Contract OI history
Back to MPTJan 21, 2028 EXPIRATION
MPT $2.50 Put
MPT280121P00002500
Latest saved OI523Oct 23, 2026
Last change+54vs previous saved observation
Saved market days11Oct 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 | 523 | +54 |
| Oct 21, 2026 | 469 | +12 |
| Oct 16, 2026 | 457 | +20 |
| Oct 14, 2026 | 437 | 0 |
| Oct 13, 2026 | 437 | 0 |
| Oct 09, 2026 | 437 | +20 |
| Oct 08, 2026 | 417 | 0 |
| Oct 07, 2026 | 417 | 0 |
| Oct 06, 2026 | 417 | 0 |
| Oct 05, 2026 | 417 | 0 |
| Oct 02, 2026 | 417 | No prior observation |