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Contract OI history

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Oct 23, 2026 EXPIRATION

MSFT $522.50 Call

MSFT261023C00522500

Latest saved OI565Oct 23, 2026
Last change+315vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $522.50 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. 5652820 2026-10-09: 35 OI2026-10-13: 65 OI2026-10-14: 65 OI2026-10-15: 65 OI2026-10-16: 170 OI2026-10-21: 250 OI2026-10-23: 565 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, 2026Viewing565+315
Oct 21, 2026250+80
Oct 16, 2026170+105
Oct 15, 2026650
Oct 14, 2026650
Oct 13, 202665+30
Oct 09, 202635No prior observation