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Contract OI history

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Dec 15, 2028 EXPIRATION

MSFT $455.00 Put

MSFT281215P00455000

Latest saved OI793Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $455.00 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. 7933960 2026-10-09: 789 OI2026-10-13: 790 OI2026-10-14: 790 OI2026-10-15: 790 OI2026-10-16: 791 OI2026-10-21: 793 OI2026-10-23: 793 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, 2026Viewing7930
Oct 21, 2026793+2
Oct 16, 2026791+1
Oct 15, 20267900
Oct 14, 20267900
Oct 13, 2026790+1
Oct 09, 2026789No prior observation