Statistics of Price Movements of Aileron Therapeutics Inc (ALRN)

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

The statistics are calculated using ALRN's price data across 897 trading days from 2017 to 2020.

Table 1. Statistics of ALRN 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 897 trading days, 41.5% of the time (372 days), ALRN closed above the previous day's closing price. 51.0% of the time (457 days), it closed below the previous day's closing price. 7.5% of the time (67 days), it did not change.

Also see: VIX price movement study.

ALRN Price Change (%)	Number of Days	% of Total Sessions
51 – 52%	1	0.11%
39 – 40%	1	0.11%
36 – 37%	1	0.11%
34 – 35%	1	0.11%
31 – 32%	1	0.11%
30 – 31%	1	0.11%
29 – 30%	2	0.22%
28 – 29%	1	0.11%
25 – 26%	1	0.11%
24 – 25%	3	0.33%
22 – 23%	1	0.11%
21 – 22%	4	0.45%
20 – 21%	2	0.22%
19 – 20%	1	0.11%
18 – 19%	2	0.22%
16 – 17%	3	0.33%
15 – 16%	3	0.33%
14 – 15%	4	0.45%
13 – 14%	5	0.56%
12 – 13%	5	0.56%
11 – 12%	4	0.45%
10 – 11%	10	1.12%
9 – 10%	9	1.00%
8 – 9%	11	1.23%
7 – 8%	11	1.23%
6 – 7%	14	1.56%
5 – 6%	21	2.34%
4 – 5%	25	2.79%
3 – 4%	39	4.35%
2 – 3%	42	4.69%
1 – 2%	69	7.70%
0 – 1%	74	8.26%
0%	67	7.48%
0 – -1%	67	7.48%
-1 – -2%	77	8.59%
-2 – -3%	71	7.92%
-3 – -4%	45	5.02%
-4 – -5%	44	4.91%
-5 – -6%	38	4.24%
-6 – -7%	27	3.01%
-7 – -8%	19	2.12%
-8 – -9%	16	1.79%
-9 – -10%	10	1.12%
-10 – -11%	7	0.78%
-11 – -12%	10	1.12%
-12 – -13%	3	0.33%
-13 – -14%	7	0.78%
-14 – -15%	4	0.45%
-15 – -16%	2	0.22%
-16 – -17%	2	0.22%
-17 – -18%	4	0.45%
-19 – -20%	1	0.11%
-21 – -22%	1	0.11%
-26 – -27%	2	0.22%

Table 2. Statistics of ALRN: 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 ALRN.

37.7% of the time (338 days), ALRN closed above the opening price. 55.4% of the time (497 days), it closed below the opening price. 6.9% of the time (62 days), it closed where it started.

Closing - Open (%)	Number of Days	% of Total Sessions
46 – 47%	1	0.11%
30 – 31%	2	0.22%
28 – 29%	2	0.22%
27 – 28%	3	0.33%
24 – 25%	2	0.22%
23 – 24%	1	0.11%
21 – 22%	2	0.22%
20 – 21%	4	0.45%
19 – 20%	1	0.11%
18 – 19%	4	0.45%
16 – 17%	2	0.22%
14 – 15%	5	0.56%
13 – 14%	3	0.33%
12 – 13%	7	0.78%
11 – 12%	1	0.11%
10 – 11%	5	0.56%
9 – 10%	10	1.11%
8 – 9%	12	1.34%
7 – 8%	9	1.00%
6 – 7%	14	1.56%
5 – 6%	18	2.01%
4 – 5%	35	3.90%
3 – 4%	33	3.68%
2 – 3%	43	4.79%
1 – 2%	51	5.69%
0 – 1%	68	7.58%
0%	62	6.91%
0 – -1%	77	8.58%
-1 – -2%	84	9.36%
-2 – -3%	60	6.69%
-3 – -4%	72	8.03%
-4 – -5%	42	4.68%
-5 – -6%	27	3.01%
-6 – -7%	22	2.45%
-7 – -8%	26	2.90%
-8 – -9%	19	2.12%
-9 – -10%	7	0.78%
-10 – -11%	16	1.78%
-11 – -12%	12	1.34%
-12 – -13%	7	0.78%
-13 – -14%	3	0.33%
-14 – -15%	5	0.56%
-15 – -16%	5	0.56%
-16 – -17%	3	0.33%
-17 – -18%	3	0.33%
-18 – -19%	1	0.11%
-20 – -21%	3	0.33%
-21 – -22%	1	0.11%
-24 – -25%	1	0.11%
-28 – -29%	1	0.11%

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

In the past 897 trading days, ALRN opened more than 5% higher than the previous day's closing price 55 times. Of these days, 27.3% (15 days) had closing prices above the opening price, and 70.9% (39 days) had closing prices below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
27 – 28%	1	1.82%
18 – 19%	1	1.82%
14 – 15%	2	3.64%
10 – 11%	1	1.82%
8 – 9%	2	3.64%
5 – 6%	1	1.82%
4 – 5%	2	3.64%
3 – 4%	1	1.82%
2 – 3%	1	1.82%
1 – 2%	1	1.82%
0 – 1%	2	3.64%
0%	1	1.82%
0 – -1%	1	1.82%
-1 – -2%	1	1.82%
-2 – -3%	1	1.82%
-3 – -4%	4	7.27%
-4 – -5%	3	5.45%
-5 – -6%	2	3.64%
-6 – -7%	2	3.64%
-7 – -8%	3	5.45%
-8 – -9%	1	1.82%
-9 – -10%	4	7.27%
-10 – -11%	4	7.27%
-11 – -12%	1	1.82%
-12 – -13%	3	5.45%
-13 – -14%	1	1.82%
-14 – -15%	2	3.64%
-15 – -16%	2	3.64%
-16 – -17%	1	1.82%
-17 – -18%	1	1.82%
-18 – -19%	1	1.82%
-24 – -25%	1	1.82%

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

On 21 days, ALRN opened 4–5% higher than the previous day's closing price. Of these days, 38.1% (8 days) had closing prices above the opening price, and 61.9% (13 days) had closing prices below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
30 – 31%	1	4.76%
18 – 19%	1	4.76%
7 – 8%	1	4.76%
6 – 7%	1	4.76%
5 – 6%	1	4.76%
3 – 4%	1	4.76%
2 – 3%	1	4.76%
0 – 1%	1	4.76%
0 – -1%	3	14.29%
-1 – -2%	2	9.52%
-2 – -3%	1	4.76%
-5 – -6%	1	4.76%
-6 – -7%	3	14.29%
-7 – -8%	1	4.76%
-8 – -9%	1	4.76%
-15 – -16%	1	4.76%

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

38 times ALRN opened 3 – 4% higher than the previous day's closing price. Among these days, 13.2% (5 days) closed above the opening price, 81.6% (31 days) closed below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
46 – 47%	1	2.63%
20 – 21%	1	2.63%
3 – 4%	2	5.26%
0 – 1%	1	2.63%
0%	2	5.26%
0 – -1%	7	18.42%
-1 – -2%	6	15.79%
-2 – -3%	2	5.26%
-3 – -4%	4	10.53%
-4 – -5%	2	5.26%
-6 – -7%	1	2.63%
-7 – -8%	3	7.89%
-10 – -11%	2	5.26%
-11 – -12%	2	5.26%
-17 – -18%	1	2.63%
-20 – -21%	1	2.63%

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

55 times ALRN opened 2 – 3% higher than the previous day's closing price. Among these days, 25.5% (14 days) closed above the opening price, 72.7% (40 days) closed below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
27 – 28%	2	3.64%
14 – 15%	1	1.82%
12 – 13%	1	1.82%
6 – 7%	2	3.64%
5 – 6%	1	1.82%
4 – 5%	1	1.82%
3 – 4%	2	3.64%
2 – 3%	1	1.82%
0 – 1%	3	5.45%
0%	1	1.82%
0 – -1%	3	5.45%
-1 – -2%	5	9.09%
-2 – -3%	7	12.73%
-3 – -4%	7	12.73%
-4 – -5%	5	9.09%
-5 – -6%	2	3.64%
-6 – -7%	2	3.64%
-7 – -8%	2	3.64%
-8 – -9%	4	7.27%
-9 – -10%	1	1.82%
-20 – -21%	1	1.82%
-28 – -29%	1	1.82%

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

107 times ALRN opened 1 – 2% higher than the previous day's closing price. Among these days, 35.5% (38 days) closed above the opening price, 60.7% (65 days) closed below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
28 – 29%	1	0.93%
20 – 21%	1	0.93%
13 – 14%	1	0.93%
12 – 13%	1	0.93%
10 – 11%	1	0.93%
9 – 10%	2	1.87%
8 – 9%	3	2.80%
7 – 8%	1	0.93%
6 – 7%	1	0.93%
5 – 6%	4	3.74%
4 – 5%	2	1.87%
3 – 4%	3	2.80%
2 – 3%	6	5.61%
1 – 2%	5	4.67%
0 – 1%	6	5.61%
0%	4	3.74%
0 – -1%	7	6.54%
-1 – -2%	15	14.02%
-2 – -3%	7	6.54%
-3 – -4%	15	14.02%
-4 – -5%	7	6.54%
-5 – -6%	3	2.80%
-7 – -8%	3	2.80%
-8 – -9%	1	0.93%
-10 – -11%	2	1.87%
-11 – -12%	2	1.87%
-12 – -13%	1	0.93%
-13 – -14%	1	0.93%
-14 – -15%	1	0.93%

Table 8. Periods when ALRN moved 15% or more

In this table, we track the price movements in the 20 days after ALRN 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
20190312	51.4%	-5.7	-1.9	-9.0	-11.7	-8.0	-17.5	-17.5
20200413	39.7%	6.6	-8.9	-11.4	-6.4	-8.7	-13.0	-11.9
20200528	36.4%	22.7	-.8	-10.6	-10.6	-9.1	-7.6	-11.4
20200805	34.5%	3.4	-14.2	-4.7	-8.8	-20.3	-18.2	-17.6
20201020	31.6%	-11.6	-38.6	-45.0	-53.3	-53.3	-53.7	-53.3
20180820	30%	-9.2	-17.3	11.2	12.3	30.4	9.6	7.3
20191104	29.9%	-7.5	-7.4	-18.0	-29.9	-26.2	-23.0	-21.3
20190201	29%	21.8	18.3	49.3	35.9	25.4	2.1	16.9
20190116	28.9%	.7	-27.2	-23.1	-26.5	17.7	14.3	44.2
20190212	25.4%	-2.4	-9.0	-16.5	-20.3	-25.5	-29.2	-34.0
20200110	24.9%	-5.1	-2.7	-2.2	-6.8	-12.2	-17.0	-10.8
20200512	24.7%	-4.0	-3.6	6.9	30.1	130.8	86.6	68.1
20180829	24%	5.9	19.7	22.5	-2.1	-3.5	10.7	5.5
20200529	22.7%	-9.3	-31.5	-30.2	-28.4	-29.0	-24.7	-29.6
20190204	21.8%	13.3	-3.5	19.7	11.6	2.3	-2.3	-8.7
20201008	21.8%	-4.3	31.8	7.4	30.2	-21.0	-29.0	-31.5
20190102	21.4%	4.9	21.6	-5.9	44.1	20.6	7.8	4.9
20200804	21.3%	34.5	12.7	25.5	21.8	11.8	8.2	16.4
20181113	20.8%	.5	.0	-10.0	-3.6	-1.4	-6.4	-9.1
20200408	20.6%	12.6	67.8	43.3	39.4	47.4	43.6	36.8
20180918	19.3%	1.8	-17.4	-12.9	-22.8	-18.9	-21.9	-29.1
20181016	18.6%	-8.6	-19.6	-18.9	-16.1	-23.2	-26.8	-35.0
20180904	18.4%	10.4	-11.3	-13.3	-3.8	-17.1	-13.6	-19.1
20200813	16.9%	2.2	-2.2	-14.5	-12.3	-11.6	-15.9	-12.3
20190226	16.5%	-6.5	-4.1	-11.8	25.4	12.4	23.7	9.5
20181228	16.2%	-2.3	24.4	44.2	11.6	70.9	43.0	27.9
20201013	15.1%	12.4	-8.4	11.1	-32.6	-39.5	-41.6	-44.7
20190819	15%	6.1	7.6	16.6	7.6	14.4	18.6	41.5
20200319	15%	-1.8	2.9	.3	-14.8	-14.9	15.6	69.8
20200604	-15.2%	7.2	12.6	8.1	4.5	8.1	-.9	1.8
20190111	-15.7%	11.5	54.2	11.5	17.7	12.5	80.2	75.0
20180403	-16.2%	3.4	10.3	1.1	7.4	-10.3	-12.9	-22.0
20190118	-16.8%	.0	-10.6	-13.0	15.4	31.7	37.4	56.1
20190206	-17.3%	3.7	30.9	19.1	9.9	-10.5	2.5	-4.3
20181218	-17.4%	-14.4	-21.1	-17.8	-6.7	15.6	26.7	18.9
20181214	-17.5%	-9.2	-31.2	-40.8	-28.3	-15.0	-10.0	-5.0
20200713	-17.9%	-.5	19.5	19.5	8.2	5.9	25.2	65.1
20190930	-19%	-26.1	-26.0	-29.9	-35.8	-38.3	-32.5	-32.2
20200602	-21%	12.9	1.7	1.7	3.4	5.2	.9	1.7
20191001	-26%	-1.1	-5.0	-10.2	-11.4	-15.4	-8.2	-5.7
20201026	-26%	-8.9	-18.1	-21.0	-25.3	-26.7	-22.4	-23.8

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

Of the 897 trading days from 2017 to 2020, there were 29 days in which ALRN was up more than 15%. This table shows the average price changes over the 29 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ 15%	2.8	-.8	-.0	-1.4	1.4	-2.7	-1.7

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

Of the 897 trading days from 2017 to 2020, there were 12 days in which ALRN was down more than -15%. This table shows the average price changes over the 12 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ -15%	-1.8	1.4	-6.0	-3.4	-3.1	7.2	10.5

Table 9. Periods when ALRN moved 10% or more

In this table, we track the price movements in the 20 days after ALRN 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
20190312	51.4%	-5.7	-1.9	-9.0	-11.7	-8.0	-17.5	-17.5
20200413	39.7%	6.6	-8.9	-11.4	-6.4	-8.7	-13.0	-11.9
20200528	36.4%	22.7	-.8	-10.6	-10.6	-9.1	-7.6	-11.4
20200805	34.5%	3.4	-14.2	-4.7	-8.8	-20.3	-18.2	-17.6
20201020	31.6%	-11.6	-38.6	-45.0	-53.3	-53.3	-53.7	-53.3
20180820	30%	-9.2	-17.3	11.2	12.3	30.4	9.6	7.3
20191104	29.9%	-7.5	-7.4	-18.0	-29.9	-26.2	-23.0	-21.3
20190201	29%	21.8	18.3	49.3	35.9	25.4	2.1	16.9
20190116	28.9%	.7	-27.2	-23.1	-26.5	17.7	14.3	44.2
20190212	25.4%	-2.4	-9.0	-16.5	-20.3	-25.5	-29.2	-34.0
20200110	24.9%	-5.1	-2.7	-2.2	-6.8	-12.2	-17.0	-10.8
20200512	24.7%	-4.0	-3.6	6.9	30.1	130.8	86.6	68.1
20180829	24%	5.9	19.7	22.5	-2.1	-3.5	10.7	5.5
20200529	22.7%	-9.3	-31.5	-30.2	-28.4	-29.0	-24.7	-29.6
20190204	21.8%	13.3	-3.5	19.7	11.6	2.3	-2.3	-8.7
20201008	21.8%	-4.3	31.8	7.4	30.2	-21.0	-29.0	-31.5
20190102	21.4%	4.9	21.6	-5.9	44.1	20.6	7.8	4.9
20200804	21.3%	34.5	12.7	25.5	21.8	11.8	8.2	16.4
20181113	20.8%	.5	.0	-10.0	-3.6	-1.4	-6.4	-9.1
20200408	20.6%	12.6	67.8	43.3	39.4	47.4	43.6	36.8
20180918	19.3%	1.8	-17.4	-12.9	-22.8	-18.9	-21.9	-29.1
20181016	18.6%	-8.6	-19.6	-18.9	-16.1	-23.2	-26.8	-35.0
20180904	18.4%	10.4	-11.3	-13.3	-3.8	-17.1	-13.6	-19.1
20200813	16.9%	2.2	-2.2	-14.5	-12.3	-11.6	-15.9	-12.3
20190226	16.5%	-6.5	-4.1	-11.8	25.4	12.4	23.7	9.5
20181228	16.2%	-2.3	24.4	44.2	11.6	70.9	43.0	27.9
20201013	15.1%	12.4	-8.4	11.1	-32.6	-39.5	-41.6	-44.7
20190819	15%	6.1	7.6	16.6	7.6	14.4	18.6	41.5
20200319	15%	-1.8	2.9	.3	-14.8	-14.9	15.6	69.8
20190108	14.8%	-8.1	-13.7	19.4	-13.7	-8.9	-12.9	39.5
20190812	14.7%	1.8	-1.6	28.3	33.7	32.6	16.0	36.8
20190801	14.1%	-3.2	-10.7	5.0	1.8	26.1	27.8	38.5
20180621	14%	.3	-13.6	-11.1	-11.6	-15.1	-16.6	-24.1
20200317	13.6%	-2.5	-3.1	15.2	.6	-5.1	15.2	81.2
20190912	13.5%	-.5	-1.5	-3.4	-9.6	-48.6	-48.6	-51.3
20190205	13.2%	-17.3	-13.8	-2.0	-9.7	-17.9	-19.4	-17.3
20170703	13%	.0	9.5	6.6	2.8	2.5	3.2	4.7
20200406	13%	-11.1	20.7	77.4	53.8	52.4	60.9	40.8
20200603	12.9%	-15.3	-13.7	-11.5	-12.2	-6.9	-13.0	-9.9
20171227	12.7%	.4	1.3	.1	-7.0	-6.6	-7.3	-9.6
20180409	12.7%	-10.4	-4.0	-5.3	-15.9	-28.1	-29.0	-26.9
20200409	12.5%	.0	46.9	27.4	26.2	33.2	16.6	16.8
20201014	12.3%	-9.1	7.3	-11.0	-41.5	-47.1	-47.5	-49.9
20190114	11.4%	6.5	15.0	-.9	2.8	2.8	83.2	56.1
20181003	11.2%	-1.4	-9.1	-12.9	-10.5	-21.3	-20.6	-17.8
20180411	11%	-7.8	-2.1	-18.2	-20.6	-28.9	-27.3	-28.0
20191220	11%	-3.5	-3.9	-8.7	-3.6	-3.6	23.9	27.1
20180823	10.9%	-7.7	24.0	25.3	45.5	22.3	19.7	45.5
20180925	10.9%	-2.0	-8.2	-7.5	-14.8	-18.4	-16.1	-26.2
20190729	10.9%	-5.3	2.7	-5.3	11.3	7.9	33.8	35.6
20200325	10.7%	-.3	-12.9	-17.8	-.3	56.9	42.6	33.8
20200522	10.6%	.0	59.0	39.8	43.4	50.6	44.6	39.8
20200610	10.6%	-5.6	-4.0	-2.4	-6.4	-5.6	-7.2	-8.0
20180905	10.4%	-11.3	-25.4	-27.0	-11.3	-28.0	-24.1	-32.7
20191022	10.2%	.6	3.4	-2.7	24.8	25.0	10.6	-5.4
20200205	10.1%	.2	-6.9	-2.8	-4.1	-3.7	-24.8	-19.5
20200526	10%	5.9	60.9	21.5	23.7	27.0	25.9	33.6
20180921	-10.3%	-4.2	1.0	-10.5	-5.9	-9.4	-17.8	-16.7
20180410	-10.4%	11.0	8.2	-6.5	-16.6	-21.0	-20.7	-17.4
20181120	-10.4%	.5	-2.0	10.2	4.6	.0	-14.7	-44.7
20200225	-10.4%	-6.3	-4.7	-7.7	-25.3	-50.7	-48.9	-49.2
20200331	-10.5%	-3.6	6.7	28.9	92.0	64.0	59.5	68.7
20181101	-10.6%	2.4	-2.4	-13.3	7.1	-6.2	-6.2	4.8
20180808	-10.9%	-6.2	-13.8	-23.1	-19.2	-13.5	17.7	33.1
20180822	-11%	11.0	11.0	39.0	81.9	46.2	42.9	58.6
20200407	-11%	20.6	89.8	72.5	61.9	69.2	75.7	57.1
20180424	-11.2%	5.8	-5.2	-3.2	-4.1	1.7	.6	-4.9
20180906	-11.2%	4.4	-16.5	-17.7	-5.6	-10.0	-18.9	-15.6
20170911	-11.5%	8.4	-7.8	-2.3	-4.0	-1.2	16.5	18.0
20200312	-11.5%	-12.6	-9.4	-9.9	7.0	-6.5	-11.7	7.0
20201021	-11.5%	4.2	-36.8	-43.2	-45.2	-48.1	-49.1	-46.2
20180419	-11.6%	-2.8	-5.7	-15.5	-13.6	-14.5	-9.3	-10.3
20200309	-11.7%	-4.8	-37.2	-34.9	-35.3	-23.1	-32.8	-36.6
20170913	-11.8%	-1.6	-.7	8.1	7.3	22.0	23.1	25.1
20200323	-12%	7.6	12.9	.1	10.8	33.8	99.3	70.3
20190924	-12.5%	-.7	-17.8	-39.8	-44.0	-46.9	-45.4	-49.7
20200313	-12.6%	-6.4	19.3	10.9	16.3	3.2	14.2	37.9
20190122	-13%	-.9	2.8	2.8	83.2	56.1	93.5	80.4
20180910	-13.2%	-7.2	-9.1	10.4	-10.4	-5.5	-16.3	-12.1
20181213	-13.3%	-17.5	-47.1	-51.2	-49.1	-42.3	-28.5	-21.6
20181212	-13.4%	-13.4	-46.4	-57.7	-57.7	-50.0	-36.3	-26.2
20200416	-13.5%	.2	-2.5	3.0	.4	-4.3	-3.1	23.9
20190520	-13.7%	7.5	-.9	-6.5	-7.5	-14.3	-14.8	-19.2
20181221	-13.9%	.0	4.2	18.3	46.5	60.6	50.7	108.5
20181219	-14.4%	7.1	-7.8	11.7	32.5	40.3	48.1	48.1
20200810	-14.4%	2.4	13.7	8.9	-4.8	-2.4	-1.6	-6.5
20191118	-14.6%	.1	9.9	8.1	17.0	12.2	19.3	15.2
20200311	-14.6%	-11.5	-17.8	-9.4	-5.0	-7.5	-21.4	-21.5
20200604	-15.2%	7.2	12.6	8.1	4.5	8.1	-.9	1.8
20190111	-15.7%	11.5	54.2	11.5	17.7	12.5	80.2	75.0
20180403	-16.2%	3.4	10.3	1.1	7.4	-10.3	-12.9	-22.0
20190118	-16.8%	.0	-10.6	-13.0	15.4	31.7	37.4	56.1
20190206	-17.3%	3.7	30.9	19.1	9.9	-10.5	2.5	-4.3
20181218	-17.4%	-14.4	-21.1	-17.8	-6.7	15.6	26.7	18.9
20181214	-17.5%	-9.2	-31.2	-40.8	-28.3	-15.0	-10.0	-5.0
20200713	-17.9%	-.5	19.5	19.5	8.2	5.9	25.2	65.1
20190930	-19%	-26.1	-26.0	-29.9	-35.8	-38.3	-32.5	-32.2
20200602	-21%	12.9	1.7	1.7	3.4	5.2	.9	1.7
20191001	-26%	-1.1	-5.0	-10.2	-11.4	-15.4	-8.2	-5.7
20201026	-26%	-8.9	-18.1	-21.0	-25.3	-26.7	-22.4	-23.8

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

Of the 897 trading days from 2017 to 2020, there were 57 days in which ALRN was up more than 10%. This table shows the average price changes over the 57 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ 10%	-.4	1.4	2.0	.7	1.5	.6	2.7

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

Of the 897 trading days from 2017 to 2020, there were 43 days in which ALRN was down more than -10%. 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 ≥ -10%	-.7	-2.2	-4.4	1.7	-.1	5.8	8.9

Table 10. Periods when ALRN moved 5% or more

In this table, we track the price movements in the 20 days after ALRN 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
20190312	51.4%	-5.7	-1.9	-9.0	-11.7	-8.0	-17.5	-17.5
20200413	39.7%	6.6	-8.9	-11.4	-6.4	-8.7	-13.0	-11.9
20200528	36.4%	22.7	-.8	-10.6	-10.6	-9.1	-7.6	-11.4
20200805	34.5%	3.4	-14.2	-4.7	-8.8	-20.3	-18.2	-17.6
20201020	31.6%	-11.6	-38.6	-45.0	-53.3	-53.3	-53.7	-53.3
20180820	30%	-9.2	-17.3	11.2	12.3	30.4	9.6	7.3
20191104	29.9%	-7.5	-7.4	-18.0	-29.9	-26.2	-23.0	-21.3
20190201	29%	21.8	18.3	49.3	35.9	25.4	2.1	16.9
20190116	28.9%	.7	-27.2	-23.1	-26.5	17.7	14.3	44.2
20190212	25.4%	-2.4	-9.0	-16.5	-20.3	-25.5	-29.2	-34.0
20200110	24.9%	-5.1	-2.7	-2.2	-6.8	-12.2	-17.0	-10.8
20200512	24.7%	-4.0	-3.6	6.9	30.1	130.8	86.6	68.1
20180829	24%	5.9	19.7	22.5	-2.1	-3.5	10.7	5.5
20200529	22.7%	-9.3	-31.5	-30.2	-28.4	-29.0	-24.7	-29.6
20190204	21.8%	13.3	-3.5	19.7	11.6	2.3	-2.3	-8.7
20201008	21.8%	-4.3	31.8	7.4	30.2	-21.0	-29.0	-31.5
20190102	21.4%	4.9	21.6	-5.9	44.1	20.6	7.8	4.9
20200804	21.3%	34.5	12.7	25.5	21.8	11.8	8.2	16.4
20181113	20.8%	.5	.0	-10.0	-3.6	-1.4	-6.4	-9.1
20200408	20.6%	12.6	67.8	43.3	39.4	47.4	43.6	36.8
20180918	19.3%	1.8	-17.4	-12.9	-22.8	-18.9	-21.9	-29.1
20181016	18.6%	-8.6	-19.6	-18.9	-16.1	-23.2	-26.8	-35.0
20180904	18.4%	10.4	-11.3	-13.3	-3.8	-17.1	-13.6	-19.1
20200813	16.9%	2.2	-2.2	-14.5	-12.3	-11.6	-15.9	-12.3
20190226	16.5%	-6.5	-4.1	-11.8	25.4	12.4	23.7	9.5
20181228	16.2%	-2.3	24.4	44.2	11.6	70.9	43.0	27.9
20201013	15.1%	12.4	-8.4	11.1	-32.6	-39.5	-41.6	-44.7
20190819	15%	6.1	7.6	16.6	7.6	14.4	18.6	41.5
20200319	15%	-1.8	2.9	.3	-14.8	-14.9	15.6	69.8
20190108	14.8%	-8.1	-13.7	19.4	-13.7	-8.9	-12.9	39.5
20190812	14.7%	1.8	-1.6	28.3	33.7	32.6	16.0	36.8
20190801	14.1%	-3.2	-10.7	5.0	1.8	26.1	27.8	38.5
20180621	14%	.3	-13.6	-11.1	-11.6	-15.1	-16.6	-24.1
20200317	13.6%	-2.5	-3.1	15.2	.6	-5.1	15.2	81.2
20190912	13.5%	-.5	-1.5	-3.4	-9.6	-48.6	-48.6	-51.3
20190205	13.2%	-17.3	-13.8	-2.0	-9.7	-17.9	-19.4	-17.3
20170703	13%	.0	9.5	6.6	2.8	2.5	3.2	4.7
20200406	13%	-11.1	20.7	77.4	53.8	52.4	60.9	40.8
20200603	12.9%	-15.3	-13.7	-11.5	-12.2	-6.9	-13.0	-9.9
20171227	12.7%	.4	1.3	.1	-7.0	-6.6	-7.3	-9.6
20180409	12.7%	-10.4	-4.0	-5.3	-15.9	-28.1	-29.0	-26.9
20200409	12.5%	.0	46.9	27.4	26.2	33.2	16.6	16.8
20201014	12.3%	-9.1	7.3	-11.0	-41.5	-47.1	-47.5	-49.9
20190114	11.4%	6.5	15.0	-.9	2.8	2.8	83.2	56.1
20181003	11.2%	-1.4	-9.1	-12.9	-10.5	-21.3	-20.6	-17.8
20180411	11%	-7.8	-2.1	-18.2	-20.6	-28.9	-27.3	-28.0
20191220	11%	-3.5	-3.9	-8.7	-3.6	-3.6	23.9	27.1
20180823	10.9%	-7.7	24.0	25.3	45.5	22.3	19.7	45.5
20180925	10.9%	-2.0	-8.2	-7.5	-14.8	-18.4	-16.1	-26.2
20190729	10.9%	-5.3	2.7	-5.3	11.3	7.9	33.8	35.6
20200325	10.7%	-.3	-12.9	-17.8	-.3	56.9	42.6	33.8
20200522	10.6%	.0	59.0	39.8	43.4	50.6	44.6	39.8
20200610	10.6%	-5.6	-4.0	-2.4	-6.4	-5.6	-7.2	-8.0
20180905	10.4%	-11.3	-25.4	-27.0	-11.3	-28.0	-24.1	-32.7
20191022	10.2%	.6	3.4	-2.7	24.8	25.0	10.6	-5.4
20200205	10.1%	.2	-6.9	-2.8	-4.1	-3.7	-24.8	-19.5
20200526	10%	5.9	60.9	21.5	23.7	27.0	25.9	33.6
20181127	9.8%	3.8	5.2	-3.3	-8.5	-43.4	-63.7	-66.5
20200715	9.8%	.0	10.4	.9	-4.2	-5.6	59.4	32.3
20190826	9.7%	-.8	-8.9	-6.4	.0	20.4	29.8	11.6
20170907	9.6%	-.4	-15.9	-17.6	-13.8	-14.0	-4.8	6.0
20171101	9.5%	-7.2	-10.0	-12.2	-17.2	-6.9	-9.1	-14.0
20170929	9.4%	7.8	8.8	10.6	6.0	5.9	.0	-1.2
20190318	9.4%	5.8	-6.7	-13.9	-12.0	-14.4	-16.8	-19.2
20200717	9.3%	2.9	-9.3	-9.0	-16.2	41.0	18.1	31.4
20180213	9%	-3.4	-6.5	-3.7	1.7	6.0	10.5	12.3
20171117	8.7%	-.2	-2.5	-7.8	-10.6	-16.1	-17.4	-18.1
20200521	8.7%	10.7	29.0	96.0	48.0	50.6	54.6	53.3
20191108	8.6%	-8.8	-9.7	-24.2	-16.8	-18.2	-11.5	-15.1
20170912	8.4%	-11.8	-13.6	-9.7	-9.9	-.3	11.1	9.0
20200109	8.4%	25.0	24.9	22.7	19.8	11.2	3.4	11.3
20191218	8.1%	6.6	9.1	17.0	8.1	22.4	23.8	51.9
20201007	8.1%	21.8	42.9	43.6	52.3	5.6	-5.3	-19.5
20170706	8%	3.8	1.0	-2.6	-2.9	-2.3	-.8	-4.3
20181023	8%	-1.6	-2.9	-13.6	-16.5	-17.7	-9.1	-9.5
20191121	8%	4.4	2.7	11.1	6.6	13.3	9.5	17.8
20200917	8%	1.5	-8.2	-6.0	-8.2	-8.2	15.7	59.3
20171002	7.8%	-.1	1.2	-2.1	-2.5	-5.2	-8.2	-14.3
20190904	7.8%	3.5	7.3	28.0	26.7	24.3	16.4	-33.9
20190926	7.7%	-5.1	-43.8	-46.1	-49.0	-49.7	-52.0	-47.9
20200324	7.5%	10.8	7.9	-8.3	-8.5	24.3	82.7	58.4
20190521	7.4%	-7.0	-7.8	-13.1	-13.0	-22.9	-22.6	-22.6
20191125	7.4%	-7.0	-4.9	-9.3	-4.9	-1.0	-3.0	24.3
20200106	7.2%	.2	26.4	26.3	24.1	21.2	12.5	4.5
20200605	7.2%	-.8	-.8	.8	2.5	-1.7	-.8	-2.5
20200629	7.2%	.0	-1.7	-6.8	-25.6	-18.6	-10.2	-17.9
20180319	7.1%	-4.3	-5.6	-11.7	-14.7	-26.1	-29.4	-24.4
20181220	7.1%	-13.9	-13.9	1.8	29.7	50.3	16.4	78.2
20200511	6.8%	24.8	20.5	22.6	47.5	134.6	106.1	111.5
20201005	6.8%	-.8	25.0	72.2	40.3	70.2	3.2	-7.3
20190821	6.7%	-9.2	3.4	-5.1	-2.5	4.3	25.5	35.3
20191101	6.6%	30.0	10.8	13.8	6.8	-11.2	7.6	-1.5
20191219	6.6%	11.1	2.3	2.7	5.3	15.0	45.1	45.0
20200414	6.6%	-1.4	-14.5	-15.3	-10.6	-21.8	-21.6	-11.7
20190115	6.5%	28.9	7.9	-3.5	-6.1	24.6	42.1	48.2
20190429	6.5%	-3.4	-5.6	-11.6	-22.3	-25.3	-35.4	-40.4
20200228	6.5%	2.7	-.6	-19.6	-46.9	-45.0	-45.3	-35.0
20201012	6.4%	15.2	15.8	22.7	-14.8	-23.6	-35.2	-35.2
20190917	6.2%	-8.7	-10.4	-16.1	-52.4	-52.3	-54.8	-58.7
20191210	6.2%	-.5	1.4	10.8	13.3	21.6	12.4	27.2
20190820	6.1%	6.8	11.3	10.3	-3.5	13.9	18.1	35.9
20180913	6%	-7.0	13.0	-8.3	-3.3	-14.3	-10.0	-13.3
20190610	5.9%	-3.0	-8.0	-8.5	-16.6	-23.4	-26.6	-25.5
20200527	5.9%	36.4	19.9	23.0	29.2	24.0	19.9	24.0
20200914	5.9%	4.8	8.8	-1.6	.8	-1.6	-1.6	24.0
20180830	5.8%	-4.6	24.8	.3	-2.0	8.8	-6.2	-2.3
20180425	5.7%	-9.0	-10.1	-7.4	-5.3	-3.9	-7.6	-9.2
20190319	5.7%	-5.0	-15.9	-14.5	-17.3	-19.1	-21.4	-20.5
20200930	5.7%	-4.7	-4.7	20.2	65.5	34.9	63.6	-.8
20170809	5.6%	-3.1	-6.7	-6.0	-7.7	-7.6	-10.2	-6.4
20190906	5.6%	-2.2	17.7	26.8	9.0	-1.2	-18.3	-40.1
20170906	5.5%	9.7	4.7	-10.9	-5.6	-7.3	-4.6	12.5
20170922	5.5%	-7.0	-4.4	12.7	14.2	10.4	10.0	7.0
20190911	5.5%	13.5	22.4	5.2	-4.7	-21.2	-42.2	-46.2
20180601	5.4%	.2	-.6	-6.6	-1.7	-2.9	5.3	-1.3
20180223	5.1%	.6	2.0	8.7	6.9	7.1	8.5	4.6
20200619	5.1%	.0	-6.6	-3.3	-4.9	-9.8	-28.0	-21.3
20170828	5%	.0	-1.7	6.8	3.2	-3.0	-2.1	6.6
20190228	5%	-4.8	-9.6	-15.7	15.7	32.5	16.9	7.8
20190328	5%	3.7	-6.9	-6.9	-8.0	-8.5	-9.0	-7.4
20191216	5%	-5.3	21.3	11.7	12.1	15.0	25.7	58.5
20200427	5%	1.8	-10.9	-10.8	.5	25.0	19.6	48.2
20200505	5%	-3.9	8.2	34.6	28.8	59.6	86.1	182.7
20181025	-5%	.9	3.5	-4.8	-6.2	-3.1	-4.4	-12.8
20190320	-5%	-7.7	-10.4	-6.7	-16.3	-16.3	-17.2	-17.7
20190716	-5%	-3.5	-11.1	-14.0	-10.5	-3.0	-10.5	5.1
20190718	-5%	3.6	-4.3	3.0	9.3	3.3	-.1	14.2
20191007	-5%	-2.9	-8.0	-5.4	-12.9	-4.7	-2.3	-.3
20200327	-5%	2.9	-12.6	-12.7	18.5	74.2	51.0	49.6
20180208	-5.1%	1.9	3.8	.4	3.4	9.2	13.8	18.6
20180625	-5.1%	-7.7	-5.4	-4.9	-5.8	-14.0	-19.0	-25.3
20180928	-5.1%	1.8	2.5	-5.5	-9.5	-6.9	-18.2	-17.5
20190927	-5.1%	-19.1	-40.7	-44.8	-47.7	-46.2	-50.5	-45.8
20200113	-5.1%	3.5	3.5	3.2	-7.4	-8.1	-14.7	-4.7
20200131	-5.1%	.4	7.8	.3	4.7	3.2	3.7	-19.1
20181015	-5.2%	18.6	-.4	1.3	.0	-11.0	-14.0	-15.3
20190627	-5.2%	.0	-4.2	-2.8	-9.7	-20.8	-24.8	-30.6
20190730	-5.2%	-1.9	4.5	.0	19.6	15.7	50.7	57.1
20191010	-5.2%	-2.7	.0	-7.9	.8	3.4	5.5	26.6
20191217	-5.2%	8.2	23.6	23.0	16.9	23.5	23.5	58.8
20200211	-5.2%	2.1	4.4	4.4	-7.4	-14.0	-14.0	-27.4
20200807	-5.2%	-14.5	-4.8	-7.6	-15.2	-17.9	-11.7	-20.7
20180205	-5.3%	-1.8	-7.5	-5.9	-8.9	-6.2	-.9	3.3
20180406	-5.3%	12.7	3.3	9.7	-8.3	-11.0	-20.3	-18.5
20180710	-5.3%	-2.9	-5.1	-17.4	-23.1	-35.4	-37.0	-41.3
20200731	-5.3%	3.0	73.9	44.3	60.2	53.4	34.1	37.5
20200821	-5.3%	-4.1	-1.6	-.8	-5.7	-1.6	6.5	10.6
20200916	-5.3%	8.1	7.3	2.4	4.0	.0	30.6	53.2
20201109	-5.3%	3.7	-1.9	-3.7	1.9	.0	.0	-1.9
20190807	-5.4%	.0	19.6	15.7	50.7	57.1	55.8	36.3
20180612	-5.5%	3.0	3.3	18.5	4.1	6.7	7.3	6.3
20180920	-5.6%	-10.3	-6.6	-12.5	-11.9	-18.8	-22.2	-20.0
20190313	-5.6%	-4.0	10.0	-3.0	-10.5	-8.5	-11.0	-13.5
20200611	-5.6%	-1.7	-2.5	3.4	-3.4	.0	-1.7	-6.8
20200817	-5.6%	.8	-7.5	-10.5	-3.8	-13.5	-9.0	-6.0
20201002	-5.6%	6.9	39.7	63.8	64.7	74.6	21.1	8.6
20180316	-5.7%	7.2	3.4	-9.9	-4.4	-20.8	-15.5	-22.6
20200127	-5.7%	1.3	-5.8	1.4	-.3	-1.4	-4.9	-.3
20180725	-5.8%	-4.3	-16.5	-17.3	-29.7	-39.2	-45.1	-36.2
20200921	-5.8%	3.9	-.8	.8	-3.1	26.6	48.4	49.2
20171222	-5.9%	.0	15.1	16.2	14.8	6.6	7.1	6.3
20170825	-6%	5.1	2.1	6.4	22.6	3.6	1.5	6.1
20181106	-6%	1.0	-10.3	10.8	-3.0	-3.0	8.4	9.9
20180809	-6.1%	.0	-12.7	6.6	-4.5	-4.5	19.7	56.6
20181109	-6.1%	-9.0	12.5	-1.5	-1.5	10.0	11.5	2.5
20190401	-6.1%	-.5	-2.7	-5.5	-4.4	-6.6	-5.7	-8.7
20171107	-6.2%	.1	-.8	-4.7	1.1	.3	-4.9	-9.0
20200226	-6.2%	-6.9	-.4	-5.1	-32.0	-50.8	-37.3	-41.7
20171115	-6.3%	3.6	9.9	9.0	3.4	-1.1	-7.5	-9.6
20180326	-6.3%	-4.8	1.0	-16.4	-10.8	-18.3	-13.2	-27.5
20190722	-6.3%	-1.4	-4.3	-1.3	5.1	.6	20.3	16.4
20191113	-6.3%	2.0	-14.4	-6.0	-7.6	.0	-4.1	2.0
20200316	-6.3%	13.6	25.2	31.2	27.9	8.6	8.5	47.3
20180110	-6.4%	.6	-2.7	-4.6	-2.4	-4.5	-4.1	-13.3
20191230	-6.4%	-1.2	4.3	4.3	34.1	37.5	38.3	31.8
20200421	-6.4%	3.9	9.8	7.0	2.0	3.3	32.1	32.7
20171027	-6.5%	-1.9	-1.0	-4.0	-6.3	-11.7	-.6	-3.0
20190227	-6.5%	5.1	-1.9	-8.2	26.6	31.6	22.2	18.5
20190515	-6.5%	3.1	-10.9	-17.8	-22.5	-23.3	-28.9	-29.3
20181018	-6.6%	-1.7	.0	-1.3	-12.1	-15.1	-16.3	-7.5
20190507	-6.6%	2.2	-10.2	-13.6	-25.3	-31.2	-35.1	-35.7
20180727	-6.7%	-3.3	.9	-11.5	-26.1	-35.5	-21.2	-29.4
20190517	-6.7%	-13.7	-17.7	-17.7	-19.4	-25.8	-24.2	-29.0
20180914	-6.9%	.0	14.7	9.3	-1.4	2.5	-3.9	-8.6
20190522	-6.9%	-4.7	-4.7	-6.5	-14.0	-12.1	-17.8	-15.9
20191126	-6.9%	-1.7	6.4	2.0	8.5	4.8	12.8	28.9
20200108	-6.9%	8.4	33.1	33.0	32.7	19.0	18.2	9.6
20200227	-6.9%	6.5	6.6	-10.0	-35.3	-39.9	-33.8	-30.6
20170925	-7%	1.7	12.5	25.4	23.0	22.0	18.6	14.2
20191017	-7%	1.3	9.9	13.0	6.3	36.4	36.6	20.9
20200812	-7%	16.9	13.6	4.2	.8	8.5	-2.5	2.5
20180911	-7.1%	-.7	-2.1	12.3	7.0	-3.5	.4	-6.0
20190513	-7.1%	-.2	-10.4	-22.6	-23.4	-27.8	-27.7	-35.9
20190715	-7.1%	-5.0	-9.8	-16.7	-10.3	-4.8	-10.1	-13.0
20171102	-7.2%	3.5	-2.9	-3.8	-7.6	-2.0	-2.8	-7.8
20190214	-7.2%	.5	-7.3	-24.5	-13.5	-19.3	-24.5	4.2
20180724	-7.5%	-5.9	-18.8	-15.3	-25.7	-37.9	-45.8	-33.8
20191105	-7.5%	-.1	-8.7	-9.6	-24.1	-16.7	-18.1	-11.4
20200923	-7.5%	2.4	-.8	-5.7	8.1	34.1	57.7	86.2
20180626	-7.6%	-1.7	1.1	.6	-3.4	-5.1	-13.6	-19.7
20180719	-7.6%	1.4	-12.3	-24.4	-21.1	-30.8	-42.2	-49.5
20181204	-7.6%	.0	-2.9	-29.4	-56.3	-65.5	-65.5	-59.2
20190321	-7.6%	.5	-7.3	-5.2	-7.8	-10.4	-13.0	-10.3
20180813	-7.7%	-.4	-11.1	-6.7	.0	36.0	53.8	57.3
20180824	-7.7%	4.7	42.3	60.9	64.7	31.6	29.8	48.8
20191107	-7.7%	8.7	-3.8	-17.8	-13.5	-9.6	-7.7	-11.9
20180412	-7.8%	4.7	3.3	-8.2	-21.6	-22.5	-20.2	-18.4
20171127	-8%	3.7	.5	-5.7	-7.1	-8.0	-7.4	-17.3
20190109	-8%	.0	.0	7.9	-7.0	-3.5	-3.5	71.9
20190605	-8%	-.3	-.9	-6.0	-6.5	-14.8	-21.7	-25.0
20180803	-8.1%	-2.0	-20.3	-26.8	-34.6	-31.4	-26.5	.0
20190830	-8.1%	.0	6.4	10.3	31.5	30.2	27.7	19.6
20181002	-8.2%	11.3	4.3	-.8	8.9	-8.6	-7.0	-8.2
20190219	-8.2%	.6	-18.1	-6.2	-12.4	-18.1	13.0	17.5
20181017	-8.5%	-6.6	-5.1	-10.5	-8.2	-15.6	-16.8	-14.1
20190918	-8.6%	-2.8	-14.2	-12.9	-48.4	-50.5	-53.2	-53.8
20200501	-8.6%	-.7	2.3	40.8	36.0	38.4	66.4	164.7
20201030	-8.7%	-1.7	-2.6	-7.0	-8.7	-8.7	-5.2	-8.7
20191111	-8.8%	3.7	-2.7	-19.1	-2.0	-10.3	-6.9	-3.8
20201027	-8.8%	-2.3	-11.7	-12.5	-16.4	-18.0	-18.0	-14.8
20180426	-8.9%	-1.6	-1.2	2.9	7.0	6.6	.6	-2.3
20181112	-8.9%	20.9	19.2	8.8	6.0	19.2	13.2	8.2
20201019	-8.9%	31.6	9.2	-28.2	-35.1	-35.6	-38.5	-39.7
20190222	-9%	-9.9	3.1	-3.7	-9.9	24.2	29.2	19.9
20181217	-9.1%	-17.4	-34.9	-34.9	-22.9	-1.8	13.8	-11.9
20190509	-9.1%	4.2	-9.8	-25.2	-28.7	-28.7	-30.1	-35.7
20190822	-9.1%	4.5	13.3	4.5	11.2	15.3	37.5	36.0
20201015	-9.1%	-1.5	4.4	-27.6	-35.1	-44.8	-44.8	-45.4
20180821	-9.2%	-11.0	-4.7	29.7	46.6	50.0	19.9	18.2
20200601	-9.2%	-21.1	-19.0	-15.0	-18.4	-21.1	-18.4	-25.2
20200723	-9.3%	1.8	-3.4	-4.8	60.7	33.4	48.1	41.8
20190225	-9.9%	16.6	9.0	3.4	-3.4	32.4	51.7	33.8
20201023	-9.9%	-26.1	-33.7	-43.7	-43.7	-44.2	-43.7	-43.7
20180921	-10.3%	-4.2	1.0	-10.5	-5.9	-9.4	-17.8	-16.7
20180410	-10.4%	11.0	8.2	-6.5	-16.6	-21.0	-20.7	-17.4
20181120	-10.4%	.5	-2.0	10.2	4.6	.0	-14.7	-44.7
20200225	-10.4%	-6.3	-4.7	-7.7	-25.3	-50.7	-48.9	-49.2
20200331	-10.5%	-3.6	6.7	28.9	92.0	64.0	59.5	68.7
20181101	-10.6%	2.4	-2.4	-13.3	7.1	-6.2	-6.2	4.8
20180808	-10.9%	-6.2	-13.8	-23.1	-19.2	-13.5	17.7	33.1
20180822	-11%	11.0	11.0	39.0	81.9	46.2	42.9	58.6
20200407	-11%	20.6	89.8	72.5	61.9	69.2	75.7	57.1
20180424	-11.2%	5.8	-5.2	-3.2	-4.1	1.7	.6	-4.9
20180906	-11.2%	4.4	-16.5	-17.7	-5.6	-10.0	-18.9	-15.6
20170911	-11.5%	8.4	-7.8	-2.3	-4.0	-1.2	16.5	18.0
20200312	-11.5%	-12.6	-9.4	-9.9	7.0	-6.5	-11.7	7.0
20201021	-11.5%	4.2	-36.8	-43.2	-45.2	-48.1	-49.1	-46.2
20180419	-11.6%	-2.8	-5.7	-15.5	-13.6	-14.5	-9.3	-10.3
20200309	-11.7%	-4.8	-37.2	-34.9	-35.3	-23.1	-32.8	-36.6
20170913	-11.8%	-1.6	-.7	8.1	7.3	22.0	23.1	25.1
20200323	-12%	7.6	12.9	.1	10.8	33.8	99.3	70.3
20190924	-12.5%	-.7	-17.8	-39.8	-44.0	-46.9	-45.4	-49.7
20200313	-12.6%	-6.4	19.3	10.9	16.3	3.2	14.2	37.9
20190122	-13%	-.9	2.8	2.8	83.2	56.1	93.5	80.4
20180910	-13.2%	-7.2	-9.1	10.4	-10.4	-5.5	-16.3	-12.1
20181213	-13.3%	-17.5	-47.1	-51.2	-49.1	-42.3	-28.5	-21.6
20181212	-13.4%	-13.4	-46.4	-57.7	-57.7	-50.0	-36.3	-26.2
20200416	-13.5%	.2	-2.5	3.0	.4	-4.3	-3.1	23.9
20190520	-13.7%	7.5	-.9	-6.5	-7.5	-14.3	-14.8	-19.2
20181221	-13.9%	.0	4.2	18.3	46.5	60.6	50.7	108.5
20181219	-14.4%	7.1	-7.8	11.7	32.5	40.3	48.1	48.1
20200810	-14.4%	2.4	13.7	8.9	-4.8	-2.4	-1.6	-6.5
20191118	-14.6%	.1	9.9	8.1	17.0	12.2	19.3	15.2
20200311	-14.6%	-11.5	-17.8	-9.4	-5.0	-7.5	-21.4	-21.5
20200604	-15.2%	7.2	12.6	8.1	4.5	8.1	-.9	1.8
20190111	-15.7%	11.5	54.2	11.5	17.7	12.5	80.2	75.0
20180403	-16.2%	3.4	10.3	1.1	7.4	-10.3	-12.9	-22.0
20190118	-16.8%	.0	-10.6	-13.0	15.4	31.7	37.4	56.1
20190206	-17.3%	3.7	30.9	19.1	9.9	-10.5	2.5	-4.3
20181218	-17.4%	-14.4	-21.1	-17.8	-6.7	15.6	26.7	18.9
20181214	-17.5%	-9.2	-31.2	-40.8	-28.3	-15.0	-10.0	-5.0
20200713	-17.9%	-.5	19.5	19.5	8.2	5.9	25.2	65.1
20190930	-19%	-26.1	-26.0	-29.9	-35.8	-38.3	-32.5	-32.2
20200602	-21%	12.9	1.7	1.7	3.4	5.2	.9	1.7
20191001	-26%	-1.1	-5.0	-10.2	-11.4	-15.4	-8.2	-5.7
20201026	-26%	-8.9	-18.1	-21.0	-25.3	-26.7	-22.4	-23.8

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

Of the 897 trading days from 2017 to 2020, there were 123 days in which ALRN was up more than 5%. This table shows the average price changes over the 123 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ 5%	1.0	1.7	2.3	.6	2.5	2.2	4.7

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

Of the 897 trading days from 2017 to 2020, there were 153 days in which ALRN was down more than -5%. This table shows the average price changes over the 153 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ -5%	.1	-.8	-2.9	-1.6	-2.2	.4	2.8

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.