Option chain for Alector (ALEC): calls and puts for every expiration and strike, with quotes, volume, open interest, implied volatility and greeks. As of Nov 6, 2026, ALEC had 4 option expirations, from Nov 20, 2026 to Apr 16, 2027, and 86 contracts traded that day. The nearest expiration, Nov 20, 2026, had an at-the-money implied volatility of 94.8% (+43% on the day) and 21 contracts traded; the busiest was Dec 18, 2026, with 32.

For the latest figures, see ALEC options overview.

Key numbers

Expirations: at-the-money implied volatility, change on the day, volume

Nov 20, 2026 (14 days): ATM IV 94.8% (+43%), volume 21
Dec 18, 2026 (42 days): ATM IV 83.6% (-13%), volume 32
Jan 15, 2027 (70 days): ATM IV 72.3% (-24%), volume 26
Apr 16, 2027 (161 days): ATM IV 83.9% (-11%), volume 7

Data as of November 6, 2026.

ALEC Option Chain

Detailed and comprehensive option chain for each expiration listed for ALEC. Includes volume, open interest, implied volatility, and bid/ask for each strike. Investigate further by clicking on a strike and seeing trade activity, volatility movement, and yesterday's closing values. Use the built-in options profit calculator to see the profit or loss of any ALEC options strategy.

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