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Contract OI history

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Jan 15, 2027 EXPIRATION

MDB $280.00 Put

MDB270115P00280000

Latest saved OI331Oct 23, 2026
Last change+1vs 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. 3311650 2026-10-09: 272 OI2026-10-13: 329 OI2026-10-14: 329 OI2026-10-15: 329 OI2026-10-16: 330 OI2026-10-21: 330 OI2026-10-23: 331 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, 2026331+1
Oct 21, 2026Viewing3300
Oct 16, 2026330+1
Oct 15, 20263290
Oct 14, 20263290
Oct 13, 2026329+57
Oct 09, 2026272No prior observation