Contract OI history
Back to SOFIOct 30, 2026 EXPIRATION
SOFI $18.50 Call
SOFI261030C00018500
Latest saved OI9,695Oct 23, 2026
Last change-10vs previous saved observation
Saved market days7Oct 09, 2026 onwards
All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.
| Market date | Open interest | Change vs prior saved day |
|---|---|---|
| Oct 23, 2026Viewing | 9,695 | -10 |
| Oct 21, 2026 | 9,705 | +3,416 |
| Oct 16, 2026 | 6,289 | -148 |
| Oct 15, 2026 | 6,437 | -501 |
| Oct 14, 2026 | 6,938 | 0 |
| Oct 13, 2026 | 6,938 | +206 |
| Oct 09, 2026 | 6,732 | No prior observation |