Contract OI history
Back to RIOTMar 19, 2027 EXPIRATION
RIOT $20.00 Call
RIOT270319C00020000
Latest saved OI1,253Oct 23, 2026
Last change+4vs 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 | 1,253 | +4 |
| Oct 21, 2026 | 1,249 | +33 |
| Oct 16, 2026 | 1,216 | +189 |
| Oct 15, 2026 | 1,027 | +755 |
| Oct 14, 2026 | 272 | 0 |
| Oct 13, 2026 | 272 | -1 |
| Oct 09, 2026 | 273 | No prior observation |