Contract OI history
Back to SOFIJan 21, 2028 EXPIRATION
SOFI $40.00 Call
SOFI280121C00040000
Latest saved OI18,216Oct 23, 2026
Last change-129vs 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 | 18,216 | -129 |
| Oct 21, 2026 | 18,345 | +586 |
| Oct 16, 2026 | 17,759 | +288 |
| Oct 15, 2026 | 17,471 | +389 |
| Oct 14, 2026 | 17,082 | 0 |
| Oct 13, 2026 | 17,082 | +105 |
| Oct 09, 2026 | 16,977 | No prior observation |