Contract OI history
Back to RIOTOct 23, 2026 EXPIRATION
RIOT $13.50 Put
RIOT261023P00013500
Latest saved OI5,286Oct 23, 2026
Last change-285vs previous saved observation
Saved market days6Oct 13, 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 | 5,286 | -285 |
| Oct 21, 2026 | 5,571 | +830 |
| Oct 16, 2026 | 4,741 | +1,126 |
| Oct 15, 2026 | 3,615 | +3,615 |
| Oct 14, 2026 | 0 | 0 |
| Oct 13, 2026 | 0 | No prior observation |