Contract OI history
Back to RIOTMar 19, 2027 EXPIRATION
RIOT $19.00 Call
RIOT270319C00019000
Latest saved OI438Oct 23, 2026
Last change-22vs 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 | 438 | -22 |
| Oct 21, 2026 | 460 | +29 |
| Oct 16, 2026 | 431 | +1 |
| Oct 15, 2026 | 430 | +72 |
| Oct 14, 2026 | 358 | 0 |
| Oct 13, 2026 | 358 | +5 |
| Oct 09, 2026 | 353 | No prior observation |