Statistics of Price Movements of Advanced Drainage Systems Inc (WMS)

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

The statistics are calculated using WMS's price data across 1,549 trading days from 2015 to 2020.

Table 1. Statistics of WMS 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 1,549 trading days, 49.4% of the time (765 days), WMS closed above the previous day's closing price. 44.4% of the time (687 days), it closed below the previous day's closing price. 6.2% of the time (96 days), it did not change.

Also see: VIX price movement study.

WMS Price Change (%)	Number of Days	% of Total Sessions
12 – 13%	3	0.19%
11 – 12%	2	0.13%
10 – 11%	1	0.06%
9 – 10%	1	0.06%
8 – 9%	8	0.52%
7 – 8%	7	0.45%
6 – 7%	11	0.71%
5 – 6%	10	0.65%
4 – 5%	22	1.42%
3 – 4%	54	3.49%
2 – 3%	103	6.65%
1 – 2%	213	13.76%
0 – 1%	330	21.32%
0%	96	6.20%
0 – -1%	288	18.60%
-1 – -2%	199	12.86%
-2 – -3%	104	6.72%
-3 – -4%	44	2.84%
-4 – -5%	22	1.42%
-5 – -6%	12	0.78%
-6 – -7%	5	0.32%
-7 – -8%	3	0.19%
-8 – -9%	2	0.13%
-9 – -10%	2	0.13%
-10 – -11%	2	0.13%
-12 – -13%	1	0.06%
-16 – -17%	2	0.13%
-18 – -19%	1	0.06%

Table 2. Statistics of WMS: 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 WMS.

47.2% of the time (731 days), WMS closed above the opening price. 46.5% of the time (721 days), it closed below the opening price. 6.3% of the time (97 days), it closed where it started.

Closing - Open (%)	Number of Days	% of Total Sessions
16 – 17%	1	0.06%
10 – 11%	2	0.13%
9 – 10%	2	0.13%
8 – 9%	2	0.13%
7 – 8%	6	0.39%
6 – 7%	3	0.19%
5 – 6%	10	0.65%
4 – 5%	24	1.55%
3 – 4%	43	2.78%
2 – 3%	103	6.65%
1 – 2%	212	13.69%
0 – 1%	323	20.85%
0%	97	6.26%
0 – -1%	336	21.69%
-1 – -2%	203	13.11%
-2 – -3%	109	7.04%
-3 – -4%	38	2.45%
-4 – -5%	15	0.97%
-5 – -6%	7	0.45%
-6 – -7%	2	0.13%
-7 – -8%	5	0.32%
-8 – -9%	1	0.06%
-9 – -10%	1	0.06%
-10 – -11%	2	0.13%
-11 – -12%	2	0.13%

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

In the past 1,549 trading days, WMS opened more than 5% higher than the previous day's closing price 9 times. Of these days, 44.4% (4 days) had closing prices above the opening price, and 55.6% (5 days) had closing prices below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
7 – 8%	1	11.11%
4 – 5%	1	11.11%
2 – 3%	1	11.11%
1 – 2%	1	11.11%
0 – -1%	2	22.22%
-1 – -2%	1	11.11%
-7 – -8%	1	11.11%
-11 – -12%	1	11.11%

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

On 6 days, WMS 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
4 – 5%	1	16.67%
2 – 3%	1	16.67%
0 – 1%	1	16.67%
0 – -1%	1	16.67%
-1 – -2%	1	16.67%
-5 – -6%	1	16.67%

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

5 times WMS opened 3 – 4% higher than the previous day's closing price. Among these days, 80.0% (4 days) closed above the opening price, 20.0% (1 days) closed below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
4 – 5%	2	40.00%
3 – 4%	1	20.00%
2 – 3%	1	20.00%
-2 – -3%	1	20.00%

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

22 times WMS opened 2 – 3% higher than the previous day's closing price. Among these days, 54.5% (12 days) closed above the opening price, 40.9% (9 days) closed below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
10 – 11%	1	4.55%
6 – 7%	1	4.55%
5 – 6%	1	4.55%
4 – 5%	1	4.55%
2 – 3%	1	4.55%
1 – 2%	4	18.18%
0 – 1%	3	13.64%
0%	1	4.55%
0 – -1%	5	22.73%
-1 – -2%	2	9.09%
-2 – -3%	2	9.09%

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

79 times WMS opened 1 – 2% higher than the previous day's closing price. Among these days, 57.0% (45 days) closed above the opening price, 41.8% (33 days) closed below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
5 – 6%	1	1.27%
4 – 5%	3	3.80%
3 – 4%	3	3.80%
2 – 3%	8	10.13%
1 – 2%	13	16.46%
0 – 1%	17	21.52%
0%	1	1.27%
0 – -1%	15	18.99%
-1 – -2%	5	6.33%
-2 – -3%	11	13.92%
-3 – -4%	2	2.53%

Table 8. Periods when WMS moved 15% or more

In this table, we track the price movements in the 20 days after WMS 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
20200318	-16.7%	11.0	2.9	9.4	9.1	17.6	42.3	38.6
20200312	-16.8%	8.1	-25.9	-30.8	-9.6	-13.6	-22.8	-6.5
20200316	-18.4%	1.0	-13.9	-6.4	-5.5	-10.8	2.4	19.6

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

Of the 1,549 trading days from 2015 to 2020, there were 3 days in which WMS 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%	6.7	-12.3	-9.3	-2.0	-2.3	7.3	17.2

Table 9. Periods when WMS moved 10% or more

In this table, we track the price movements in the 20 days after WMS 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
20200406	12.9%	3.5	21.0	10.7	19.5	18.1	30.6	31.6
20200409	12.8%	.0	-8.5	-1.3	-2.4	7.9	8.8	10.9
20180529	12.4%	5.1	.0	2.5	2.6	1.6	1.2	.0
20200417	11.1%	-1.3	-2.4	7.8	8.7	10.8	12.0	7.3
20200319	11%	-7.8	.3	1.3	-4.5	9.7	28.2	17.3
20200324	10.2%	8.2	9.3	3.0	18.3	38.3	26.5	36.5
20200327	-10.2%	2.8	-3.1	11.3	30.1	19.0	28.4	27.0
20151124	-10.8%	-1.3	-5.2	-13.6	-17.5	-20.8	-16.8	-19.4
20160202	-12%	3.7	-5.5	-8.7	-8.4	-7.0	-5.9	-3.4
20200318	-16.7%	11.0	2.9	9.4	9.1	17.6	42.3	38.6
20200312	-16.8%	8.1	-25.9	-30.8	-9.6	-13.6	-22.8	-6.5
20200316	-18.4%	1.0	-13.9	-6.4	-5.5	-10.8	2.4	19.6

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

Of the 1,549 trading days from 2015 to 2020, there were 6 days in which WMS was up 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%	1.3	3.3	4.0	7.0	14.4	17.9	17.3

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

Of the 1,549 trading days from 2015 to 2020, there were 6 days in which WMS 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%	4.2	-8.4	-6.5	-.3	-2.6	4.6	9.3

Table 10. Periods when WMS moved 5% or more

In this table, we track the price movements in the 20 days after WMS 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
20200406	12.9%	3.5	21.0	10.7	19.5	18.1	30.6	31.6
20200409	12.8%	.0	-8.5	-1.3	-2.4	7.9	8.8	10.9
20180529	12.4%	5.1	.0	2.5	2.6	1.6	1.2	.0
20200417	11.1%	-1.3	-2.4	7.8	8.7	10.8	12.0	7.3
20200319	11%	-7.8	.3	1.3	-4.5	9.7	28.2	17.3
20200324	10.2%	8.2	9.3	3.0	18.3	38.3	26.5	36.5
20200326	9.5%	-10.3	-10.5	-3.5	16.7	13.6	16.8	11.0
20190523	8.9%	.2	-2.7	-.4	.9	3.6	4.9	4.7
20200429	8.6%	-3.8	-4.5	-2.9	-8.8	-3.9	-.3	5.6
20170808	8.4%	-7.8	-9.6	-13.3	-12.9	-13.1	-15.1	-12.2
20150512	8.3%	.9	-.3	-2.0	-3.7	-2.5	.8	3.8
20200206	8.2%	-1.4	1.4	4.9	9.3	-1.9	-9.9	.6
20200313	8.1%	-18.4	-23.9	-29.4	-25.0	-25.1	-19.3	-2.4
20200325	8.1%	9.5	4.7	-6.5	13.3	16.3	15.1	20.6
20160329	8%	-6.7	.5	1.5	3.9	5.1	6.5	6.0
20180208	7.6%	4.0	11.9	12.3	11.9	8.9	7.9	10.2
20160129	7.2%	1.2	-6.5	-16.6	-17.8	-14.9	-11.6	-16.8
20180809	7.2%	.5	3.3	3.6	4.0	4.8	3.3	3.5
20170111	7%	2.9	1.1	5.3	12.1	6.8	6.8	6.8
20191004	7%	-.3	2.1	5.5	7.7	7.2	9.1	9.8
20200414	7%	-6.0	1.4	.3	10.8	11.7	13.9	15.1
20200522	7%	.0	-.3	1.6	8.7	7.5	4.3	11.1
20201102	6.9%	2.8	-3.1	-3.4	-5.5	-1.9	5.2	4.0
20160222	6.8%	-3.0	-1.9	-.4	9.7	2.0	2.1	10.7
20200304	6.3%	-4.5	-5.4	-21.2	-45.9	-49.5	-34.1	-37.0
20200806	6.3%	4.6	11.2	7.4	8.6	8.3	5.9	10.6
20160122	6.2%	-3.7	-4.3	-8.7	-9.9	-15.2	-15.7	-16.6
20171031	6.2%	-1.0	11.0	9.0	9.0	13.8	19.9	19.2
20170608	6%	.2	.5	1.0	-1.7	3.0	-1.0	-2.2
20180212	6%	2.6	1.9	.8	1.5	-2.8	-.2	2.5
20190906	6%	1.1	-1.8	3.7	2.1	1.4	.6	-1.8
20200427	6%	1.3	2.1	4.1	5.2	.8	4.4	17.4
20200812	6%	-2.3	-.5	-3.2	-4.1	-6.0	-4.8	-3.7
20160607	5.8%	3.5	-.1	1.7	5.1	.2	1.7	5.3
20160317	5.6%	1.3	-5.5	-5.1	-2.3	4.7	6.0	6.6
20171102	5.4%	4.4	3.2	4.9	6.9	14.5	15.2	19.6
20200922	5.4%	-2.3	1.8	8.8	10.7	17.1	19.5	18.6
20200616	5.3%	-2.3	1.3	-1.5	.0	-1.0	-4.5	-3.8
20160304	5.2%	3.4	-3.8	-3.7	4.4	-2.6	-2.2	.7
20160527	5.1%	.0	-.0	5.1	7.1	6.5	11.1	11.3
20201203	5.1%
20180530	5%	-3.3	-2.7	-.5	-3.2	-3.5	-5.7	-3.5
20200520	5%	.1	6.1	5.6	11.8	15.6	3.8	17.7
20200227	-5%	-3.2	8.0	.9	-21.2	-29.8	-40.2	-35.0
20200713	-5%	4.1	7.3	9.1	9.5	8.8	7.5	21.6
20190904	-5.1%	2.2	5.8	8.8	12.7	9.2	9.2	8.1
20201211	-5.1%
20180831	-5.2%	.0	2.4	1.6	1.8	3.0	1.3	.8
20181204	-5.3%	.0	-3.2	-5.8	-6.3	-9.2	-7.2	-7.0
20160624	-5.4%	-4.1	5.6	3.1	7.5	6.8	7.6	4.6
20200225	-5.5%	-.1	-4.1	-2.1	-3.0	-19.2	-44.6	-48.2
20200626	-5.6%	4.0	6.3	5.7	-.6	7.7	6.9	5.9
20201109	-5.6%	3.0	3.0	4.4	10.6	14.3	13.9	24.5
20150505	-5.7%	-.3	2.5	11.4	10.0	7.9	9.0	9.4
20151109	-5.8%	1.5	-.4	.7	6.3	-6.4	-12.7	-18.0
20160205	-6%	-4.3	-7.6	-7.2	-5.8	-4.7	-2.2	1.4
20200415	-6%	-1.6	3.1	9.7	28.2	19.9	22.7	18.6
20200401	-6.3%	-2.8	11.6	30.4	19.3	28.8	27.3	40.7
20160330	-6.7%	2.1	9.5	10.8	11.4	15.4	13.1	15.1
20161114	-6.7%	-1.0	1.7	2.7	.2	1.4	2.2	3.1
20200311	-7.3%	-16.9	-26.0	-36.9	-31.4	-30.7	-34.6	-24.9
20170809	-7.7%	-1.2	-3.4	-4.3	-8.2	-5.3	-6.3	-5.1
20200320	-7.7%	-8.8	19.1	13.8	1.7	23.2	26.5	25.2
20161006	-8.4%	2.7	4.5	2.6	-3.6	-5.9	-9.4	-12.9
20200323	-8.7%	10.2	17.2	16.9	25.9	52.4	48.4	52.5
20200413	-9%	7.0	10.0	4.6	17.1	24.0	23.1	25.2
20200611	-9.8%	2.8	10.8	14.8	11.7	13.4	12.2	8.3
20200327	-10.2%	2.8	-3.1	11.3	30.1	19.0	28.4	27.0
20151124	-10.8%	-1.3	-5.2	-13.6	-17.5	-20.8	-16.8	-19.4
20160202	-12%	3.7	-5.5	-8.7	-8.4	-7.0	-5.9	-3.4
20200318	-16.7%	11.0	2.9	9.4	9.1	17.6	42.3	38.6
20200312	-16.8%	8.1	-25.9	-30.8	-9.6	-13.6	-22.8	-6.5
20200316	-18.4%	1.0	-13.9	-6.4	-5.5	-10.8	2.4	19.6

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

Of the 1,549 trading days from 2015 to 2020, there were 43 days in which WMS 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%	-.5	.1	-.3	1.9	2.7	3.9	6.0

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

Of the 1,549 trading days from 2015 to 2020, there were 30 days in which WMS was down more than -5%. This table shows the average price changes over the 30 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ -5%	.7	1.1	1.9	3.1	3.6	3.4	5.7

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Also see: VIX price movement study.