Contract OI history
Back to RIOTJan 21, 2028 EXPIRATION
RIOT $40.00 Call
RIOT280121C00040000
Latest saved OI8,359Oct 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 | 8,359 | -16 |
| Oct 21, 2026 | 8,375 | -19 |
| Oct 16, 2026 | 8,394 | -52 |
| Oct 15, 2026 | 8,446 | -7 |
| Oct 14, 2026 | 8,453 | 0 |
| Oct 13, 2026 | 8,453 | -9 |
| Oct 09, 2026 | 8,462 | No prior observation |