Contract OI history
Back to RIOTJan 21, 2028 EXPIRATION
RIOT $13.00 Put
RIOT280121P00013000
Latest saved OI1,194Oct 23, 2026
Last change+18vs 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 | 1,194 | +18 |
| Oct 21, 2026 | 1,176 | +7 |
| Oct 16, 2026 | 1,169 | +1 |
| Oct 15, 2026 | 1,168 | 0 |
| Oct 14, 2026 | 1,168 | 0 |
| Oct 13, 2026 | 1,168 | +180 |
| Oct 09, 2026 | 988 | No prior observation |