Contract OI history
Back to RIOTDec 18, 2026 EXPIRATION
RIOT $18.00 Put
RIOT261218P00018000
Latest saved OI4,316Oct 23, 2026
Last change+60vs 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 | 4,316 | +60 |
| Oct 21, 2026 | 4,256 | +51 |
| Oct 16, 2026 | 4,205 | +7 |
| Oct 15, 2026 | 4,198 | +10 |
| Oct 14, 2026 | 4,188 | 0 |
| Oct 13, 2026 | 4,188 | -1 |
| Oct 09, 2026 | 4,189 | No prior observation |