Contract OI history
Back to RIOTNov 13, 2026 EXPIRATION
RIOT $18.00 Call
RIOT261113C00018000
Latest saved OI285Oct 23, 2026
Last change-62vs 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 | 285 | -62 |
| Oct 21, 2026 | 347 | +41 |
| Oct 16, 2026 | 306 | +2 |
| Oct 15, 2026 | 304 | +46 |
| Oct 14, 2026 | 258 | 0 |
| Oct 13, 2026 | 258 | +47 |
| Oct 09, 2026 | 211 | No prior observation |