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Contract OI history

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Dec 15, 2028 EXPIRATION

MSFT $645.00 Call

MSFT281215C00645000

Latest saved OI689Oct 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 $645.00 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. 6913450 2026-10-09: 691 OI2026-10-13: 689 OI2026-10-14: 689 OI2026-10-15: 689 OI2026-10-16: 689 OI2026-10-21: 689 OI2026-10-23: 689 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, 2026Viewing6890
Oct 21, 20266890
Oct 16, 20266890
Oct 15, 20266890
Oct 14, 20266890
Oct 13, 2026689-2
Oct 09, 2026691No prior observation