OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

SERV $5.00 Call

SERV261030C00005000

Latest saved OI1,044Oct 23, 2026
Last change-24vs 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. 1,1435710 2026-10-09: 958 OI2026-10-13: 1,143 OI2026-10-14: 1,086 OI2026-10-16: 1,073 OI2026-10-20: 1,068 OI2026-10-23: 1,044 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, 2026Viewing1,044-24
Oct 20, 20261,068-5
Oct 16, 20261,073-13
Oct 14, 20261,086-57
Oct 13, 20261,143+185
Oct 09, 2026958No prior observation