Allogene Therapeutics (ALLO) Options Chain
NASDAQ: ALLOHealth CareBiotechnology: Biological Products (No Diagnostic Substances)USD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 40
- Share price
- $1.46
- Put/call ratio (OI)
- 0.13
- Put/call ratio (volume)
- 0.81
- ATM implied volatility
- 128.9%
- Expected move
- ±$0.623
- Open interest (C / P)
- 5.40K / 690
ALLO options summary
The ALLO options chain for the November 20, 2026 expiration lists 7 call and 6 put contracts, with 40 days until expiration. Open interest stands at 5,402 calls and 690 puts, a put/call ratio of 0.13, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $1.50 strike is 128.9%, which implies the market expects a move of about ±$0.623 (42.7%) in Allogene Therapeutics stock by expiration.
The most open interest sits at the $2.00 call (2.74K contracts) and the $2.00 put (558 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
ALLO options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 1.00 | 0.50 | 1.50 | 0.50 | 0.00 | 0.00 | 0.05 | |||||
| 0.39 | 0.10 | 1.00 | 1.00 | 0.00 | 0.25 | 0.08 | |||||
| 0.15 | 0.10 | 0.20 | 1.50 | 0.00 | 0.70 | 0.15 | |||||
| 0.10 | 0.00 | 0.10 | 2.00 | 0.00 | 0.75 | 0.45 | |||||
| 0.05 | 0.00 | 0.25 | 2.50 | 0.55 | 1.50 | 0.58 | |||||
| 0.02 | 0.00 | 0.05 | 5.00 | 2.60 | 3.60 | 3.20 | |||||
| 0.05 | 0.00 | 0.05 | 7.50 | — | — | — | |||||
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 ALLO put/call ratio?
For the November 20, 2026 expiration, the ALLO put/call ratio based on open interest is 0.13 (690 puts vs 5,402 calls), and 0.81 based on today's volume. A ratio above 1 means more puts than calls.
What is ALLO's implied volatility?
At-the-money implied volatility for ALLO options expiring November 20, 2026 is about 128.9%, an annualized estimate of how much the market expects Allogene Therapeutics stock to move.
How many ALLO option expiration dates are there?
ALLO has 4 listed expiration dates, from Oct 16, 2026 to May 21, 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.