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Contract OI history

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Nov 20, 2026 EXPIRATION

MDB $330.00 Put

MDB261120P00330000

Latest saved OI439Oct 23, 2026
Last change+3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MDB $330.00 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. 4392190 2026-10-09: 405 OI2026-10-13: 347 OI2026-10-14: 347 OI2026-10-15: 356 OI2026-10-16: 355 OI2026-10-21: 436 OI2026-10-23: 439 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, 2026439+3
Oct 21, 2026Viewing436+81
Oct 16, 2026355-1
Oct 15, 2026356+9
Oct 14, 20263470
Oct 13, 2026347-58
Oct 09, 2026405No prior observation