Alector (ALEC) Options Chain
NASDAQ: ALECHealth 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
- $2.08
- Put/call ratio (OI)
- 0.11
- Put/call ratio (volume)
- 0.50
- Open interest (C / P)
- 37 / 4
ALEC options summary
The ALEC options chain for the November 20, 2026 expiration lists 5 call and 3 put contracts, with 40 days until expiration. Open interest stands at 37 calls and 4 puts, a put/call ratio of 0.11, which is tilted bullish, with calls outnumbering puts. The most open interest sits at the $2.50 call (32 contracts) and the $2.50 put (4 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
ALEC options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.95 | — | — | 1.00 | — | — | — | |||||
| 0.85 | — | — | 1.50 | — | — | 0.10 | |||||
| 0.18 | — | — | 2.00 | — | — | 0.20 | |||||
| 0.05 | 0.00 | 0.35 | 2.50 | 0.25 | 1.25 | 0.75 | |||||
| 0.05 | 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 ALEC put/call ratio?
For the November 20, 2026 expiration, the ALEC put/call ratio based on open interest is 0.11 (4 puts vs 37 calls), and 0.50 based on today's volume. A ratio above 1 means more puts than calls.
How many ALEC option expiration dates are there?
ALEC 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.