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Contract OI history

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Oct 23, 2026 EXPIRATION

MDB $400.00 Call

MDB261023C00400000

Latest saved OI705Oct 23, 2026
Last change-50vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MDB $400.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 7553770 2026-10-09: 381 OI2026-10-13: 373 OI2026-10-14: 373 OI2026-10-15: 374 OI2026-10-16: 372 OI2026-10-21: 755 OI2026-10-23: 705 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, 2026Viewing705-50
Oct 21, 2026755+383
Oct 16, 2026372-2
Oct 15, 2026374+1
Oct 14, 20263730
Oct 13, 2026373-8
Oct 09, 2026381No prior observation