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Contract OI history

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Dec 17, 2027 EXPIRATION

MSFT $660.00 Call

MSFT271217C00660000

Latest saved OI2,175Oct 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 $660.00 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. 2,1851,0920 2026-10-09: 2,183 OI2026-10-13: 2,185 OI2026-10-14: 2,185 OI2026-10-15: 2,185 OI2026-10-16: 2,185 OI2026-10-21: 2,175 OI2026-10-23: 2,175 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, 2026Viewing2,1750
Oct 21, 20262,175-10
Oct 16, 20262,1850
Oct 15, 20262,1850
Oct 14, 20262,1850
Oct 13, 20262,185+2
Oct 09, 20262,183No prior observation