Contract OI history
Back to RIOTJan 15, 2027 EXPIRATION
RIOT $21.00 Call
RIOT270115C00021000
Latest saved OI1,605Oct 23, 2026
Last change-16vs 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 | 1,605 | -16 |
| Oct 21, 2026 | 1,621 | +5 |
| Oct 16, 2026 | 1,616 | -41 |
| Oct 15, 2026 | 1,657 | +87 |
| Oct 14, 2026 | 1,570 | 0 |
| Oct 13, 2026 | 1,570 | +356 |
| Oct 09, 2026 | 1,214 | No prior observation |