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Contract OI history

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Oct 30, 2026 EXPIRATION

MSFT $450.00 Put

MSFT261030P00450000

Latest saved OI1,013Oct 23, 2026
Last change+161vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $450.00 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. 1,0135060 2026-10-09: 782 OI2026-10-13: 731 OI2026-10-14: 731 OI2026-10-15: 715 OI2026-10-16: 734 OI2026-10-21: 852 OI2026-10-23: 1,013 OI Oct 09, 2026Oct 23, 2026

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

MSFT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,013+161
Oct 21, 2026852+118
Oct 16, 2026734+19
Oct 15, 2026715-16
Oct 14, 20267310
Oct 13, 2026731-51
Oct 09, 2026782No prior observation