Contract OI history
Back to RIOTOct 30, 2026 EXPIRATION
RIOT $18.00 Call
RIOT261030C00018000
Latest saved OI741Oct 23, 2026
Last change+29vs 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 | 741 | +29 |
| Oct 21, 2026 | 712 | +279 |
| Oct 16, 2026 | 433 | -19 |
| Oct 15, 2026 | 452 | +46 |
| Oct 14, 2026 | 406 | 0 |
| Oct 13, 2026 | 406 | +133 |
| Oct 09, 2026 | 273 | No prior observation |