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Contract OI history

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Dec 18, 2026 EXPIRATION

MDB $280.00 Put

MDB261218P00280000

Latest saved OI677Oct 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 $280.00 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. 6803400 2026-10-09: 619 OI2026-10-13: 673 OI2026-10-14: 673 OI2026-10-15: 673 OI2026-10-16: 680 OI2026-10-21: 677 OI2026-10-23: 677 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, 20266770
Oct 21, 2026Viewing677-3
Oct 16, 2026680+7
Oct 15, 20266730
Oct 14, 20266730
Oct 13, 2026673+54
Oct 09, 2026619No prior observation