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Contract OI history

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Dec 18, 2026 EXPIRATION

MDB $440.00 Call

MDB261218C00440000

Latest saved OI489Oct 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 $440.00 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. 1,1935960 2026-10-09: 1,193 OI2026-10-13: 494 OI2026-10-14: 494 OI2026-10-15: 489 OI2026-10-16: 489 OI2026-10-21: 489 OI2026-10-23: 489 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, 20264890
Oct 21, 2026Viewing4890
Oct 16, 20264890
Oct 15, 2026489-5
Oct 14, 20264940
Oct 13, 2026494-699
Oct 09, 20261,193No prior observation