Geron Corporation (GERN)
NASDAQ: GERN
· Real-Time Price · USD
1.27
-0.05 (-3.79%)
At close: Sep 12, 2025, 3:59 PM
1.30
2.36%
After-hours: Sep 12, 2025, 07:23 PM EDT
GERN Gamma Exposure By Expiry
The total Gamma Exposure (GEX) for GERN across all expirations is 39,734.41 shares per 1% move, with 43,986.32 from calls and 4,251.91 from puts. The put-call GEX ratio of 0.10 shows call-heavy positioning, potentially creating volatility as market makers hedge by selling into strength and buying weakness.
GERN GEX Table
| Expiry Date | Call GEX | Put GEX | Net GEX | P/C GEX |
|---|---|---|---|---|
| Sep 19, 25 | 12,876.83 | -2,734.12 | 10,142.71 | 0.21 |
| Oct 17, 25 | 2,491.04 | -5.8 | 2,485.24 | 0.00 |
| Dec 19, 25 | 1,217.93 | -364.07 | 853.86 | 0.30 |
| Jan 16, 26 | 23,003.36 | -820.81 | 22,182.55 | 0.04 |
| Mar 20, 26 | 375.74 | -4.98 | 370.76 | 0.01 |
| Jan 15, 27 | 4,021.42 | -322.13 | 3,699.29 | 0.08 |