OITracker Cboe delayed data

Contract OI history

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Nov 06, 2026 EXPIRATION

SERV $3.00 Put

SERV261106P00003000

Latest saved OI582Oct 23, 2026
Last change+34vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SERV $3.00 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. 5822910 2026-10-09: 0 OI2026-10-13: 548 OI2026-10-14: 548 OI2026-10-16: 548 OI2026-10-20: 548 OI2026-10-23: 582 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, 2026Viewing582+34
Oct 20, 20265480
Oct 16, 20265480
Oct 14, 20265480
Oct 13, 2026548+548
Oct 09, 20260No prior observation