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Contract OI history

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Jan 15, 2027 EXPIRATION

MSFT $490.00 Put

MSFT270115P00490000

Latest saved OI3,066Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $490.00 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. 3,0661,5330 2026-10-09: 2,923 OI2026-10-13: 2,944 OI2026-10-14: 2,944 OI2026-10-15: 2,897 OI2026-10-16: 2,909 OI2026-10-21: 3,065 OI2026-10-23: 3,066 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, 2026Viewing3,066+1
Oct 21, 20263,065+156
Oct 16, 20262,909+12
Oct 15, 20262,897-47
Oct 14, 20262,9440
Oct 13, 20262,944+21
Oct 09, 20262,923No prior observation