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Contract OI history

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Nov 13, 2026 EXPIRATION

MDB $310.00 Put

MDB261113P00310000

Latest saved OI160Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MDB $310.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 160800 2026-10-09: 52 OI2026-10-13: 51 OI2026-10-14: 51 OI2026-10-15: 51 OI2026-10-16: 51 OI2026-10-21: 160 OI2026-10-23: 160 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

MDB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20261600
Oct 21, 2026Viewing160+109
Oct 16, 2026510
Oct 15, 2026510
Oct 14, 2026510
Oct 13, 202651-1
Oct 09, 202652No prior observation