	2.00%
11 – 12%	3	6.00%
10 – 11%	1	2.00%
7 – 8%	1	2.00%
4 – 5%	1	2.00%
3 – 4%	2	4.00%
2 – 3%	2	4.00%
1 – 2%	5	10.00%
0%	1	2.00%
0 – -1%	4	8.00%
-1 – -2%	6	12.00%
-2 – -3%	3	6.00%
-3 – -4%	10	20.00%
-4 – -5%	2	4.00%
-5 – -6%	3	6.00%
-6 – -7%	4	8.00%
-19 – -20%	1	2.00%

Table 8. Periods when STSA moved 15% or more

In this table, we track the price movements in the 20 days after STSA 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
20200207	32.2%	-3.6	-4.4	-5.1	-11.4	-14.0	-5.1	-12.3
20200128	29.9%	14.0	1.1	-8.9	6.4	11.1	14.0	3.5
20200520	25.5%	-.2	-.2	.8	1.3	9.3	1.9	10.0
20200320	20.2%	-14.2	-4.9	8.7	-18.2	-10.3	-2.6	-9.6
20191217	19.4%	12.2	14.1	22.9	24.4	19.2	18.1	13.7
20191213	17.5%	-5.0	32.8	36.0	37.2	41.3	32.8	34.6
20200317	17.5%	-10.0	-.6	10.2	26.0	-5.3	3.9	12.9
20191021	16.2%	-4.7	-7.3	-4.9	9.3	45.6	37.3	51.8
20200316	-16.6%	17.5	36.2	13.4	36.9	15.3	16.2	24.5
20200311	-18.1%	-27.3	-28.1	-16.7	-30.6	-16.3	-29.5	-28.9
20191002	-21.9%	4.1	-11.6	-14.1	-15.9	6.1	-5.6	-.3
20200401	-25.6%	4.6	5.5	13.0	14.1	10.0	16.6	15.2
20200312	-27.2%	1.0	-10.9	-1.7	9.0	24.6	-6.3	2.8
20200910	-75.9%	-14.1	-15.7	-21.9	-27.0	-31.5	-30.4	-24.9

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

Of the 321 trading days from 2019 to 2020, there were 8 days in which STSA was up more than 15%. This table shows the average price changes over the 8 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ 15%	-1.4	3.8	7.5	9.4	12.1	12.5	13.1

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

Of the 321 trading days from 2019 to 2020, there were 6 days in which STSA was down 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%	-2.4	-4.1	-4.7	-2.3	1.4	-6.5	-1.9

Table 9. Periods when STSA moved 10% or more

In this table, we track the price movements in the 20 days after STSA 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
20200207	32.2%	-3.6	-4.4	-5.1	-11.4	-14.0	-5.1	-12.3
20200128	29.9%	14.0	1.1	-8.9	6.4	11.1	14.0	3.5
20200520	25.5%	-.2	-.2	.8	1.3	9.3	1.9	10.0
20200320	20.2%	-14.2	-4.9	8.7	-18.2	-10.3	-2.6	-9.6
20191217	19.4%	12.2	14.1	22.9	24.4	19.2	18.1	13.7
20191213	17.5%	-5.0	32.8	36.0	37.2	41.3	32.8	34.6
20200317	17.5%	-10.0	-.6	10.2	26.0	-5.3	3.9	12.9
20191021	16.2%	-4.7	-7.3	-4.9	9.3	45.6	37.3	51.8
20200326	14.1%	.1	-14.9	-7.0	-3.9	6.5	-6.8	-4.1
20200129	13.9%	-11.8	-15.3	5.7	-2.9	-2.5	-1.4	-10.1
20200310	13.2%	-18.1	-49.9	-43.3	-39.7	-35.1	-44.8	-39.7
20191107	13.1%	.7	2.9	3.9	-1.2	-11.4	-9.8	-19.3
20191105	12.6%	4.5	12.4	21.2	22.6	4.1	6.5	-3.0
20200515	12.6%	2.1	15.7	15.7	16.9	17.5	26.8	18.2
20200805	12.4%	-3.4	-2.7	-3.6	-5.7	-6.6	-10.6	-14.5
20191218	12.1%	4.2	6.7	7.7	10.9	4.2	5.6	-4.2
20200116	10.7%	3.2	5.6	3.3	34.8	29.5	61.7	48.5
20191010	10%	-5.5	-7.5	16.7	3.8	9.7	16.0	50.1
20191122	-10.9%	-2.0	2.3	-13.4	-9.6	-24.5	-14.0	20.1
20200130	-11.8%	-3.4	-7.3	15.7	14.7	13.9	6.2	3.1
20200911	-14%	-2.1	-1.0	-10.4	-15.5	-19.5	-18.8	-14.7
20200323	-14.1%	3.0	10.9	-5.7	3.1	6.5	18.0	3.3
20200316	-16.6%	17.5	36.2	13.4	36.9	15.3	16.2	24.5
20200311	-18.1%	-27.3	-28.1	-16.7	-30.6	-16.3	-29.5	-28.9
20191002	-21.9%	4.1	-11.6	-14.1	-15.9	6.1	-5.6	-.3
20200401	-25.6%	4.6	5.5	13.0	14.1	10.0	16.6	15.2
20200312	-27.2%	1.0	-10.9	-1.7	9.0	24.6	-6.3	2.8
20200910	-75.9%	-14.1	-15.7	-21.9	-27.0	-31.5	-30.4	-24.9

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

Of the 321 trading days from 2019 to 2020, there were 18 days in which STSA was up more than 10%. This table shows the average price changes over the 18 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ 10%	-2.0	-.9	4.5	6.1	6.3	8.0	7.0

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

Of the 321 trading days from 2019 to 2020, there were 10 days in which STSA was down more than -10%. This table shows the average price changes over the 10 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ -10%	-1.9	-2.0	-4.2	-2.1	-1.5	-4.8	.0

Table 10. Periods when STSA moved 5% or more

In this table, we track the price movements in the 20 days after STSA 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
20200207	32.2%	-3.6	-4.4	-5.1	-11.4	-14.0	-5.1	-12.3
20200128	29.9%	14.0	1.1	-8.9	6.4	11.1	14.0	3.5
20200520	25.5%	-.2	-.2	.8	1.3	9.3	1.9	10.0
20200320	20.2%	-14.2	-4.9	8.7	-18.2	-10.3	-2.6	-9.6
20191217	19.4%	12.2	14.1	22.9	24.4	19.2	18.1	13.7
20191213	17.5%	-5.0	32.8	36.0	37.2	41.3	32.8	34.6
20200317	17.5%	-10.0	-.6	10.2	26.0	-5.3	3.9	12.9
20191021	16.2%	-4.7	-7.3	-4.9	9.3	45.6	37.3	51.8
20200326	14.1%	.1	-14.9	-7.0	-3.9	6.5	-6.8	-4.1
20200129	13.9%	-11.8	-15.3	5.7	-2.9	-2.5	-1.4	-10.1
20200310	13.2%	-18.1	-49.9	-43.3	-39.7	-35.1	-44.8	-39.7
20191107	13.1%	.7	2.9	3.9	-1.2	-11.4	-9.8	-19.3
20191105	12.6%	4.5	12.4	21.2	22.6	4.1	6.5	-3.0
20200515	12.6%	2.1	15.7	15.7	16.9	17.5	26.8	18.2
20200805	12.4%	-3.4	-2.7	-3.6	-5.7	-6.6	-10.6	-14.5
20191218	12.1%	4.2	6.7	7.7	10.9	4.2	5.6	-4.2
20200116	10.7%	3.2	5.6	3.3	34.8	29.5	61.7	48.5
20191010	10%	-5.5	-7.5	16.7	3.8	9.7	16.0	50.1
20191104	9.9%	12.6	34.2	37.1	38.4	31.6	18.0	20.2
20200304	9.5%	-7.2	.0	-39.9	-47.0	-41.4	-35.1	-25.8
20200228	9.4%	2.2	-5.5	1.8	-38.8	-46.0	-40.4	-33.9
20191113	9.1%	-.4	.8	-14.5	-12.5	-20.3	-16.1	-32.1
20200715	9%	-1.7	-7.8	-10.0	-11.8	-19.2	-13.0	-12.4
20200622	8.6%	-1.9	-13.5	-21.6	-19.1	-26.5	-24.7	-20.6
20200429	8.4%	-2.0	.0	-2.4	-6.2	14.4	29.7	29.7
20201007	8.4%	-2.4	-2.6	-4.7	-8.3	-6.6	-14.7	-8.1
20200331	8.1%	-25.6	-18.7	-15.9	-6.9	-18.5	-16.2	-8.5
20200406	8.1%	-3.5	3.4	4.3	.6	6.6	5.4	4.5
20200427	8%	-6.3	-7.2	3.4	.9	1.1	5.2	31.9
20200814	7.9%	1.3	-1.3	-4.1	-8.0	-9.4	-9.1	-80.5
20201109	7.4%	3.4	7.7	5.4	11.9	17.0	16.2	23.2
20200319	7%	20.2	.1	20.8	1.8	2.6	9.9	10.9
20191205	6.9%	-7.9	-23.1	-12.4	22.4	25.3	26.5	30.2
20200505	6.9%	1.8	-.6	-.4	3.6	29.9	24.8	23.3
20200413	6.5%	3.9	-9.0	-6.4	2.1	1.7	3.7	1.2
20200714	6.4%	9.0	2.3	-1.4	-2.7	-9.6	-1.8	-4.3
20200618	6.3%	3.7	.1	-9.2	-11.5	-9.1	-16.4	-7.6
20200615	6.2%	-.3	11.4	7.5	-2.5	-5.0	-2.4	-10.2
20200514	6.1%	12.6	30.6	30.5	30.3	26.0	34.5	45.6
20200608	6.1%	.7	-5.0	1.9	22.1	13.3	1.2	-4.1
20191204	6%	6.9	-13.4	-1.4	25.6	27.7	37.7	39.3
20200330	5.6%	8.2	-18.7	-10.8	-3.1	-10.0	-12.2	-8.4
20201120	5.6%
20191018	5.1%	16.2	3.4	9.3	15.6	49.5	60.9	73.5
20200408	5%	1.9	12.9	-1.2	1.6	10.9	10.4	12.7
20200603	5%	2.5	8.6	2.4	9.9	31.7	22.2	9.1
20200221	-5%	-3.1	-4.3	-2.6	-4.3	-12.6	-46.5	-39.4
20200921	-5.1%	-1.4	-7.1	-11.4	-10.7	-6.2	-6.4	-8.4
20191121	-5.2%	-10.9	-8.8	-17.0	-12.6	-29.3	-19.4	2.7
20200114	-5.3%	.7	15.1	17.5	49.7	45.3	39.4	74.0
20200924	-5.3%	-.5	-5.1	-4.4	.5	.2	-2.0	-5.6
20200701	-5.4%	.2	2.9	-5.3	4.7	-1.8	-5.4	-6.6
20201028	-5.4%	-.6	7.2	11.6	15.7	24.0	25.4	24.3
20191011	-5.5%	-3.6	1.0	17.7	14.5	17.5	35.0	79.9
20191111	-5.6%	-.8	9.7	9.7	-9.3	-5.3	-19.9	-16.3
20200325	-5.7%	14.2	30.6	-1.8	7.7	17.0	8.6	6.0
20190918	-5.8%	.3	-3.0	-3.4	-27.0	-31.1	-33.7	-40.0
20200601	-5.8%	1.7	8.6	17.6	16.3	24.9	38.0	21.7
20200827	-5.8%	-.7	-2.3	-1.9	-78.9	-79.3	-80.8	-82.1
20200513	-5.9%	6.1	10.4	38.5	33.1	31.4	43.9	52.6
20200428	-6.2%	8.4	1.4	5.3	8.1	21.5	40.9	40.8
20191008	-6.4%	-6.5	-6.3	-1.8	14.3	11.2	14.1	31.2
20191009	-6.5%	10.0	-.4	10.5	18.9	23.8	25.9	58.1
20190916	-6.6%	4.6	-.2	-4.5	-4.9	-25.3	-36.5	-38.3
20200501	-6.7%	2.3	6.3	9.1	22.6	42.2	42.1	41.9
20200629	-6.7%	2.8	-2.6	-7.2	-12.3	.0	-6.1	-8.4
20200626	-6.8%	-6.8	-9.2	-6.7	-14.2	-5.1	-10.9	-14.2
20191203	-7.1%	6.0	1.1	-11.1	18.7	37.4	42.1	46.3
20200305	-7.2%	-3.4	-11.7	-46.0	-38.8	-35.0	-30.0	-40.5
20200708	-7.2%	-1.7	.6	6.0	-1.6	-1.0	-5.7	-12.2
20191206	-7.8%	-3.2	-14.9	13.6	31.5	36.1	40.1	41.2
20200211	-8.4%	4.0	4.5	5.6	-3.7	5.2	7.1	-5.4
20200611	-8.5%	1.8	9.2	30.9	21.5	8.5	2.8	-2.0
20200415	-8.8%	-2.0	-4.3	-.2	9.5	2.4	6.4	9.3
20191202	-9.1%	-7.1	-3.0	-19.0	-7.7	28.9	32.0	33.2
20200303	-9.1%	9.6	-3.2	-34.8	-35.5	-25.2	-37.7	-24.9
20191210	-9.2%	-5.0	8.3	51.3	54.9	56.3	60.9	51.3
20200519	-9.4%	25.5	25.4	25.3	21.1	29.3	40.0	38.5
20200624	-9.4%	4.4	-6.7	-11.6	-15.8	-20.4	-9.2	-14.9
20200318	-9.9%	7.0	13.7	22.4	4.1	13.8	17.6	30.3
20191122	-10.9%	-2.0	2.3	-13.4	-9.6	-24.5	-14.0	20.1
20200130	-11.8%	-3.4	-7.3	15.7	14.7	13.9	6.2	3.1
20200911	-14%	-2.1	-1.0	-10.4	-15.5	-19.5	-18.8	-14.7
20200323	-14.1%	3.0	10.9	-5.7	3.1	6.5	18.0	3.3
20200316	-16.6%	17.5	36.2	13.4	36.9	15.3	16.2	24.5
20200311	-18.1%	-27.3	-28.1	-16.7	-30.6	-16.3	-29.5	-28.9
20191002	-21.9%	4.1	-11.6	-14.1	-15.9	6.1	-5.6	-.3
20200401	-25.6%	4.6	5.5	13.0	14.1	10.0	16.6	15.2
20200312	-27.2%	1.0	-10.9	-1.7	9.0	24.6	-6.3	2.8
20200910	-75.9%	-14.1	-15.7	-21.9	-27.0	-31.5	-30.4	-24.9

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

Of the 321 trading days from 2019 to 2020, there were 46 days in which STSA was up more than 5%. This table shows the average price changes over the 46 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ 5%	.2	-.6	1.1	2.7	4.0	5.4	4.9

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

Of the 321 trading days from 2019 to 2020, there were 44 days in which STSA was down more than -5%. This table shows the average price changes over the 44 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ -5%	.8	1.0	1.4	1.6	4.2	3.7	7.4

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.