OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

SERV $7.00 Call

SERV261218C00007000

Latest saved OI1,942Oct 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 $7.00 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. 1,9429710 2026-10-09: 1,913 OI2026-10-13: 1,918 OI2026-10-14: 1,899 OI2026-10-16: 1,899 OI2026-10-20: 1,942 OI2026-10-23: 1,942 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, 2026Viewing1,9420
Oct 20, 20261,942+43
Oct 16, 20261,8990
Oct 14, 20261,899-19
Oct 13, 20261,918+5
Oct 09, 20261,913No prior observation