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Contract OI history

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Dec 18, 2026 EXPIRATION

MDB $175.00 Put

MDB261218P00175000

Latest saved OI384Oct 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 $175.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3851920 2026-10-09: 385 OI2026-10-13: 385 OI2026-10-14: 385 OI2026-10-15: 385 OI2026-10-16: 385 OI2026-10-21: 385 OI2026-10-23: 384 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, 2026384-1
Oct 21, 2026Viewing3850
Oct 16, 20263850
Oct 15, 20263850
Oct 14, 20263850
Oct 13, 20263850
Oct 09, 2026385No prior observation