OITracker Cboe delayed data

Contract OI history

Back to SERV

Dec 18, 2026 EXPIRATION

SERV $8.00 Call

SERV261218C00008000

Latest saved OI804Oct 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 $8.00 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. 8334160 2026-10-09: 833 OI2026-10-13: 805 OI2026-10-14: 805 OI2026-10-16: 805 OI2026-10-20: 804 OI2026-10-23: 804 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, 2026Viewing8040
Oct 20, 2026804-1
Oct 16, 20268050
Oct 14, 20268050
Oct 13, 2026805-28
Oct 09, 2026833No prior observation