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Contract OI history

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Dec 18, 2026 EXPIRATION

MSFT $545.00 Call

MSFT261218C00545000

Latest saved OI2,644Oct 23, 2026
Last change+131vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $545.00 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. 2,6441,3220 2026-10-09: 2,245 OI2026-10-13: 2,456 OI2026-10-14: 2,456 OI2026-10-15: 2,477 OI2026-10-16: 2,617 OI2026-10-21: 2,513 OI2026-10-23: 2,644 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, 2026Viewing2,644+131
Oct 21, 20262,513-104
Oct 16, 20262,617+140
Oct 15, 20262,477+21
Oct 14, 20262,4560
Oct 13, 20262,456+211
Oct 09, 20262,245No prior observation