ALX Oncology (ALXO) Options Chain
NASDAQ: ALXOHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Pre-market: 1.20 -4.00%
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 39
- Share price
- $1.25
- Put/call ratio (OI)
- 0.00
- Put/call ratio (volume)
- 0.00
- Expected move
- ±$0.2043
- Open interest (C / P)
- 11 / 0
ALXO options summary
The ALXO options chain for the November 20, 2026 expiration lists 4 call and 0 put contracts, with 39 days until expiration. Open interest stands at 11 calls and 0 puts, a put/call ratio of 0.00, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $2.00 strike is 50.0%, which implies the market expects a move of about ±$0.2043 (16.3%) in ALX Oncology stock by expiration.
Summary generated from market data by MetaCap's automated system. Methodology
ALXO options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.51 | 0.00 | 0.00 | 2.00 | — | — | — | |||||
| 0.15 | 0.00 | 0.00 | 3.00 | — | — | — | |||||
| 0.05 | 0.00 | 0.00 | 4.00 | — | — | — | |||||
| 0.20 | 0.00 | 1.00 | 5.00 | — | — | — | |||||
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 ALXO put/call ratio?
For the November 20, 2026 expiration, the ALXO put/call ratio based on open interest is 0.00 (0 puts vs 11 calls), and 0.00 based on today's volume. A ratio above 1 means more puts than calls.
What is ALXO's implied volatility?
At-the-money implied volatility for ALXO options expiring November 20, 2026 is about 50.0%, an annualized estimate of how much the market expects ALX Oncology stock to move.
How many ALXO option expiration dates are there?
ALXO has 5 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.