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Contract OI history

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Oct 30, 2026 EXPIRATION

MDB $400.00 Call

MDB261030C00400000

Latest saved OI565Oct 23, 2026
Last change+115vs 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. 5652820 2026-10-09: 242 OI2026-10-13: 217 OI2026-10-14: 217 OI2026-10-15: 217 OI2026-10-16: 230 OI2026-10-21: 450 OI2026-10-23: 565 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, 2026Viewing565+115
Oct 21, 2026450+220
Oct 16, 2026230+13
Oct 15, 20262170
Oct 14, 20262170
Oct 13, 2026217-25
Oct 09, 2026242No prior observation