Options Chain for ALECTOR INC COM (ALEC) - $1.90 as of 1/15/2026 6:26:00 PM EST
Calls
| Strike | Bid | Ask | Premium | Last Price | Change | %Chg | Premium to Strike Price Ratio | Volume | Open Interest | IV | Delta | Gamma | Theta | Last Trade | Last Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.50 | 0.85 | 1.85 | 1.35 | % | 2.70 | 0 | 0 | 0.00 | 1.00 | 0.00 | 0.00 | 1/15/2026 3:59:57 PM EST | |||
| 1.00 | 0.15 | 1.15 | 0.65 | 0.55 | 0.00 | 0.00% | 0.65 | 0 | 37 | 0.00 | 1.00 | 0.00 | 0.00 | 12/31/2025 | 1/15/2026 3:59:57 PM EST |
| 1.50 | 0.00 | 1.00 | 0.50 | 0.05 | 0.00 | 0.00% | 0.33 | 0 | 2,738 | 0.00 | 0.99 | 0.07 | 0.00 | 1/13/2026 | 1/15/2026 3:59:57 PM EST |
| 2.00 | 0.00 | 0.75 | 0.38 | 0.05 | 0.00 | 0.00% | 0.19 | 0 | 17 | 4.08 | 0.09 | 1.75 | -0.01 | 1/7/2026 | 1/15/2026 3:59:57 PM EST |
| 2.50 | 0.00 | 0.05 | 0.03 | 0.01 | 0.00 | 0.00% | 0.01 | 0 | 910 | 5.61 | 0.00 | 0.00 | 0.00 | 12/30/2025 | 1/15/2026 3:59:57 PM EST |
| 5.00 | 0.00 | 0.05 | 0.03 | 0.05 | 0.00 | 0.00% | 0.01 | 0 | 1,461 | 0.00 | 0.00 | 0.00 | 0.00 | 12/29/2025 | 1/15/2026 3:59:57 PM EST |
| 7.50 | 0.00 | 0.25 | 0.13 | 0.05 | 0.00 | 0.00% | 0.02 | 0 | 58 | 0.00 | 0.00 | 0.00 | 0.00 | 12/2/2025 | 1/15/2026 3:59:57 PM EST |
Puts
| Strike | Bid | Ask | Premium | Last Price | Change | %Chg | Premium to Strike Price Ratio | Volume | Open Interest | IV | Delta | Gamma | Theta | Last Trade | Last Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.50 | 0.00 | 0.05 | 0.03 | % | 0.06 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 1/15/2026 3:59:57 PM EST | |||
| 1.00 | 0.00 | 0.05 | 0.03 | 0.03 | 0.00 | 0.00% | 0.03 | 0 | 21 | 0.00 | 0.00 | 0.00 | 0.00 | 1/9/2026 | 1/15/2026 3:59:57 PM EST |
| 1.50 | 0.00 | 1.00 | 0.50 | 0.15 | 0.00 | 0.00% | 0.33 | 0 | 651 | 0.00 | -0.01 | 0.07 | 0.00 | 1/2/2026 | 1/15/2026 3:59:57 PM EST |
| 2.00 | 0.00 | 1.00 | 0.50 | % | 0.25 | 0 | 0 | 0.00 | -0.91 | 1.75 | -0.01 | 1/15/2026 3:59:57 PM EST | |||
| 2.50 | 0.20 | 1.15 | 0.68 | 1.23 | 0.00 | 0.00% | 0.27 | 0 | 1,618 | 0.00 | -1.00 | 0.00 | 0.00 | 12/8/2025 | 1/15/2026 3:59:57 PM EST |
| 5.00 | 2.70 | 3.70 | 3.20 | 3.41 | 0.00 | 0.00% | 0.64 | 0 | 0 | 0.00 | -1.00 | 0.00 | 0.00 | 10/22/2025 | 1/15/2026 3:59:57 PM EST |
| 7.50 | 5.20 | 6.20 | 5.70 | % | 0.76 | 0 | 0 | 0.00 | -1.00 | 0.00 | 0.00 | 1/15/2026 3:59:57 PM EST |