OITracker Cboe delayed data

Contract OI history

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Nov 06, 2026 EXPIRATION

SERV $8.00 Put

SERV261106P00008000

Latest saved OI161Oct 23, 2026
Last change-26vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SERV $8.00 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. 187930 2026-10-09: 178 OI2026-10-13: 178 OI2026-10-14: 179 OI2026-10-16: 183 OI2026-10-20: 187 OI2026-10-23: 161 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, 2026Viewing161-26
Oct 20, 2026187+4
Oct 16, 2026183+4
Oct 14, 2026179+1
Oct 13, 20261780
Oct 09, 2026178No prior observation