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Contract OI history

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Jan 15, 2027 EXPIRATION

MDB $370.00 Put

MDB270115P00370000

Latest saved OI82Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MDB $370.00 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. 86430 2026-10-09: 81 OI2026-10-13: 81 OI2026-10-14: 81 OI2026-10-15: 81 OI2026-10-16: 86 OI2026-10-21: 82 OI2026-10-23: 82 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, 2026820
Oct 21, 2026Viewing82-4
Oct 16, 202686+5
Oct 15, 2026810
Oct 14, 2026810
Oct 13, 2026810
Oct 09, 202681No prior observation