Contract OI history
Back to RIOTDec 18, 2026 EXPIRATION
RIOT $19.00 Put
RIOT261218P00019000
Latest saved OI5,944Oct 23, 2026
Last change+30vs 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 | 5,944 | +30 |
| Oct 21, 2026 | 5,914 | -7 |
| Oct 16, 2026 | 5,921 | -4 |
| Oct 15, 2026 | 5,925 | +10 |
| Oct 14, 2026 | 5,915 | 0 |
| Oct 13, 2026 | 5,915 | +150 |
| Oct 09, 2026 | 5,765 | No prior observation |