OITracker Cboe delayed data

Contract OI history

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Nov 06, 2026 EXPIRATION

MSFT $555.00 Call

MSFT261106C00555000

Latest saved OI394Oct 23, 2026
Last change-4vs 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. 3981990 2026-10-09: 240 OI2026-10-13: 372 OI2026-10-14: 372 OI2026-10-15: 335 OI2026-10-16: 358 OI2026-10-21: 398 OI2026-10-23: 394 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, 2026Viewing394-4
Oct 21, 2026398+40
Oct 16, 2026358+23
Oct 15, 2026335-37
Oct 14, 20263720
Oct 13, 2026372+132
Oct 09, 2026240No prior observation