Contract OI history
Back to SOFIJan 21, 2028 EXPIRATION
SOFI $23.00 Put
SOFI280121P00023000
Latest saved OI3,073Oct 23, 2026
Last change+1vs 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 | 3,073 | +1 |
| Oct 21, 2026 | 3,072 | -221 |
| Oct 16, 2026 | 3,293 | -290 |
| Oct 15, 2026 | 3,583 | +4 |
| Oct 14, 2026 | 3,579 | 0 |
| Oct 13, 2026 | 3,579 | +5 |
| Oct 09, 2026 | 3,574 | No prior observation |