Contract OI history
Back to RIOTOct 23, 2026 EXPIRATION
RIOT $12.50 Put
RIOT261023P00012500
Latest saved OI1,055Oct 23, 2026
Last change+974vs previous saved observation
Saved market days2Oct 21, 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 | 1,055 | +974 |
| Oct 21, 2026 | 81 | No prior observation |