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Contract OI history

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Dec 15, 2028 EXPIRATION

MSFT $440.00 Call

MSFT281215C00440000

Latest saved OI1,283Oct 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 $440.00 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. 1,2856420 2026-10-09: 1,285 OI2026-10-13: 1,284 OI2026-10-14: 1,284 OI2026-10-15: 1,284 OI2026-10-16: 1,283 OI2026-10-21: 1,283 OI2026-10-23: 1,283 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, 2026Viewing1,2830
Oct 21, 20261,2830
Oct 16, 20261,283-1
Oct 15, 20261,2840
Oct 14, 20261,2840
Oct 13, 20261,284-1
Oct 09, 20261,285No prior observation