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Contract OI history

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Oct 30, 2026 EXPIRATION

MSFT $540.00 Call

MSFT261030C00540000

Latest saved OI4,059Oct 23, 2026
Last change+127vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $540.00 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. 4,0592,0290 2026-10-09: 3,532 OI2026-10-13: 3,632 OI2026-10-14: 3,632 OI2026-10-15: 3,622 OI2026-10-16: 3,747 OI2026-10-21: 3,932 OI2026-10-23: 4,059 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, 2026Viewing4,059+127
Oct 21, 20263,932+185
Oct 16, 20263,747+125
Oct 15, 20263,622-10
Oct 14, 20263,6320
Oct 13, 20263,632+100
Oct 09, 20263,532No prior observation