OITracker Cboe delayed data

Contract OI history

Back to SERV

Jan 15, 2027 EXPIRATION

SERV $9.00 Call

SERV270115C00009000

Latest saved OI441Oct 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 $9.00 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. 4462230 2026-10-09: 427 OI2026-10-13: 443 OI2026-10-14: 446 OI2026-10-16: 441 OI2026-10-20: 441 OI2026-10-23: 441 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, 2026Viewing4410
Oct 20, 20264410
Oct 16, 2026441-5
Oct 14, 2026446+3
Oct 13, 2026443+16
Oct 09, 2026427No prior observation