Geron Corporation (GERN)
NASDAQ: GERN
· Real-Time Price · USD
1.27
-0.05 (-3.79%)
At close: Sep 12, 2025, 3:59 PM
1.29
1.57%
After-hours: Sep 12, 2025, 06:02 PM EDT
GERN Option Overview
Overview for all option chains of GERN. As of September 11, 2025, GERN options have an IV of 276.06% and an IV rank of 138%. The volume is 462 contracts, which is 62.77% of average daily volume of 736 contracts. The volume put-call ratio is 0.47, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
276.06%IV Rank
138%Historical Volatility
67.11%IV Low
75.5% on Sep 13, 2024IV High
220.83% on Aug 14, 2025Open Interest (OI)
Today's Open Interest
96,587Put-Call Ratio
0.11Put Open Interest
9,455Call Open Interest
87,132Open Interest Avg (30-day)
92,339Today vs Open Interest Avg (30-day)
104.6%Option Volume
Today's Volume
462Put-Call Ratio
0.47Put Volume
148Call Volume
314Volume Avg (30-day)
736Today vs Volume Avg (30-day)
62.77%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 |
Sep 19, 2025 | 22 | 60 | 2.73 | 14,777 | 5,494 | 0.37 | 276.06% | 1.5 |
Oct 17, 2025 | 22 | 12 | 0.55 | 3,419 | 270 | 0.08 | 135.65% | 1 |
Dec 19, 2025 | 41 | 62 | 1.51 | 1,786 | 232 | 0.13 | 144% | 1.5 |
Jan 16, 2026 | 122 | 0 | 0 | 52,803 | 2,460 | 0.05 | 115.22% | 1.5 |
Mar 20, 2026 | 4 | 0 | 0 | 591 | 6 | 0.01 | 105.25% | 1 |
Jan 15, 2027 | 103 | 14 | 0.14 | 13,756 | 993 | 0.07 | 99.32% | 1 |