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Contract OI history

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Dec 18, 2026 EXPIRATION

MDB $340.00 Call

MDB261218C00340000

Latest saved OI263Oct 23, 2026
Last change-3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MDB $340.00 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. 2661330 2026-10-09: 255 OI2026-10-13: 254 OI2026-10-14: 254 OI2026-10-15: 255 OI2026-10-16: 255 OI2026-10-21: 266 OI2026-10-23: 263 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, 2026263-3
Oct 21, 2026Viewing266+11
Oct 16, 20262550
Oct 15, 2026255+1
Oct 14, 20262540
Oct 13, 2026254-1
Oct 09, 2026255No prior observation