Contract OI history
Back to RIODec 18, 2026 EXPIRATION
RIO $95.00 Call
RIO261218C00095000
Latest saved OI530Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 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, 2026 | 530 | +1 |
| Oct 20, 2026Viewing | 529 | +14 |
| Oct 16, 2026 | 515 | -27 |
| Oct 15, 2026 | 542 | -25 |
| Oct 14, 2026 | 567 | 0 |
| Oct 13, 2026 | 567 | +141 |
| Oct 09, 2026 | 426 | +11 |
| Oct 08, 2026 | 415 | +2 |
| Oct 07, 2026 | 413 | +1 |
| Oct 06, 2026 | 412 | 0 |
| Oct 05, 2026 | 412 | +65 |
| Oct 02, 2026 | 347 | No prior observation |