OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

SERV $5.00 Call

SERV261120C00005000

Latest saved OI8,383Oct 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 $5.00 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. 8,3934,1960 2026-10-09: 8,152 OI2026-10-13: 8,178 OI2026-10-14: 8,393 OI2026-10-16: 8,390 OI2026-10-20: 8,382 OI2026-10-23: 8,383 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, 2026Viewing8,383+1
Oct 20, 20268,382-8
Oct 16, 20268,390-3
Oct 14, 20268,393+215
Oct 13, 20268,178+26
Oct 09, 20268,152No prior observation