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Contract OI history

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Oct 30, 2026 EXPIRATION

MSFT $555.00 Call

MSFT261030C00555000

Latest saved OI18,626Oct 23, 2026
Last change+2,010vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $555.00 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. 18,6269,3130 2026-10-09: 15,785 OI2026-10-13: 16,695 OI2026-10-14: 16,695 OI2026-10-15: 16,965 OI2026-10-16: 17,012 OI2026-10-21: 16,616 OI2026-10-23: 18,626 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, 2026Viewing18,626+2,010
Oct 21, 202616,616-396
Oct 16, 202617,012+47
Oct 15, 202616,965+270
Oct 14, 202616,6950
Oct 13, 202616,695+910
Oct 09, 202615,785No prior observation