Contract OI history
Back to HROWJan 15, 2027 EXPIRATION
HROW $40.00 Put
HROW270115P00040000
Latest saved OI297Oct 20, 2026
Last change-19vs previous saved observation
Saved market days5Oct 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 20, 2026Viewing | 297 | -19 |
| Oct 16, 2026 | 316 | -30 |
| Oct 14, 2026 | 346 | -10 |
| Oct 13, 2026 | 356 | 0 |
| Oct 09, 2026 | 356 | No prior observation |