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Contract OI history

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Dec 18, 2026 EXPIRATION

MSFT $660.00 Call

MSFT261218C00660000

Latest saved OI2,557Oct 23, 2026
Last change+31vs 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. 2,5571,2780 2026-10-09: 2,525 OI2026-10-13: 2,534 OI2026-10-14: 2,534 OI2026-10-15: 2,526 OI2026-10-16: 2,530 OI2026-10-21: 2,526 OI2026-10-23: 2,557 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, 2026Viewing2,557+31
Oct 21, 20262,526-4
Oct 16, 20262,530+4
Oct 15, 20262,526-8
Oct 14, 20262,5340
Oct 13, 20262,534+9
Oct 09, 20262,525No prior observation