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Contract OI history

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Nov 20, 2026 EXPIRATION

MDB $420.00 Call

MDB261120C00420000

Latest saved OI193Oct 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 $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. 194970 2026-10-09: 154 OI2026-10-13: 144 OI2026-10-14: 144 OI2026-10-15: 146 OI2026-10-16: 170 OI2026-10-21: 194 OI2026-10-23: 193 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, 2026Viewing193-1
Oct 21, 2026194+24
Oct 16, 2026170+24
Oct 15, 2026146+2
Oct 14, 20261440
Oct 13, 2026144-10
Oct 09, 2026154No prior observation