OITracker Cboe delayed data

Contract OI history

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Nov 27, 2026 EXPIRATION

SERV $7.50 Put

SERV261127P00007500

Latest saved OI130Oct 23, 2026
Last change+2vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SERV $7.50 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. 130650 2026-10-09: 96 OI2026-10-13: 117 OI2026-10-14: 121 OI2026-10-16: 121 OI2026-10-20: 128 OI2026-10-23: 130 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, 2026Viewing130+2
Oct 20, 2026128+7
Oct 16, 20261210
Oct 14, 2026121+4
Oct 13, 2026117+21
Oct 09, 202696No prior observation