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Contract OI history

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Mar 19, 2027 EXPIRATION

MDB $280.00 Put

MDB270319P00280000

Latest saved OI664Oct 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 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. 8354170 2026-10-09: 745 OI2026-10-13: 745 OI2026-10-14: 745 OI2026-10-15: 835 OI2026-10-16: 822 OI2026-10-21: 665 OI2026-10-23: 664 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, 2026664-1
Oct 21, 2026Viewing665-157
Oct 16, 2026822-13
Oct 15, 2026835+90
Oct 14, 20267450
Oct 13, 20267450
Oct 09, 2026745No prior observation