Contract OI history
Back to RIOTOct 30, 2026 EXPIRATION
RIOT $18.00 Put
RIOT261030P00018000
Latest saved OI1,096Oct 23, 2026
Last change-85vs 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 | 1,096 | -85 |
| Oct 21, 2026 | 1,181 | -1,188 |
| Oct 16, 2026 | 2,369 | +10 |
| Oct 15, 2026 | 2,359 | +1,602 |
| Oct 14, 2026 | 757 | 0 |
| Oct 13, 2026 | 757 | +319 |
| Oct 09, 2026 | 438 | No prior observation |