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Contract OI history

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Jan 15, 2027 EXPIRATION

MDB $290.00 Put

MDB270115P00290000

Latest saved OI620Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MDB $290.00 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. 6213100 2026-10-09: 620 OI2026-10-13: 620 OI2026-10-14: 620 OI2026-10-15: 621 OI2026-10-16: 621 OI2026-10-21: 618 OI2026-10-23: 620 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, 2026620+2
Oct 21, 2026Viewing618-3
Oct 16, 20266210
Oct 15, 2026621+1
Oct 14, 20266200
Oct 13, 20266200
Oct 09, 2026620No prior observation