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Contract OI history

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Sep 17, 2027 EXPIRATION

MSFT $465.00 Put

MSFT270917P00465000

Latest saved OI582Oct 23, 2026
Last change+13vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $465.00 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. 5822910 2026-10-09: 551 OI2026-10-13: 551 OI2026-10-14: 551 OI2026-10-15: 551 OI2026-10-16: 552 OI2026-10-21: 569 OI2026-10-23: 582 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, 2026Viewing582+13
Oct 21, 2026569+17
Oct 16, 2026552+1
Oct 15, 20265510
Oct 14, 20265510
Oct 13, 20265510
Oct 09, 2026551No prior observation