AEHRAehr Test Systems, Inc.
What is the market doing?
No clear lean: nothing decisive, though a crowded short (+17% of shares).
Choppy, but holding above its 200-day average. Price is +25% vs its 200-day average.
Insiders were net sellers over the 90 days ending Oct 8, 2026; selling is often routine (taxes, diversification).
A crowded short, settled Sep 15, 2026, a few days of normal trading to cover. Up 18% since the previous count, up from 13.0% 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.
Where this answer is blind. Insider selling is often routine (taxes, diversification); only cluster buying is a strong tell.
How AEHR is trading
Aehr Test Systems, Inc. is +183% over the past year while the S&P 500 is +18%: 164 points ahead of the market.
1-year return · S&P 500 +18%
- vs 200-day average
- +25%
vs 200-day average · a clear uptrend
- RSI (14)
- 39
RSI (14) · neutral
- Below its 52-week high
- 42%
Below its 52-week high
Details›
- Last close2026-10-09
- $84.67
- 1 monthS&P 500 +2.7%
- −8.9%
- 1 yearS&P 500 +18%
- +183%
- 5 yearsS&P 500 +88%
- +666%
- vs 50-day average$97.61
- −13%
- 52-week high
- $145.10
- 52-week low
- $19.40
- Annualised volatility
- 117%
- Insider buying, net, 6 monthsForms 3/4/5 to 2026-10-08
- −$60M
| Year | Return |
|---|---|
| 2026 (year to date) | +319% |
| 2025 | +21% |
| 2024 | −37% |
| 2023 | +32% |
| 2022 | −17% |
| 2021 | +856% |
| 2020 | +26% |
| 2019 | +42% |
| 2018 | −48% |
| 2017 | +12% |
| Month | Years | Positive | Average |
|---|---|---|---|
| Jan | 10 | 3 of 10 | −4.7% |
| Feb | 10 | 7 of 10 | +19% |
| Mar | 10 | 0 of 10 | −13% |
| Apr | 10 | 5 of 10 | +12% |
| May | 10 | 7 of 10 | +6.8% |
| Jun | 10 | 5 of 10 | +6.2% |
| Jul | 11 | 8 of 11 | +23% |
| Aug | 11 | 7 of 11 | +11% |
| Sep | 11 | 6 of 11 | +14% |
| Oct | 11 | 4 of 11 | +0.68% |
| Nov | 10 | 3 of 10 | −2.2% |
| Dec | 10 | 6 of 10 | +8.0% |
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.
Semiconductor Equipment & Materials
Ranks #18 of 18 by RyuScore