Contract OI history
Back to UDec 18, 2026 EXPIRATION
U $42.00 Put
U261218P00042000
Latest saved OI96Oct 23, 2026
Last change+1vs previous saved observation
Saved market days4Oct 15, 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 | 96 | +1 |
| Oct 21, 2026Viewing | 95 | +95 |
| Oct 16, 2026 | 0 | 0 |
| Oct 15, 2026 | 0 | No prior observation |