OITracker Cboe delayed data

Contract OI history

Back to SERV

Jan 15, 2027 EXPIRATION

SERV $12.00 Call

SERV270115C00012000

Latest saved OI3,328Oct 23, 2026
Last change-3vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SERV $12.00 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. 3,3311,6650 2026-10-09: 3,235 OI2026-10-13: 3,216 OI2026-10-14: 3,213 OI2026-10-16: 3,207 OI2026-10-20: 3,331 OI2026-10-23: 3,328 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, 2026Viewing3,328-3
Oct 20, 20263,331+124
Oct 16, 20263,207-6
Oct 14, 20263,213-3
Oct 13, 20263,216-19
Oct 09, 20263,235No prior observation