Contract OI history
Back to RIOTDec 18, 2026 EXPIRATION
RIOT $13.00 Put
RIOT261218P00013000
Latest saved OI8,087Oct 23, 2026
Last change+33vs 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 | 8,087 | +33 |
| Oct 21, 2026 | 8,054 | +114 |
| Oct 16, 2026 | 7,940 | +166 |
| Oct 15, 2026 | 7,774 | +16 |
| Oct 14, 2026 | 7,758 | 0 |
| Oct 13, 2026 | 7,758 | +8 |
| Oct 09, 2026 | 7,750 | No prior observation |