ALGMAllegro MicroSystems, Inc.

$35.57+13% 1Y

What is the market doing?

Mixed

No clear lean: nothing decisive, though in a downtrend (−9% vs 200-day).

1 to watch, 2 neutral
TrendDowntrendderived · Oct 9, 2026

In a downtrend, below its 50- and 200-day averages. Price is −9% vs its 200-day average.

Insider conviction−$147K (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 interest5.6% of sharesFINRA · Sep 15, 2026

Moderately shorted, settled Sep 15, 2026, about a week of normal trading to cover. Down 19% since the previous count, down from 7.3% 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 avgbehind 69% of the market

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

How ALGM is trading

Allegro MicroSystems, Inc. is +13% over the past year while the S&P 500 is +18%: 5.2 points behind the market.

+13%

1-year return · S&P 500 +18%

vs 200-day average
−8.5%

vs 200-day average · below trend, but not far

RSI (14)
50

RSI (14) · neutral

Below its 52-week high
42%

Below its 52-week high

Sep 18, 2024$16.53 – $61.58 · dashed line: 200-day averageOct 9, 2026
Details›
Last close2026-10-09
$35.57
1 monthS&P 500 +2.7%
+0.78%
1 yearS&P 500 +18%
+13%
5 yearsS&P 500 +88%
+4.7%
vs 50-day average$38.05
−6.5%
52-week high
$61.58
52-week low
$22.80
Annualised volatility
62%
Insider buying, net, 6 monthsForms 3/4/5 to 2026-10-08
−$3.6M
Calendar-year price return
YearReturn
2026 (year to date)+35%
2025+21%
2024−28%
2023+0.83%
2022−17%
2021+36%
Average return by calendar month, 2020–2026
MonthYearsPositiveAverage
Jan64 of 6+7.7%
Feb63 of 6+3.6%
Mar62 of 6−1.6%
Apr62 of 6−0.45%
May65 of 6+9.2%
Jun64 of 6+9.2%
Jul62 of 6−2.6%
Aug62 of 6−6.8%
Sep62 of 6−4.4%
Oct63 of 6−1.4%
Nov64 of 6+7.6%
Dec64 of 6+5.7%

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.