Contract OI history
Back to RIOTOct 30, 2026 EXPIRATION
RIOT $20.00 Put
RIOT261030P00020000
Latest saved OI1,531Oct 23, 2026
Last change-206vs 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 | 1,531 | -206 |
| Oct 21, 2026 | 1,737 | -38 |
| Oct 16, 2026 | 1,775 | -95 |
| Oct 15, 2026 | 1,870 | -8 |
| Oct 14, 2026 | 1,878 | 0 |
| Oct 13, 2026 | 1,878 | +106 |
| Oct 09, 2026 | 1,772 | No prior observation |