OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

SERV $40.00 Call

SERV270115C00040000

Latest saved OI1,190Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SERV $40.00 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. 1,1905950 2026-10-09: 1,190 OI2026-10-13: 1,190 OI2026-10-14: 1,190 OI2026-10-16: 1,190 OI2026-10-20: 1,190 OI2026-10-23: 1,190 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, 2026Viewing1,1900
Oct 20, 20261,1900
Oct 16, 20261,1900
Oct 14, 20261,1900
Oct 13, 20261,1900
Oct 09, 20261,190No prior observation