Alector Inc
Alector Inc (ALEC) Option Chain
As of September 18, 2026, Alector Inc is trading at $1.91, a +3.25% change from the previous close. The nearest expiration is Oct 16, 2026. Implied volatility is 209.1%. IV Rank is 58%.
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Tracking the ALEC option chain helps you see every strike and expiry on Alector Inc in one view, so you can quickly identify the contracts that fit your thesis and your risk. Alector Inc's option chain lays out bids, asks, volume, open interest, and Greeks across calls and puts, giving you the full map of ALEC options activity at a glance. Use our scanner to monitor the ALEC option chain in real time and filter for the ALEC options trades that actually meet your criteria.
An option chain is the complete listing of all available option contracts on an underlying, organized by expiration date and strike price. For ALEC stock options, the chain shows side-by-side call and put data, making it easy to compare premiums, assess liquidity, and spot pricing dislocations. Reading the ALEC option chain effectively means looking beyond the last price — implied volatility by strike, volume-to-open-interest ratios, and bid-ask spreads all tell you where ALEC stock options are being actively traded and where they are not.
Alector, Inc., a clinical stage biopharmaceutical company, develops therapies for the treatment of neurodegeneration diseases. Its products include AL001, a humanized recombinant monoclonal antibody, which is in Phase III clinical trial for the treatment of frontotemporal dementia, Alzheimer's, Parkinson's, and amyotrophic lateral sclerosis diseases; and AL101 that is in Phase I clinical trial for the treatment of neurodegenerative diseases, including Alzheimer's and Parkinson's diseases. The company also offers AL002, a product candidate that is in Phase II clinical trial for the treatment of Alzheimer's disease; and AL003, which is in Phase I clinical trial for the treatment of Alzheimer's disease.
In addition, its products in development stage include AL044 that targets MS4A4A, a risk gene for Alzheimer's disease. Alector, Inc. has a collaboration agreement with Adimab, LLC for the research and development of antibodies; and a strategic collaboration agreement with GlaxoSmithKline plc for the development and commercialization of monoclonal antibodies, such as AL001 and AL101 to treat neurodegenerative diseases. The company was founded in 2013 and is headquartered in South San Francisco, California.
Credit spreads, long calls, iron condors, calendar trades — every strategy starts with the same raw material: a clean, complete option chain. Our scanner pulls Alector Inc's full chain across every expiry, highlights the most liquid strikes, and lets you screen ALEC options by the metrics that matter, from IV skew to volume surges. Stop scrolling through endless rows of ALEC stock options — let the full option chain come to you, pre-filtered and ready to trade.
Stock Statistics
- IndustryBiotechnology
- SectorHealthcare
- IV percentile43.65% Neutral
- Market cap (M$)213
- 52 weeks high-43.82%
- 52 weeks low75.23%
- Analyst recommendationHold
2.86 - Target price$3.10
62.30% above the current stock price - Dividend—
- Payout ratio—
- Earnings date2026-11-05
- P/E—
- Future P/E—
- EPS (ttm)-1.09
- EPS growth next 5 years18.30%
As of September 18, 2026
| CALLs | PUTs | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Prob. OTM % | Open Interest | Volume | Extrinsic Value | Intrinsic Value | Bid | Ask | Strike | Moneyness % | Bid | Ask | Intrinsic Value | Extrinsic Value | Volume | Open Interest | Prob. OTM % |
| 1.93 | 87 | 0 | -0.01 | 1.41 | 0.90 | 1.90 | 0.50 | -73.82 | — | 0.05 | 0.00 | 0.05 | 0 | 23 | 98.07 |
| 19.67 | 35 | 111 | -0.16 | 0.91 | 0.45 | 1.05 | 1.00 | -47.64 | — | 0.05 | 0.00 | 0.05 | 0 | 0 | 80.33 |
| 44.31 | 36 | 0 | 0.59 | 0.41 | — | 1.00 | 1.50 | -21.47 | — | 0.15 | 0.00 | 0.15 | 0 | 140 | 55.69 |
| 64.09 | 318 | 0 | 1.00 | 0.00 | — | 1.00 | 2.00 | +4.71 | — | 1.00 | 0.09 | 0.91 | 0 | 71 | 35.91 |
| 77.39 | 1,794 | 0 | 0.20 | 0.00 | 0.05 | 0.35 | 2.50 | +30.89 | — | 0.85 | 0.59 | 0.26 | 0 | 13 | 22.61 |
As of September 18, 2026
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