OITracker Cboe delayed data

Contract OI history

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Nov 06, 2026 EXPIRATION

SERV $6.00 Call

SERV261106C00006000

Latest saved OI111Oct 23, 2026
Last change-5vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SERV $6.00 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. 119590 2026-10-09: 117 OI2026-10-13: 119 OI2026-10-14: 119 OI2026-10-16: 118 OI2026-10-20: 116 OI2026-10-23: 111 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, 2026Viewing111-5
Oct 20, 2026116-2
Oct 16, 2026118-1
Oct 14, 20261190
Oct 13, 2026119+2
Oct 09, 2026117No prior observation