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Contract OI history

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Sep 17, 2027 EXPIRATION

MSFT $500.00 Call

MSFT270917C00500000

Latest saved OI773Oct 23, 2026
Last change-26vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $500.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 8134060 2026-10-09: 755 OI2026-10-13: 813 OI2026-10-14: 813 OI2026-10-15: 807 OI2026-10-16: 804 OI2026-10-21: 799 OI2026-10-23: 773 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, 2026Viewing773-26
Oct 21, 2026799-5
Oct 16, 2026804-3
Oct 15, 2026807-6
Oct 14, 20268130
Oct 13, 2026813+58
Oct 09, 2026755No prior observation