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Contract OI history

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Mar 17, 2028 EXPIRATION

MDB $420.00 Call

MDB280317C00420000

Latest saved OI223Oct 23, 2026
Last change+12vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MDB $420.00 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. 2231110 2026-10-09: 211 OI2026-10-13: 211 OI2026-10-14: 211 OI2026-10-15: 211 OI2026-10-16: 211 OI2026-10-21: 211 OI2026-10-23: 223 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, 2026223+12
Oct 21, 2026Viewing2110
Oct 16, 20262110
Oct 15, 20262110
Oct 14, 20262110
Oct 13, 20262110
Oct 09, 2026211No prior observation