OSISOSI Systems, Inc.
What is the market doing?
The market is leaning against it: in a downtrend (−21% vs 200-day) and heavily shorted (+12% of shares).
In a downtrend, below its 50- and 200-day averages. Price is −21% vs its 200-day average.
Heavily shorted, settled Sep 15, 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.
Where this answer is blind. Insider selling is often routine (taxes, diversification); only cluster buying is a strong tell.
How OSIS is trading
OSI Systems, Inc. is −17% over the past year while the S&P 500 is +18%: 35 points behind the market.
1-year return · S&P 500 +18%
- vs 200-day average
- −21%
vs 200-day average · a clear downtrend
- RSI (14)
- 40
RSI (14) · neutral
- Below its 52-week high
- 37%
Below its 52-week high
Details›
- Last close2026-10-09
- $194.91
- 1 monthS&P 500 +2.7%
- −3.3%
- 1 yearS&P 500 +18%
- −17%
- 5 yearsS&P 500 +88%
- +109%
- vs 50-day average$209.66
- −7.0%
- 52-week high
- $309.68
- 52-week low
- $192.27
- Annualised volatility
- 42%
| Year | Return |
|---|---|
| 2026 (year to date) | −24% |
| 2025 | +52% |
| 2024 | +30% |
| 2023 | +62% |
| 2022 | −15% |
| 2021 | −0.02% |
| 2020 | −7.5% |
| 2019 | +37% |
| 2018 | +14% |
| 2017 | −15% |
| Month | Years | Positive | Average |
|---|---|---|---|
| Jan | 10 | 4 of 10 | +2.8% |
| Feb | 10 | 5 of 10 | +0.88% |
| Mar | 10 | 6 of 10 | −0.03% |
| Apr | 10 | 7 of 10 | +2.1% |
| May | 10 | 8 of 10 | +3.2% |
| Jun | 10 | 6 of 10 | +2.0% |
| Jul | 11 | 7 of 11 | +2.4% |
| Aug | 11 | 6 of 11 | +1.6% |
| Sep | 11 | 3 of 11 | −2.5% |
| Oct | 11 | 4 of 11 | −0.78% |
| Nov | 10 | 7 of 10 | +8.0% |
| Dec | 10 | 6 of 10 | −3.1% |
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.
Electronic Components
Ranks #5 of 25 by RyuScore