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Contract OI history

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Nov 20, 2026 EXPIRATION

MDB $270.00 Put

MDB261120P00270000

Latest saved OI360Oct 23, 2026
Last change-8vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MDB $270.00 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. 3681840 2026-10-09: 332 OI2026-10-13: 344 OI2026-10-14: 344 OI2026-10-15: 342 OI2026-10-16: 342 OI2026-10-21: 368 OI2026-10-23: 360 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, 2026360-8
Oct 21, 2026Viewing368+26
Oct 16, 20263420
Oct 15, 2026342-2
Oct 14, 20263440
Oct 13, 2026344+12
Oct 09, 2026332No prior observation