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Contract OI history

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Jan 15, 2027 EXPIRATION

MSFT $475.00 Put

MSFT270115P00475000

Latest saved OI4,016Oct 23, 2026
Last change+132vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $475.00 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. 4,0162,0080 2026-10-09: 3,588 OI2026-10-13: 3,563 OI2026-10-14: 3,563 OI2026-10-15: 3,559 OI2026-10-16: 3,571 OI2026-10-21: 3,884 OI2026-10-23: 4,016 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, 2026Viewing4,016+132
Oct 21, 20263,884+313
Oct 16, 20263,571+12
Oct 15, 20263,559-4
Oct 14, 20263,5630
Oct 13, 20263,563-25
Oct 09, 20263,588No prior observation