Geron Corporation (GERN)
NASDAQ: GERN
· Real-Time Price · USD
1.48
0.03 (2.07%)
At close: Aug 15, 2025, 10:02 AM
GERN Option Overview
Overview for all option chains of GERN. As of August 15, 2025, GERN options have an IV of 500% and an IV rank of 245.83%. The volume is 1,070 contracts, which is 64.15% of average daily volume of 1,668 contracts. The volume put-call ratio is 0.04, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
500%IV Rank
245.83%Historical Volatility
75.12%IV Low
75.5% on Sep 13, 2024IV High
248.18% on Aug 14, 2025Open Interest (OI)
Today's Open Interest
91,675Put-Call Ratio
0.1Put Open Interest
8,190Call Open Interest
83,485Open Interest Avg (30-day)
86,015Today vs Open Interest Avg (30-day)
106.58%Option Volume
Today's Volume
1,070Put-Call Ratio
0.04Put Volume
41Call Volume
1,029Volume Avg (30-day)
1,668Today vs Volume Avg (30-day)
64.15%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 |
| Aug 15, 2025 | 4 | 1 | 0.25 | 3,703 | 252 | 0.07 | 500% | 1.5 |
| Sep 19, 2025 | 534 | 40 | 0.07 | 12,051 | 4,250 | 0.35 | 188.53% | 1.5 |
| Oct 17, 2025 | 10 | 0 | 0 | 2,583 | 260 | 0.1 | 324.35% | 1 |
| Dec 19, 2025 | 152 | 0 | 0 | 1,106 | 229 | 0.21 | 119.18% | 1.5 |
| Jan 16, 2026 | 115 | 0 | 0 | 52,064 | 2,312 | 0.04 | 130.28% | 1.5 |
| Mar 20, 2026 | 0 | 0 | 0 | 188 | 5 | 0.03 | 134.43% | 1 |
| Jan 15, 2027 | 214 | 0 | 0 | 11,790 | 882 | 0.07 | 99.5% | 1 |