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Contract OI history

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Jan 15, 2027 EXPIRATION

MSFT $425.00 Put

MSFT270115P00425000

Latest saved OI3,079Oct 23, 2026
Last change+70vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $425.00 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. 3,0811,5400 2026-10-09: 3,081 OI2026-10-13: 2,987 OI2026-10-14: 2,987 OI2026-10-15: 3,005 OI2026-10-16: 3,004 OI2026-10-21: 3,009 OI2026-10-23: 3,079 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, 2026Viewing3,079+70
Oct 21, 20263,009+5
Oct 16, 20263,004-1
Oct 15, 20263,005+18
Oct 14, 20262,9870
Oct 13, 20262,987-94
Oct 09, 20263,081No prior observation