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Contract OI history

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Oct 30, 2026 EXPIRATION

MSFT $435.00 Put

MSFT261030P00435000

Latest saved OI2,018Oct 23, 2026
Last change+7vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $435.00 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. 3,1341,5670 2026-10-09: 3,076 OI2026-10-13: 3,074 OI2026-10-14: 3,074 OI2026-10-15: 3,080 OI2026-10-16: 3,134 OI2026-10-21: 2,011 OI2026-10-23: 2,018 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, 2026Viewing2,018+7
Oct 21, 20262,011-1,123
Oct 16, 20263,134+54
Oct 15, 20263,080+6
Oct 14, 20263,0740
Oct 13, 20263,074-2
Oct 09, 20263,076No prior observation