AMAntero Midstream Corporation

$21.09+18% 1Y

What is the market doing?

Mixed

No clear lean: rangebound and insiders net selling (often routine).

3 neutral
TrendRangeboundderived · Oct 9, 2026

Choppy, but holding above its 200-day average. Price is +1% vs its 200-day average.

Insider conviction−$459K (90 days to Oct 8, 2026)SEC EDGAR · Oct 8, 2026

Insiders were net sellers over the 90 days ending Oct 8, 2026; selling is often routine (taxes, diversification).

Short interest2.5% of sharesFINRA · Sep 15, 2026

Lightly shorted, settled Sep 15, 2026, about a week of normal trading to cover. Up 9.0% since the previous count, up from 2.4% of shares outstanding three months ago.

Against the whole market›

Percentile against every name Ryufin tracks. Higher is better; the tick marks the middle of the market. Context, not one of the checks above.

1-year returnmiddle of the market
vs 200-day avgmiddle of the market

Where this answer is blind. Insider selling is often routine (taxes, diversification); only cluster buying is a strong tell.

How AM is trading

Antero Midstream Corporation is +18% over the past year while the S&P 500 is +18%: 0.65 points behind the market.

+18%

1-year return · S&P 500 +18%

vs 200-day average
+0.78%

vs 200-day average · close to trend

RSI (14)
51

RSI (14) · neutral

Below its 52-week high
9.7%

Below its 52-week high

Sep 18, 2024$12.29 – $23.36 · dashed line: 200-day averageOct 9, 2026
Details›
Last close2026-10-09
$21.09
1 monthS&P 500 +2.7%
−5.3%
1 yearS&P 500 +18%
+18%
5 yearsS&P 500 +88%
+190%
vs 50-day average$21.69
−2.8%
52-week high
$23.36
52-week low
$16.77
Annualised volatility
24%
Insider buying, net, 6 monthsForms 3/4/5 to 2026-10-08
−$2.0M
Calendar-year price return
YearReturn
2026 (year to date)+21%
2025+24%
2024+28%
2023+26%
2022+22%
2021+40%
2020+28%
2019−24%
2018−42%
Average return by calendar month, 2017–2026
MonthYearsPositiveAverage
Jan97 of 9+2.9%
Feb95 of 9+1.7%
Mar96 of 9−3.9%
Apr94 of 9+14%
May97 of 9+4.5%
Jun106 of 10+1.3%
Jul104 of 10+0.26%
Aug106 of 10−1.8%
Sep106 of 10−1.0%
Oct105 of 10+0.90%
Nov95 of 9−0.28%
Dec93 of 9+5.4%

End-of-day closes from IEX; the S&P 500 comparison uses SPY over the same window. Prices are a reference point, not a basis for trading decisions.