Generation Bio Co. (GBIO)
NASDAQ: GBIO
· Real-Time Price · USD
6.34
0.20 (3.26%)
At close: Oct 03, 2025, 3:59 PM
6.35
0.16%
After-hours: Oct 03, 2025, 06:38 PM EDT
GBIO Option Overview
Overview for all option chains of GBIO. As of October 05, 2025, GBIO options have an IV of 4.83% and an IV rank of n/a. The volume is 0 contracts, which is n/a of average daily volume of 0 contracts. The volume put-call ratio is 0, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
4.83%IV Rank
< 0.01%Historical Volatility
50.59%IV Low
8.85% on Jul 25, 2025IV High
500% on Feb 21, 2025Open Interest (OI)
Today's Open Interest
0Put-Call Ratio
0Put Open Interest
0Call Open Interest
0Open Interest Avg (30-day)
0Today vs Open Interest Avg (30-day)
n/aOption Volume
Today's Volume
0Put-Call Ratio
0Put Volume
0Call Volume
0Volume Avg (30-day)
0Today vs Volume Avg (30-day)
n/aOption Chain Statistics
This table provides a comprehensive overview of all GBIO 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 | 0 | 0 | 0 | 0 | 0 | 0 | 4.83% | 2.5 |
| Jan 16, 2026 | 0 | 0 | 0 | 0 | 0 | 0 | 1.84% | 2.5 |
| Dec 18, 2026 | 0 | 0 | 0 | 0 | 0 | 0 | 18.74% | 40 |