Contract OI history
Back to USARJan 19, 2029 EXPIRATION
USAR $8.00 Put
USAR290119P00008000
Latest saved OI437Oct 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 | 437 | +4 |
| Oct 21, 2026 | 433 | +4 |
| Oct 16, 2026 | 429 | -16 |
| Oct 15, 2026 | 445 | +7 |
| Oct 14, 2026 | 438 | 0 |
| Oct 13, 2026 | 438 | +300 |
| Oct 09, 2026 | 138 | No prior observation |