Contract OI history
Back to MANov 20, 2026 EXPIRATION
MA $580.00 Put
MA261120P00580000
Latest saved OI365Oct 23, 2026
Last change+5vs 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 | 365 | +5 |
| Oct 21, 2026 | 360 | +27 |
| Oct 16, 2026 | 333 | +43 |
| Oct 15, 2026 | 290 | +40 |
| Oct 14, 2026 | 250 | 0 |
| Oct 13, 2026 | 250 | -3 |
| Oct 09, 2026 | 253 | +23 |
| Oct 08, 2026 | 230 | 0 |
| Oct 07, 2026 | 230 | 0 |
| Oct 06, 2026 | 230 | +2 |
| Oct 05, 2026 | 228 | 0 |
| Oct 02, 2026 | 228 | No prior observation |