Geron Corporation (GERN)
NASDAQ: GERN
· Real-Time Price · USD
1.35
-0.03 (-2.17%)
At close: Oct 03, 2025, 3:59 PM
1.37
1.48%
After-hours: Oct 03, 2025, 06:28 PM EDT
GERN Option Overview
Overview for all option chains of GERN. As of October 03, 2025, GERN options have an IV of 172.98% and an IV rank of 63.6%. The volume is 925 contracts, which is 150.16% of average daily volume of 616 contracts. The volume put-call ratio is 0.03, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
172.98%IV Rank
63.6%Historical Volatility
45.25%IV Low
92.12% on Oct 08, 2024IV High
219.25% on Feb 28, 2025Open Interest (OI)
Today's Open Interest
83,821Put-Call Ratio
0.05Put Open Interest
4,093Call Open Interest
79,728Open Interest Avg (30-day)
79,201Today vs Open Interest Avg (30-day)
105.83%Option Volume
Today's Volume
925Put-Call Ratio
0.03Put Volume
26Call Volume
899Volume Avg (30-day)
616Today vs Volume Avg (30-day)
150.16%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 | 2 | 0 | 0 | 6,528 | 223 | 0.03 | 172.98% | 1 |
| Nov 21, 2025 | 201 | 0 | 0 | 62 | 10 | 0.16 | 148.59% | 1 |
| Dec 19, 2025 | 71 | 20 | 0.28 | 2,803 | 233 | 0.08 | 115.66% | 1.5 |
| Jan 16, 2026 | 217 | 6 | 0.03 | 53,340 | 2,531 | 0.05 | 121.98% | 1.5 |
| Mar 20, 2026 | 180 | 0 | 0 | 1,786 | 11 | 0.01 | 121.13% | 1 |
| Jan 15, 2027 | 228 | 0 | 0 | 15,209 | 1,085 | 0.07 | 105.45% | 1 |