Contract OI history
Back to RIOTNov 13, 2026 EXPIRATION
RIOT $18.00 Put
RIOT261113P00018000
Latest saved OI1,866Oct 23, 2026
Last change-387vs 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 | 1,866 | -387 |
| Oct 21, 2026 | 2,253 | +1,770 |
| Oct 16, 2026 | 483 | +50 |
| Oct 15, 2026 | 433 | +378 |
| Oct 14, 2026 | 55 | 0 |
| Oct 13, 2026 | 55 | +5 |
| Oct 09, 2026 | 50 | No prior observation |