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Contract OI history

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Dec 18, 2026 EXPIRATION

MDB $280.00 Call

MDB261218C00280000

Latest saved OI252Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MDB $280.00 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. 2531260 2026-10-09: 248 OI2026-10-13: 247 OI2026-10-14: 247 OI2026-10-15: 247 OI2026-10-16: 253 OI2026-10-21: 253 OI2026-10-23: 252 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, 2026252-1
Oct 21, 2026Viewing2530
Oct 16, 2026253+6
Oct 15, 20262470
Oct 14, 20262470
Oct 13, 2026247-1
Oct 09, 2026248No prior observation