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Contract OI history

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Feb 19, 2027 EXPIRATION

MDB $400.00 Call

MDB270219C00400000

Latest saved OI112Oct 23, 2026
Last change+22vs 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. 112560 2026-10-09: 85 OI2026-10-13: 87 OI2026-10-14: 87 OI2026-10-15: 87 OI2026-10-16: 87 OI2026-10-21: 90 OI2026-10-23: 112 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, 2026Viewing112+22
Oct 21, 202690+3
Oct 16, 2026870
Oct 15, 2026870
Oct 14, 2026870
Oct 13, 202687+2
Oct 09, 202685No prior observation