Geron Corporation (GERN)
NASDAQ: GERN
· Real-Time Price · USD
1.35
-0.03 (-2.17%)
At close: Oct 03, 2025, 3:59 PM
1.36
0.74%
After-hours: Oct 03, 2025, 07:56 PM EDT
GERN Option Overview
Overview for all option chains of GERN. As of October 05, 2025, GERN options have an IV of 242.6% and an IV rank of 118.36%. The volume is 2,317 contracts, which is 319.15% of average daily volume of 726 contracts. The volume put-call ratio is 0.09, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
242.6%IV Rank
100%Historical Volatility
44.5%IV Low
92.12% on Oct 08, 2024IV High
219.25% on Feb 28, 2025Open Interest (OI)
Today's Open Interest
84,466Put-Call Ratio
0.05Put Open Interest
4,098Call Open Interest
80,368Open Interest Avg (30-day)
79,776Today vs Open Interest Avg (30-day)
105.88%Option Volume
Today's Volume
2,317Put-Call Ratio
0.09Put Volume
189Call Volume
2,128Volume Avg (30-day)
726Today vs Volume Avg (30-day)
319.15%Option Chain Statistics
This table provides a comprehensive overview of all GERN options grouped by their expiration dates.
| Expiration | Call Vol | Put Vol | P/C Vol | Call OI | Put OI | P/C OI | Implied Volatility | Max Pain |
| Oct 17, 2025 | 1,671 | 10 | 0.01 | 6,528 | 223 | 0.03 | 242.6% | 1 |
| Nov 21, 2025 | 5 | 1 | 0.2 | 263 | 10 | 0.04 | 103.37% | 1 |
| Dec 19, 2025 | 75 | 132 | 1.76 | 2,748 | 233 | 0.08 | 115.54% | 1.5 |
| Jan 16, 2026 | 197 | 35 | 0.18 | 53,554 | 2,536 | 0.05 | 141.41% | 1.5 |
| Mar 20, 2026 | 61 | 10 | 0.16 | 1,952 | 11 | 0.01 | 101.39% | 1 |
| Jan 15, 2027 | 119 | 1 | 0.01 | 15,323 | 1,085 | 0.07 | 103.22% | 1 |