1.42
price down icon3.74%   -0.05
 
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Alector Inc Stock (ALEC) Option Chain

For the November 21, 2025 expiration date, the ALEC stock option chain has a total of 1,066 contracts, with 36 call options and 1,030 put options. This indicates a leaning towards calls, suggesting bullish sentiment.
Other Key Expiration Dates:
  • December 19, 2025 : 1 contracts.
  • January 16, 2026 : 0 contracts.
  • April 17, 2026 : 0 contracts.

Alector Inc (ALEC) Most Active Options & Calendar

ALEC Call Options Expiring November 21, 2025

Strike Price Change % Change Volume
favorite 5.00 0.05 0.00 - 36
favorite 0.50 0.00 0.00 - -
favorite 1.00 0.00 0.00 - -
favorite 1.50 0.00 0.00 - -
favorite 2.00 0.08 0.00 - -
favorite 2.50 0.05 0.00 - -
favorite 7.50 0.05 0.00 - -

ALEC Put Options Expiring November 21, 2025

Strike Price Change % Change Volume
favorite
1.50
0.10 -0.06 -37.50% 1,030
favorite
0.50
0.00 0.00 - -
favorite
1.00
0.00 0.00 - -
favorite
2.00
0.00 0.00 - -
favorite
2.50
1.15 0.00 - -
favorite
5.00
3.50 0.00 - -
favorite
7.50
0.00 0.00 - -

Alector Inc Stock (ALEC) Option Chain Analysis

Put Volume Total 1,030
Call Volume Total 36
Put/Call Ratio (PCR) 28.61
Put Strike With Highest Volume $1.50
Call Strike With Highest Volume $5.00
$37.49
price down icon 0.27%
$28.64
price up icon 0.10%
$100.80
price up icon 8.05%
$104.06
price up icon 0.13%
biotechnology ONC
$312.04
price up icon 0.52%
$183.82
price down icon 3.02%
Cap:     |  Volume (24h):