Contract OI history
Back to SOFIDec 15, 2028 EXPIRATION
SOFI $13.00 Put
SOFI281215P00013000
Latest saved OI20,310Oct 23, 2026
Last change+250vs 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 | 20,310 | +250 |
| Oct 21, 2026 | 20,060 | +1 |
| Oct 16, 2026 | 20,059 | +2 |
| Oct 15, 2026 | 20,057 | -131 |
| Oct 14, 2026 | 20,188 | 0 |
| Oct 13, 2026 | 20,188 | +1,569 |
| Oct 09, 2026 | 18,619 | No prior observation |