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Contract OI history

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Oct 23, 2026 EXPIRATION

MSFT $520.00 Call

MSFT261023C00520000

Latest saved OI579Oct 23, 2026
Last change-31vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $520.00 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. 6653320 2026-10-09: 661 OI2026-10-13: 665 OI2026-10-14: 665 OI2026-10-15: 659 OI2026-10-16: 653 OI2026-10-21: 610 OI2026-10-23: 579 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, 2026Viewing579-31
Oct 21, 2026610-43
Oct 16, 2026653-6
Oct 15, 2026659-6
Oct 14, 20266650
Oct 13, 2026665+4
Oct 09, 2026661No prior observation