ALX Oncology (ALXO) Options Chain

NASDAQ: ALXOHealth CareBiotechnology: Pharmaceutical PreparationsUSD

1.25+0.07 (+5.93%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: May 21, 2027
Days to expiration: 222
Share price: $1.25
Put/call ratio (OI): 1.86
Put/call ratio (volume): 1.00
Open interest (C / P): 21 / 39

ALXO options summary

The ALXO options chain for the May 21, 2027 expiration lists 4 call and 2 put contracts, with 222 days until expiration. Open interest stands at 21 calls and 39 puts, a put/call ratio of 1.86, which is more bearish, with puts outnumbering calls. The most open interest sits at the $5.00 call (20 contracts) and the $2.00 put (39 contracts).

Summary generated from market data by MetaCap's automated system. Methodology

ALXO options chain · May 21, 2027

ALXO calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
ALXO $1.25
—	—	—	0.20	—	—	1.50	—	—	0.61	—	—	—
1	—	178.5%	0.40	0.00	1.00	2.00	0.55	1.55	0.96	125.8%	20	39
—	—	—	0.10	—	—	3.00	—	—	—	—	—	—
20	20	242.6%	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 May 21, 2027 expiration, the ALXO put/call ratio based on open interest is 1.86 (39 puts vs 21 calls), and 1.00 based on today's volume. A ratio above 1 means more puts than calls.

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.