Contract OI history
Back to MAJan 15, 2027 EXPIRATION
MA $540.00 Put
MA270115P00540000
Latest saved OI362Oct 23, 2026
Last change+7vs previous saved observation
Saved market days12Oct 02, 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 | 362 | +7 |
| Oct 21, 2026 | 355 | +5 |
| Oct 16, 2026 | 350 | +1 |
| Oct 15, 2026 | 349 | 0 |
| Oct 14, 2026 | 349 | 0 |
| Oct 13, 2026 | 349 | +1 |
| Oct 09, 2026 | 348 | -5 |
| Oct 08, 2026 | 353 | 0 |
| Oct 07, 2026 | 353 | +91 |
| Oct 06, 2026 | 262 | +10 |
| Oct 05, 2026 | 252 | -1 |
| Oct 02, 2026 | 253 | No prior observation |