Allogene Therapeutics (ALLO) Options Chain
NASDAQ: ALLOHealth CareBiotechnology: Biological Products (No Diagnostic Substances)USD
At close: Oct 8, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 8
- Share price
- $1.40
- Put/call ratio (OI)
- 0.01
- Put/call ratio (volume)
- 0.05
- ATM implied volatility
- 106.3%
- Expected move
- ±$0.2202
- Open interest (C / P)
- 1.77K / 10
ALLO options summary
The ALLO options chain for the October 16, 2026 expiration lists 6 call and 3 put contracts, with 8 days until expiration. Open interest stands at 1,766 calls and 10 puts, a put/call ratio of 0.01, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $1.50 strike is 106.3%, which implies the market expects a move of about ±$0.2202 (15.7%) in Allogene Therapeutics stock by expiration.
The most open interest sits at the $2.00 call (1.64K contracts) and the $2.00 put (9 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
ALLO options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 1.10 | 0.40 | 1.40 | 0.50 | — | — | — | |||||
| 0.54 | 0.00 | 0.90 | 1.00 | — | — | — | |||||
| 0.07 | 0.00 | 0.10 | 1.50 | — | — | 0.15 | |||||
| 0.05 | 0.00 | 0.05 | 2.00 | 0.10 | 1.10 | 0.30 | |||||
| 0.01 | 0.00 | 0.05 | 2.50 | — | — | — | |||||
| — | — | — | 5.00 | 1.10 | 6.00 | 3.58 | |||||
| 0.12 | 0.00 | 0.25 | 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 October 16, 2026 expiration, the ALLO put/call ratio based on open interest is 0.01 (10 puts vs 1,766 calls), and 0.05 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 October 16, 2026 is about 106.3%, 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.