Contract OI history
Back to MARANov 13, 2026 EXPIRATION
MARA $11.50 Put
MARA261113P00011500
Latest saved OI230Oct 23, 2026
Last change+40vs 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 | 230 | +40 |
| Oct 21, 2026 | 190 | +18 |
| Oct 16, 2026 | 172 | -4 |
| Oct 15, 2026 | 176 | +6 |
| Oct 14, 2026 | 170 | 0 |
| Oct 13, 2026 | 170 | 0 |
| Oct 09, 2026 | 170 | No prior observation |