Contract OI history
Back to RUMNov 27, 2026 EXPIRATION
RUM $5.50 Put
RUM261127P00005500
Latest saved OI242Oct 23, 2026
Last change+140vs 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 | 242 | +140 |
| Oct 21, 2026 | 102 | +14 |
| Oct 16, 2026 | 88 | +81 |
| Oct 15, 2026 | 7 | 0 |
| Oct 14, 2026 | 7 | 0 |
| Oct 13, 2026 | 7 | +6 |
| Oct 09, 2026 | 1 | No prior observation |