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Contract OI history

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Nov 20, 2026 EXPIRATION

MSFT $360.00 Put

MSFT261120P00360000

Latest saved OI4,484Oct 23, 2026
Last change+24vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $360.00 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. 4,4842,2420 2026-10-09: 2,771 OI2026-10-13: 2,770 OI2026-10-14: 2,770 OI2026-10-15: 2,777 OI2026-10-16: 3,963 OI2026-10-21: 4,460 OI2026-10-23: 4,484 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, 2026Viewing4,484+24
Oct 21, 20264,460+497
Oct 16, 20263,963+1,186
Oct 15, 20262,777+7
Oct 14, 20262,7700
Oct 13, 20262,770-1
Oct 09, 20262,771No prior observation