OITracker Cboe delayed data

Contract OI history

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Mar 19, 2027 EXPIRATION

SERV $5.00 Call

SERV270319C00005000

Latest saved OI2,389Oct 23, 2026
Last change+23vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SERV $5.00 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. 2,3891,1940 2026-10-09: 1,927 OI2026-10-13: 2,291 OI2026-10-14: 2,387 OI2026-10-16: 2,387 OI2026-10-20: 2,366 OI2026-10-23: 2,389 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, 2026Viewing2,389+23
Oct 20, 20262,366-21
Oct 16, 20262,3870
Oct 14, 20262,387+96
Oct 13, 20262,291+364
Oct 09, 20261,927No prior observation