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Contract OI history

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Apr 16, 2027 EXPIRATION

MSFT $385.00 Put

MSFT270416P00385000

Latest saved OI737Oct 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 $385.00 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. 7373680 2026-10-09: 719 OI2026-10-13: 724 OI2026-10-14: 724 OI2026-10-15: 722 OI2026-10-16: 724 OI2026-10-21: 737 OI2026-10-23: 737 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, 2026Viewing7370
Oct 21, 2026737+13
Oct 16, 2026724+2
Oct 15, 2026722-2
Oct 14, 20267240
Oct 13, 2026724+5
Oct 09, 2026719No prior observation