Generate Biomedicines (GENB) Options Chain
NASDAQ: GENBHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 40
- Share price
- $14.34
- Put/call ratio (OI)
- 0.65
- Put/call ratio (volume)
- 0.13
- Expected move
- ±$3.72
- Open interest (C / P)
- 20 / 13
GENB options summary
The GENB options chain for the November 20, 2026 expiration lists 4 call and 2 put contracts, with 40 days until expiration. Open interest stands at 20 calls and 13 puts, a put/call ratio of 0.65, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $15.00 strike is 78.3%, which implies the market expects a move of about ±$3.72 (25.9%) in Generate Biomedicines stock by expiration.
The most open interest sits at the $20.00 call (15 contracts) and the $12.50 put (13 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
GENB options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 10.00 | — | — | 0.20 | |||||
| 2.20 | — | — | 12.50 | 0.45 | 0.90 | 0.65 | |||||
| 1.28 | 0.90 | 1.55 | 15.00 | — | — | — | |||||
| 0.50 | — | — | 17.50 | — | — | — | |||||
| 0.20 | 0.05 | 0.30 | 20.00 | — | — | — | |||||
In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.
Frequently asked questions
What is the GENB put/call ratio?
For the November 20, 2026 expiration, the GENB put/call ratio based on open interest is 0.65 (13 puts vs 20 calls), and 0.13 based on today's volume. A ratio above 1 means more puts than calls.
What is GENB's implied volatility?
At-the-money implied volatility for GENB options expiring November 20, 2026 is about 78.3%, an annualized estimate of how much the market expects Generate Biomedicines stock to move.
How many GENB option expiration dates are there?
GENB has 4 listed expiration dates, from Oct 16, 2026 to Apr 16, 2027.
What does "in the money" mean?
A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.