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Contract OI history

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Apr 16, 2027 EXPIRATION

MSFT $435.00 Put

MSFT270416P00435000

Latest saved OI330Oct 23, 2026
Last change+42vs 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. 3301650 2026-10-09: 265 OI2026-10-13: 263 OI2026-10-14: 263 OI2026-10-15: 272 OI2026-10-16: 281 OI2026-10-21: 288 OI2026-10-23: 330 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, 2026Viewing330+42
Oct 21, 2026288+7
Oct 16, 2026281+9
Oct 15, 2026272+9
Oct 14, 20262630
Oct 13, 2026263-2
Oct 09, 2026265No prior observation