ATEXAnterix Inc.

$84.51+280% 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 +51% vs its 200-day average.

Insider conviction−$13.7M (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 interest8.7% of sharesFINRA · Sep 15, 2026

Heavily shorted, settled Sep 15, 2026, about a week of normal trading to cover. Up 2.0% since the previous count, down from 9.2% 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 returntop 1% of the market
vs 200-day avgtop 4% of the market

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

How ATEX is trading

Anterix Inc. is +280% over the past year while the S&P 500 is +18%: 262 points ahead of the market.

+280%

1-year return · S&P 500 +18%

vs 200-day average
+51%

vs 200-day average · a clear uptrend

RSI (14)
52

RSI (14) · neutral

Below its 52-week high
21%

Below its 52-week high

Sep 18, 2024$17.99 – $106.45 · dashed line: 200-day averageOct 9, 2026
Details›
Last close2026-10-09
$84.51
1 monthS&P 500 +2.7%
+2.3%
1 yearS&P 500 +18%
+280%
5 yearsS&P 500 +88%
+47%
vs 50-day average$87.07
−2.9%
52-week high
$106.44
52-week low
$17.99
Annualised volatility
58%
Insider buying, net, 6 monthsForms 3/4/5 to 2026-10-08
−$25M
Calendar-year price return
YearReturn
2026 (year to date)+287%
2025−29%
2024−8.0%
2023+3.6%
2022−45%
2021+56%
2020−13%
2019+16%
2018+16%
2017+42%
Average return by calendar month, 2016–2026
MonthYearsPositiveAverage
Jan105 of 10+1.6%
Feb107 of 10+13%
Mar104 of 10−2.4%
Apr105 of 10+3.0%
May106 of 10+2.4%
Jun103 of 10+3.2%
Jul116 of 11+1.1%
Aug117 of 11+3.1%
Sep114 of 11−5.7%
Oct116 of 11+2.4%
Nov106 of 10+1.8%
Dec104 of 10−0.39%

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.