Rio Tinto Group (RIO)
NYSE: RIO
· Real-Time Price · USD
60.34
-0.90 (-1.47%)
At close: Aug 18, 2025, 3:59 PM
61.44
1.81%
Pre-market: Aug 19, 2025, 07:09 AM EDT
RIO Gamma Exposure By Expiry
The total Gamma Exposure (GEX) for RIO across all expirations is 58,413.57 shares per 1% move, with 184,378.79 from calls and 125,965.22 from puts. The put-call GEX ratio of 0.68 reflects balanced positioning between puts and calls. The highest gamma concentration is at the Sep 19, 25 expiration with 49,216.23 net GEX, which may act as a magnet point for price action. Near-term exposure for Sep 19, 25 suggests potential support from positive gamma hedging flows.
RIO GEX Table
| Expiry Date | Call GEX | Put GEX | Net GEX | P/C GEX |
|---|---|---|---|---|
| Sep 19, 25 | 88,947.62 | -39,731.39 | 49,216.23 | 0.45 |
| Oct 17, 25 | 33,363.08 | -27,475.44 | 5,887.64 | 0.82 |
| Jan 16, 26 | 39,439.11 | -34,532.96 | 4,906.15 | 0.88 |
| Mar 20, 26 | 10,087.42 | -12,190 | -2,102.58 | 1.21 |
| Apr 17, 26 | 0 | -33.08 | -33.08 | n/a |
| Jun 18, 26 | 5,415.84 | -7,901.83 | -2,485.99 | 1.46 |
| Sep 18, 26 | 1,487.58 | -865.05 | 622.53 | 0.58 |
| Jan 15, 27 | 5,638.14 | -3,235.47 | 2,402.67 | 0.57 |