UCTTUltra Clean Holdings, Inc.
What is the market doing?
No clear lean: rangebound and heavily shorted.
Choppy, but holding above its 200-day average. Price is +1% vs its 200-day average.
Heavily shorted, settled Sep 15, 2026, about a week of normal trading to cover. Level with the previous count, up from 7.7% 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 UCTT is trading
Ultra Clean Holdings, Inc. is +148% over the past year while the S&P 500 is +18%: 130 points ahead of the market.
1-year return · S&P 500 +18%
- vs 200-day average
- +1.1%
vs 200-day average · close to trend
- RSI (14)
- 42
RSI (14) · neutral
- Below its 52-week high
- 44%
Below its 52-week high
Details›
- Last close2026-10-09
- $68.65
- 1 monthS&P 500 +2.7%
- −3.5%
- 1 yearS&P 500 +18%
- +148%
- 5 yearsS&P 500 +88%
- +48%
- vs 50-day average$76.11
- −9.8%
- 52-week high
- $123.14
- 52-week low
- $21.65
- Annualised volatility
- 75%
- Insider buying, net, 6 monthsForms 3/4/5 to 2026-10-08
- −$4.4M
| Year | Return |
|---|---|
| 2026 (year to date) | +171% |
| 2025 | −30% |
| 2024 | +5.3% |
| 2023 | +3.0% |
| 2022 | −42% |
| 2021 | +84% |
| 2020 | +33% |
| 2019 | +177% |
| 2018 | −63% |
| 2017 | +138% |
| Month | Years | Positive | Average |
|---|---|---|---|
| Jan | 10 | 7 of 10 | +16% |
| Feb | 10 | 4 of 10 | +0.44% |
| Mar | 10 | 5 of 10 | +0.25% |
| Apr | 10 | 4 of 10 | +0.56% |
| May | 10 | 10 of 10 | +10% |
| Jun | 10 | 6 of 10 | +5.4% |
| Jul | 11 | 6 of 11 | +1.9% |
| Aug | 11 | 3 of 11 | −5.9% |
| Sep | 11 | 6 of 11 | +2.8% |
| Oct | 11 | 5 of 11 | +1.2% |
| Nov | 10 | 7 of 10 | +8.9% |
| Dec | 10 | 4 of 10 | +1.8% |
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 #13 of 18 by RyuScore