Contract OI history
Back to RIOTNov 27, 2026 EXPIRATION
RIOT $11.00 Put
RIOT261127P00011000
Latest saved OI74Oct 23, 2026
Last change+5vs 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 | 74 | +5 |
| Oct 21, 2026 | 69 | +8 |
| Oct 16, 2026 | 61 | +61 |
| Oct 15, 2026 | 0 | 0 |
| Oct 14, 2026 | 0 | 0 |
| Oct 13, 2026 | 0 | 0 |
| Oct 09, 2026 | 0 | No prior observation |