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Contract OI history

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Sep 17, 2027 EXPIRATION

MSFT $420.00 Call

MSFT270917C00420000

Latest saved OI302Oct 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 $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. 3021510 2026-10-09: 292 OI2026-10-13: 299 OI2026-10-14: 299 OI2026-10-15: 298 OI2026-10-16: 299 OI2026-10-21: 302 OI2026-10-23: 302 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, 2026Viewing3020
Oct 21, 2026302+3
Oct 16, 2026299+1
Oct 15, 2026298-1
Oct 14, 20262990
Oct 13, 2026299+7
Oct 09, 2026292No prior observation