OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

SERV $10.00 Call

SERV270115C00010000

Latest saved OI7,978Oct 23, 2026
Last change-1vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SERV $10.00 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 8,0174,0080 2026-10-09: 8,017 OI2026-10-13: 8,012 OI2026-10-14: 8,002 OI2026-10-16: 8,014 OI2026-10-20: 7,979 OI2026-10-23: 7,978 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

SERV contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing7,978-1
Oct 20, 20267,979-35
Oct 16, 20268,014+12
Oct 14, 20268,002-10
Oct 13, 20268,012-5
Oct 09, 20268,017No prior observation