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Contract OI history

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Jun 17, 2027 EXPIRATION

MSFT $530.00 Put

MSFT270617P00530000

Latest saved OI786Oct 23, 2026
Last change-11vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $530.00 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. 7973980 2026-10-09: 653 OI2026-10-13: 687 OI2026-10-14: 687 OI2026-10-15: 700 OI2026-10-16: 765 OI2026-10-21: 797 OI2026-10-23: 786 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, 2026Viewing786-11
Oct 21, 2026797+32
Oct 16, 2026765+65
Oct 15, 2026700+13
Oct 14, 20266870
Oct 13, 2026687+34
Oct 09, 2026653No prior observation