OSI Systems Inc. (OSIS)
OSIS Daily Gamma Exposure
Current Gamma Exposure (GEX) is 495.39999999999986, which is 45% above the 3M average of 341.46777777777777. Over this period, GEX peaked at 748.61 on Jul 9, 2025 and bottomed at -921.2900000000002 on Aug 5, 2025, showing a shift between positive and negative gamma regimes. The exposure has been increasing recently, suggesting growing dealer hedging that could dampen volatility. Today's put-call gamma ratio of 0.75 is below the recent average of 1.11, indicating call-heavy positioning. High GEX volatility (±500.5396543275277) suggests frequent repositioning and potential regime changes.
GEX History
| Date | Call GEX | Put GEX | Net GEX | P/C GEX |
|---|---|---|---|---|
| Aug 13, 2025 | 1,987.34 | -1,491.94 | 495.4 | 0.75 |
| Aug 12, 2025 | 1,897.31 | -1,765.42 | 131.89 | 0.93 |
| Aug 11, 2025 | 1,744.29 | -2,482.22 | -737.93 | 1.42 |
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