OITracker Cboe delayed data

Contract OI history

Back to SERV

Feb 19, 2027 EXPIRATION

SERV $7.00 Put

SERV270219P00007000

Latest saved OI160Oct 23, 2026
Last change+1vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SERV $7.00 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 165820 2026-10-09: 165 OI2026-10-13: 165 OI2026-10-14: 160 OI2026-10-16: 158 OI2026-10-20: 159 OI2026-10-23: 160 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, 2026Viewing160+1
Oct 20, 2026159+1
Oct 16, 2026158-2
Oct 14, 2026160-5
Oct 13, 20261650
Oct 09, 2026165No prior observation