MIRMirion Technologies, Inc.

$14.82-39% 1Y

What is the market doing?

Mixed

No clear lean: insiders net buying, but in a downtrend (−21% vs 200-day) and a crowded short (+16% of shares).

1 good, 2 to watch
TrendDowntrendderived · Oct 23, 2026

In a downtrend, below its 50- and 200-day averages. Price is −21% vs its 200-day average.

Insider conviction+$312K (90 days to Oct 22, 2026)SEC EDGAR · Oct 22, 2026

Insiders were net buyers over the 90 days ending Oct 22, 2026.

Short interest16% of sharesFINRA · Sep 30, 2026

A crowded short, settled Sep 30, 2026, more than a week of normal trading to cover, a crowded exit.

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 returnbottom 8% of the market
vs 200-day avgbehind 85% of the market

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

How MIR is trading

Mirion Technologies, Inc. is −39% over the past year while the S&P 500 is +16%: 55 points behind the market. Through the fall, its own insiders bought $147K more stock than they sold.

−39%

1-year return · S&P 500 +16%

vs 200-day average
−21%

vs 200-day average · a clear downtrend

RSI (14)
49

RSI (14) · neutral

Below its 52-week high
50%

Below its 52-week high

Oct 15, 2024$10.50 – $29.75 · dashed line: 200-day averageOct 23, 2026
Details›
Last close2026-10-23
$14.82
1 monthS&P 500 −0.94%
−5.7%
1 yearS&P 500 +16%
−39%
5 yearsS&P 500 +86%
+48%
vs 50-day average$15.57
−4.8%
52-week high
$29.75
52-week low
$14.12
Annualised volatility
51%
Insider buying, net, 6 monthsForms 3/4/5 to 2026-10-22
$147K
Calendar-year price return
YearReturn
2026 (year to date)−37%
2025+34%
2024+70%
2023+55%
2022−37%
2021−3.9%
Average return by calendar month, 2020–2026
MonthYearsPositiveAverage
Jan63 of 6−0.72%
Feb64 of 6+1.4%
Mar61 of 6−4.8%
Apr62 of 6+0.39%
May62 of 6+1.7%
Jun63 of 6−1.4%
Jul62 of 6−0.13%
Aug63 of 6+1.3%
Sep74 of 7+0.85%
Oct75 of 7+8.8%
Nov64 of 6+2.7%
Dec64 of 6+2.4%

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.

Where the price stands

Its trend against the 50-day and 200-day averages, and the levels it keeps coming back to.

What it has returned

With dividends, year by year, month by month, and by calendar month on average.