Contract OI history
Back to RIOTDec 18, 2026 EXPIRATION
RIOT $15.00 Put
RIOT261218P00015000
Latest saved OI9,522Oct 23, 2026
Last change+123vs 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 | 9,522 | +123 |
| Oct 21, 2026 | 9,399 | +51 |
| Oct 16, 2026 | 9,348 | +1,518 |
| Oct 15, 2026 | 7,830 | +369 |
| Oct 14, 2026 | 7,461 | 0 |
| Oct 13, 2026 | 7,461 | +596 |
| Oct 09, 2026 | 6,865 | No prior observation |