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Contract OI history

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Dec 18, 2026 EXPIRATION

MSFT $420.00 Call

MSFT261218C00420000

Latest saved OI3,415Oct 23, 2026
Last change-5vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $420.00 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. 3,5191,7590 2026-10-09: 3,519 OI2026-10-13: 3,503 OI2026-10-14: 3,503 OI2026-10-15: 3,489 OI2026-10-16: 3,487 OI2026-10-21: 3,420 OI2026-10-23: 3,415 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, 2026Viewing3,415-5
Oct 21, 20263,420-67
Oct 16, 20263,487-2
Oct 15, 20263,489-14
Oct 14, 20263,5030
Oct 13, 20263,503-16
Oct 09, 20263,519No prior observation