Contract OI history
Back to CMEMar 19, 2027 EXPIRATION
CME $290.00 Put
CME270319P00290000
Latest saved OI411Oct 23, 2026
Last change+44vs 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 | 411 | +44 |
| Oct 21, 2026 | 367 | +28 |
| Oct 16, 2026 | 339 | +4 |
| Oct 15, 2026 | 335 | 0 |
| Oct 14, 2026 | 335 | +7 |
| Oct 13, 2026 | 328 | +61 |
| Oct 09, 2026 | 267 | No prior observation |