Statistics of Price Movements of Antero Midstream Corp (AM)

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

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

Table 1. Statistics of AM 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, 46.8% of the time (725 days), AM closed above the previous day's closing price. 48.6% of the time (752 days), it closed below the previous day's closing price. 4.6% of the time (71 days), it did not change.

Also see: VIX price movement study.

AM Price Change (%)	Number of Days	% of Total Sessions
23 – 24%	1	0.06%
18 – 19%	1	0.06%
15 – 16%	3	0.19%
14 – 15%	1	0.06%
11 – 12%	2	0.13%
10 – 11%	4	0.26%
9 – 10%	3	0.19%
8 – 9%	6	0.39%
7 – 8%	8	0.52%
6 – 7%	13	0.84%
5 – 6%	19	1.23%
4 – 5%	33	2.13%
3 – 4%	58	3.75%
2 – 3%	110	7.11%
1 – 2%	182	11.76%
0 – 1%	281	18.15%
0%	71	4.59%
0 – -1%	284	18.35%
-1 – -2%	201	12.98%
-2 – -3%	115	7.43%
-3 – -4%	58	3.75%
-4 – -5%	38	2.45%
-5 – -6%	16	1.03%
-6 – -7%	17	1.10%
-7 – -8%	5	0.32%
-8 – -9%	6	0.39%
-9 – -10%	5	0.32%
-10 – -11%	1	0.06%
-11 – -12%	1	0.06%
-12 – -13%	1	0.06%
-13 – -14%	1	0.06%
-21 – -22%	1	0.06%
-24 – -25%	1	0.06%
-47 – -48%	1	0.06%

Table 2. Statistics of AM: 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 AM.

46.2% of the time (716 days), AM closed above the opening price. 49.8% of the time (771 days), it closed below the opening price. 4.0% of the time (62 days), it closed where it started.

Closing - Open (%)	Number of Days	% of Total Sessions
23 – 24%	1	0.06%
21 – 22%	1	0.06%
19 – 20%	1	0.06%
15 – 16%	1	0.06%
12 – 13%	1	0.06%
10 – 11%	4	0.26%
9 – 10%	3	0.19%
8 – 9%	3	0.19%
7 – 8%	6	0.39%
6 – 7%	10	0.65%
5 – 6%	23	1.48%
4 – 5%	27	1.74%
3 – 4%	53	3.42%
2 – 3%	98	6.33%
1 – 2%	201	12.98%
0 – 1%	283	18.27%
0%	62	4.00%
0 – -1%	294	18.98%
-1 – -2%	225	14.53%
-2 – -3%	119	7.68%
-3 – -4%	53	3.42%
-4 – -5%	34	2.19%
-5 – -6%	19	1.23%
-6 – -7%	11	0.71%
-7 – -8%	7	0.45%
-8 – -9%	2	0.13%
-9 – -10%	3	0.19%
-10 – -11%	1	0.06%
-12 – -13%	1	0.06%
-14 – -15%	1	0.06%
-22 – -23%	1	0.06%

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

In the past 1,549 trading days, AM opened more than 5% higher than the previous day's closing price 11 times. Of these days, 45.5% (5 days) had closing prices above the opening price, and 54.5% (6 days) had closing prices below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
5 – 6%	2	18.18%
1 – 2%	2	18.18%
0 – 1%	1	9.09%
-1 – -2%	1	9.09%
-2 – -3%	1	9.09%
-3 – -4%	1	9.09%
-4 – -5%	1	9.09%
-7 – -8%	1	9.09%
-12 – -13%	1	9.09%

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

On 7 days, AM opened 4–5% higher than the previous day's closing price. Of these days, 57.1% (4 days) had closing prices above the opening price, and 42.9% (3 days) had closing prices below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
10 – 11%	1	14.29%
5 – 6%	2	28.57%
0 – 1%	1	14.29%
-1 – -2%	1	14.29%
-3 – -4%	1	14.29%
-7 – -8%	1	14.29%

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

10 times AM opened 3 – 4% higher than the previous day's closing price. Among these days, 50.0% (5 days) closed above the opening price, 50.0% (5 days) closed below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
19 – 20%	1	10.00%
10 – 11%	1	10.00%
2 – 3%	2	20.00%
1 – 2%	1	10.00%
0 – -1%	1	10.00%
-1 – -2%	1	10.00%
-2 – -3%	3	30.00%

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

34 times AM opened 2 – 3% higher than the previous day's closing price. Among these days, 35.3% (12 days) closed above the opening price, 64.7% (22 days) closed below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
12 – 13%	1	2.94%
6 – 7%	1	2.94%
5 – 6%	2	5.88%
4 – 5%	1	2.94%
3 – 4%	2	5.88%
2 – 3%	2	5.88%
1 – 2%	2	5.88%
0 – 1%	1	2.94%
0 – -1%	5	14.71%
-1 – -2%	6	17.65%
-2 – -3%	3	8.82%
-3 – -4%	3	8.82%
-4 – -5%	2	5.88%
-5 – -6%	1	2.94%
-6 – -7%	2	5.88%

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

117 times AM opened 1 – 2% higher than the previous day's closing price. Among these days, 43.6% (51 days) closed above the opening price, 55.6% (65 days) closed below the opening price.

Closing - Open (%)	Number of Days	% of Total Sessions
8 – 9%	1	0.85%
7 – 8%	2	1.71%
6 – 7%	1	0.85%
4 – 5%	2	1.71%
3 – 4%	4	3.42%
2 – 3%	10	8.55%
1 – 2%	21	17.95%
0 – 1%	10	8.55%
0%	1	0.85%
0 – -1%	21	17.95%
-1 – -2%	18	15.38%
-2 – -3%	11	9.40%
-3 – -4%	3	2.56%
-4 – -5%	4	3.42%
-5 – -6%	4	3.42%
-6 – -7%	2	1.71%
-7 – -8%	1	0.85%
-10 – -11%	1	0.85%

Table 8. Periods when AM moved 15% or more

In this table, we track the price movements in the 20 days after AM 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
20200417	23.5%	18.2	39.5	31.5	35.2	16.5	17.3	1.4
20200420	18.1%	4.6	14.2	8.2	13.2	-4.1	-1.0	-13.2
20200615	15.9%	-2.8	-2.8	-11.6	-18.1	-10.9	-5.7	-13.6
20160122	15%	-2.0	-.5	-2.4	2.2	7.6	-3.8	-2.1
20181009	15%	.3	-3.6	-2.2	-6.1	-10.2	-11.1	-14.1
20200309	-21.2%	7.6	-4.0	-39.8	-26.7	-30.1	-36.2	-24.3
20200318	-24.7%	5.6	24.2	12.1	3.5	23.7	27.3	40.4
20190313	-47.4%	4.4	10.0	6.1	6.3	14.1	11.0	11.1

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

Of the 1,549 trading days from 2015 to 2020, there were 5 days in which AM was up more than 15%. This table shows the average price changes over the 5 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ 15%	3.7	9.4	4.7	5.3	-.2	-.9	-8.3

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

Of the 1,549 trading days from 2015 to 2020, there were 3 days in which AM 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%	5.8	10.1	-7.2	-5.6	2.6	.7	9.1

Table 9. Periods when AM moved 10% or more

In this table, we track the price movements in the 20 days after AM 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
20200417	23.5%	18.2	39.5	31.5	35.2	16.5	17.3	1.4
20200420	18.1%	4.6	14.2	8.2	13.2	-4.1	-1.0	-13.2
20200615	15.9%	-2.8	-2.8	-11.6	-18.1	-10.9	-5.7	-13.6
20160122	15%	-2.0	-.5	-2.4	2.2	7.6	-3.8	-2.1
20181009	15%	.3	-3.6	-2.2	-6.1	-10.2	-11.1	-14.1
20191209	14.4%	8.0	13.8	29.8	40.5	45.1	47.7	38.9
20201109	11.7%	2.8	3.6	4.9	10.6	15.1	8.9	22.7
20200402	11.2%	9.2	10.5	21.9	25.0	90.8	108.3	97.4
20200518	10.5%	1.0	7.8	16.0	18.3	33.6	45.9	32.3
20200219	10.4%	3.5	-9.6	-10.7	-13.1	-32.6	-38.7	-46.1
20200413	10.3%	.0	26.6	69.4	74.5	70.9	63.7	50.4
20200320	10%	4.8	.0	-8.7	8.3	9.6	20.9	23.9
20191031	-10.5%	3.9	6.2	-12.4	-16.5	-25.5	-25.0	-27.6
20160211	-11.2%	.7	6.5	7.0	7.8	15.7	17.2	18.2
20160324	-12.8%	.0	1.1	-2.2	-4.6	.7	-2.4	11.9
20200317	-13.7%	-24.7	-8.4	-12.5	-20.2	-5.3	-4.2	5.7
20200309	-21.2%	7.6	-4.0	-39.8	-26.7	-30.1	-36.2	-24.3
20200318	-24.7%	5.6	24.2	12.1	3.5	23.7	27.3	40.4
20190313	-47.4%	4.4	10.0	6.1	6.3	14.1	11.0	11.1

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

Of the 1,549 trading days from 2015 to 2020, there were 12 days in which AM was up more than 10%. 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 ≥ 10%	4.0	8.3	12.2	15.9	19.3	21.0	14.8

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

Of the 1,549 trading days from 2015 to 2020, there were 7 days in which AM was down more than -10%. This table shows the average price changes over the 7 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ -10%	-.4	5.1	-6.0	-7.2	-.9	-1.7	5.1

Table 10. Periods when AM moved 5% or more

In this table, we track the price movements in the 20 days after AM 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
20200417	23.5%	18.2	39.5	31.5	35.2	16.5	17.3	1.4
20200420	18.1%	4.6	14.2	8.2	13.2	-4.1	-1.0	-13.2
20200615	15.9%	-2.8	-2.8	-11.6	-18.1	-10.9	-5.7	-13.6
20160122	15%	-2.0	-.5	-2.4	2.2	7.6	-3.8	-2.1
20181009	15%	.3	-3.6	-2.2	-6.1	-10.2	-11.1	-14.1
20191209	14.4%	8.0	13.8	29.8	40.5	45.1	47.7	38.9
20201109	11.7%	2.8	3.6	4.9	10.6	15.1	8.9	22.7
20200402	11.2%	9.2	10.5	21.9	25.0	90.8	108.3	97.4
20200518	10.5%	1.0	7.8	16.0	18.3	33.6	45.9	32.3
20200219	10.4%	3.5	-9.6	-10.7	-13.1	-32.6	-38.7	-46.1
20200413	10.3%	.0	26.6	69.4	74.5	70.9	63.7	50.4
20200320	10%	4.8	.0	-8.7	8.3	9.6	20.9	23.9
20151222	9.8%	4.0	.8	4.9	1.6	-5.7	-7.7	-6.1
20200804	9.4%	5.5	13.1	7.8	11.1	11.1	6.8	4.0
20200403	9.2%	-1.6	1.2	11.6	41.4	89.2	94.8	90.8
20160226	8.7%	-.8	.5	-2.3	3.6	13.1	15.7	-2.8
20200520	8.6%	-1.8	3.2	9.1	18.7	35.8	17.6	35.8
20190909	8.3%	-.4	-.4	6.4	.8	2.5	-1.1	-2.2
20191212	8.2%	-1.2	12.7	22.0	26.0	28.2	20.6	17.4
20200422	8.2%	4.2	-1.7	1.1	-13.0	-12.3	-24.2	-14.4
20200715	8.2%	1.7	6.4	4.2	-3.5	3.3	19.1	21.5
20191210	7.9%	-1.4	7.7	22.9	29.4	33.2	36.8	33.3
20151005	7.8%	3.4	12.6	16.8	16.8	11.1	2.2	12.4
20151231	7.8%	.0	-7.8	-16.2	-8.5	-18.3	-12.3	-13.3
20191104	7.6%	-2.2	-14.4	-21.8	-30.4	-32.4	-32.9	-36.4
20200310	7.5%	-9.3	-13.8	-41.0	-30.5	-37.3	-42.1	-30.8
20190916	7.4%	-2.5	-5.2	-6.3	-4.5	-9.2	-12.5	-5.5
20151209	7.1%	-1.7	-16.2	-12.4	.3	-2.8	1.2	-2.0
20200205	7%	-6.4	-12.6	-16.8	-7.9	-13.4	-22.3	-20.8
20201210	6.9%
20180416	6.7%	.6	-1.8	-3.1	.1	-3.8	-.1	.2
20151002	6.5%	7.9	17.3	25.3	28.7	22.6	13.8	18.9
20160204	6.5%	-1.6	3.6	-7.5	-5.8	-4.1	7.7	7.5
20190104	6.5%	2.6	-.9	-2.0	.7	-.4	5.5	5.3
20201123	6.4%
20190815	6.3%	2.5	4.0	-3.4	-1.9	-5.3	-9.0	1.5
20200602	6.3%	3.6	18.5	2.6	18.5	18.5	7.8	-.2
20151029	6.1%	2.0	1.5	.3	-2.5	-.3	-4.4	-1.8
20190510	6.1%	-1.4	4.5	2.2	-.6	-4.5	-4.5	-1.7
20160419	6%	3.2	3.3	7.5	2.8	4.4	3.3	-.5
20200605	6%	5.3	-8.8	5.3	5.3	-4.2	-11.3	-3.5
20200810	6%	-4.9	-.7	-.7	-1.1	-5.0	-12.6	-18.5
20151103	5.8%	-3.0	-4.1	-6.9	-4.7	-8.6	-6.2	-8.3
20200228	5.8%	1.8	-5.0	-18.8	-27.5	-54.6	-44.7	-47.2
20200529	5.7%	-1.3	11.5	21.8	10.5	21.5	19.5	13.0
20150115	5.6%	2.0	3.0	7.1	4.9	11.7	11.7	6.6
20150930	5.6%	3.2	22.6	33.7	38.5	38.6	31.8	21.2
20161027	5.6%	-2.7	-9.1	-10.2	-7.3	-3.4	-5.8	-3.5
20191217	5.6%	5.5	14.2	18.0	20.1	13.0	10.0	13.8
20200313	5.6%	-3.5	-33.9	-22.2	-29.7	-35.1	-22.5	-20.3
20171130	5.5%	3.7	2.6	5.6	6.5	5.7	5.9	3.7
20191218	5.5%	2.2	7.6	10.8	13.8	10.9	5.5	11.1
20200319	5.5%	10.0	7.7	4.3	9.1	19.6	20.6	31.1
20200430	5.5%	.2	-13.7	-13.1	-24.8	-15.2	-9.5	-2.5
20200805	5.5%	-.1	1.9	6.4	6.4	6.0	1.7	-6.4
20200707	5.4%	-.2	-8.5	1.4	6.1	3.8	-3.8	2.9
20201005	5.4%	-1.6	5.5	13.2	16.9	16.7	13.2	2.0
20200608	5.3%	-2.2	-11.3	-2.4	-4.0	-9.2	-14.3	-7.9
20161115	5.2%	-2.2	2.3	-.2	-6.3	-3.8	-5.1	-3.6
20200526	5.1%	2.4	4.4	17.9	28.8	16.8	28.5	26.3
20200702	5%	.6	.4	-2.4	8.3	9.4	6.1	7.0
20150731	-5%	-2.4	-13.1	-15.6	-15.6	-18.4	-19.0	-13.4
20190805	-5%	-1.4	-8.3	-12.8	-2.1	-5.7	-14.0	-10.1
20200124	-5%	-.5	-16.2	-20.0	-20.4	-23.1	-28.8	-18.4
20200901	-5%	-2.8	-8.9	-14.0	-16.8	-16.8	-17.1	-14.5
20200709	-5.1%	-2.0	5.3	8.6	9.5	6.8	3.7	25.6
20190614	-5.2%	1.6	1.6	-4.9	-1.0	2.1	2.3	4.1
20200227	-5.2%	5.8	2.9	-20.1	-27.4	-36.2	-44.2	-45.4
20160502	-5.4%	.5	2.1	1.1	-2.7	.8	-1.5	3.6
20190809	-5.4%	-2.8	1.2	6.9	-.7	-4.1	-1.9	-1.4
20200303	-5.4%	1.0	-21.7	-28.8	-37.4	-45.2	-46.4	-48.1
20200624	-5.4%	-.2	-5.7	1.3	1.1	-1.7	9.1	10.2
20150310	-5.6%	1.7	-.4	1.7	-2.4	-1.1	-.7	1.4
20150805	-5.6%	-3.5	-6.2	-6.2	-9.4	-10.1	-3.8	-5.9
20151211	-5.7%	-9.7	-8.0	4.1	6.1	1.2	5.0	-5.2
20200221	-5.7%	-3.6	-13.4	-11.8	-12.2	-32.6	-35.9	-56.1
20160107	-5.9%	3.6	1.4	3.1	-12.1	.2	.3	-1.4
20161024	-6%	1.7	4.8	-2.0	-3.3	-.1	4.1	1.5
20181224	-6%	.0	4.2	6.9	19.4	15.3	14.0	17.1
20181217	-6.1%	-4.0	-13.7	-15.1	-15.6	-11.4	.1	-8.5
20191107	-6.1%	-4.0	-12.3	-22.0	-24.1	-24.8	-28.7	-28.5
20200129	-6.1%	-8.8	-13.0	-13.4	-16.3	-22.5	-11.2	-22.5
20200626	-6.1%	-1.2	7.5	13.8	4.3	15.6	20.9	18.3
20160120	-6.2%	-.5	13.4	13.6	11.7	16.8	9.3	13.3
20190725	-6.2%	-9.3	-12.5	-24.1	-26.4	-30.7	-27.8	-26.8
20191118	-6.3%	-4.2	-3.6	-7.0	-11.6	-10.0	10.8	16.8
20190919	-6.4%	2.1	.8	2.8	-2.2	-5.8	1.7	.6
20200121	-6.4%	-3.0	-9.0	-23.3	-26.9	-27.2	-29.7	-34.9
20200206	-6.4%	-.6	-4.0	-11.1	1.8	-11.1	-12.1	-14.5
20190906	-6.5%	8.4	6.3	13.2	10.0	8.7	10.8	5.4
20200102	-6.5%	.7	-2.0	1.4	6.8	-4.5	-12.7	-19.7
20160111	-6.7%	1.9	6.7	-8.6	2.5	4.1	2.0	6.9
20190729	-6.8%	2.7	-5.3	-11.3	-19.9	-16.6	-11.9	-18.2
20200312	-6.8%	5.7	-33.8	-19.4	-23.1	-29.8	-16.7	-15.7
20150105	-7%	-2.9	-8.4	-18.4	-12.1	-12.9	-8.9	-8.0
20170907	-7%	-.1	.8	.4	-.0	1.2	1.0	1.6
20200611	-7.3%	2.5	12.8	10.9	4.9	-1.0	6.4	6.2
20190801	-7.5%	-1.2	-7.4	-16.4	-12.9	-8.1	-14.6	-17.6
20181220	-7.7%	-3.2	-4.8	-5.4	-.7	12.3	2.6	4.3
20191111	-8.4%	2.8	-5.1	-14.9	-11.3	-17.4	-21.8	-20.4
20200325	-8.5%	2.2	-6.7	10.7	12.0	23.6	26.7	93.3
20160119	-8.6%	-6.3	5.1	6.8	4.7	9.7	15.4	3.2
20200130	-8.7%	-2.9	2.1	-8.3	-11.4	-14.8	-8.3	-16.2
20200915	-8.7%	2.5	2.5	2.1	5.4	2.1	9.6	16.5
20150929	-8.9%	5.6	25.3	36.2	45.5	49.5	42.3	32.2
20190726	-9.3%	-6.9	-10.8	-17.5	-23.3	-27.0	-18.1	-21.1
20200311	-9.3%	-6.9	-18.1	-28.3	-29.9	-32.1	-29.0	-22.1
20151214	-9.7%	.2	4.7	19.9	16.2	21.0	17.2	8.8
20200513	-9.7%	-4.0	8.3	15.6	24.5	26.9	43.3	56.5
20200506	-9.8%	-2.7	.5	-12.0	6.8	4.9	10.2	22.4
20191031	-10.5%	3.9	6.2	-12.4	-16.5	-25.5	-25.0	-27.6
20160211	-11.2%	.7	6.5	7.0	7.8	15.7	17.2	18.2
20160324	-12.8%	.0	1.1	-2.2	-4.6	.7	-2.4	11.9
20200317	-13.7%	-24.7	-8.4	-12.5	-20.2	-5.3	-4.2	5.7
20200309	-21.2%	7.6	-4.0	-39.8	-26.7	-30.1	-36.2	-24.3
20200318	-24.7%	5.6	24.2	12.1	3.5	23.7	27.3	40.4
20190313	-47.4%	4.4	10.0	6.1	6.3	14.1	11.0	11.1

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

Of the 1,549 trading days from 2015 to 2020, there were 61 days in which AM was up more than 5%. This table shows the average price changes over the 61 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ 5%	1.3	2.1	3.8	5.9	6.8	5.7	5.0

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

Of the 1,549 trading days from 2015 to 2020, there were 56 days in which AM was down more than -5%. This table shows the average price changes over the 56 days.

Average Type	Average Price Change
Days after:	1	4	7	10	13	16	19
Avg for Change ≥ -5%	-.9	-2.1	-4.9	-5.2	-5.1	-3.7	-2.0

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.