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Contract OI history

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Dec 18, 2026 EXPIRATION

MSTR $40.00 Put

MSTR261218P00040000

Latest saved OI1,666Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSTR $40.00 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. 1,6668330 2026-10-09: 1,662 OI2026-10-13: 1,665 OI2026-10-14: 1,665 OI2026-10-15: 1,666 OI2026-10-16: 1,666 OI2026-10-21: 1,666 OI2026-10-23: 1,666 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

MSTR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,6660
Oct 21, 20261,6660
Oct 16, 20261,6660
Oct 15, 20261,666+1
Oct 14, 20261,6650
Oct 13, 20261,665+3
Oct 09, 20261,662No prior observation