Contract OI history
Back to RIOTNov 27, 2026 EXPIRATION
RIOT $20.00 Call
RIOT261127C00020000
Latest saved OI123Oct 23, 2026
Last change+21vs 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 | 123 | +21 |
| Oct 21, 2026 | 102 | +54 |
| Oct 16, 2026 | 48 | +11 |
| Oct 15, 2026 | 37 | +17 |
| Oct 14, 2026 | 20 | 0 |
| Oct 13, 2026 | 20 | +19 |
| Oct 09, 2026 | 1 | No prior observation |