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Contract OI history

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Feb 19, 2027 EXPIRATION

MDB $240.00 Put

MDB270219P00240000

Latest saved OI150Oct 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 $240.00 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. 151750 2026-10-09: 40 OI2026-10-13: 120 OI2026-10-14: 120 OI2026-10-15: 120 OI2026-10-16: 121 OI2026-10-21: 151 OI2026-10-23: 150 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, 2026150-1
Oct 21, 2026Viewing151+30
Oct 16, 2026121+1
Oct 15, 20261200
Oct 14, 20261200
Oct 13, 2026120+80
Oct 09, 202640No prior observation