OITracker Cboe delayed data

Contract OI history

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Nov 13, 2026 EXPIRATION

SERV $5.00 Call

SERV261113C00005000

Latest saved OI575Oct 23, 2026
Last change-19vs 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. 5942970 2026-10-09: 138 OI2026-10-13: 504 OI2026-10-14: 507 OI2026-10-16: 507 OI2026-10-20: 594 OI2026-10-23: 575 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, 2026Viewing575-19
Oct 20, 2026594+87
Oct 16, 20265070
Oct 14, 2026507+3
Oct 13, 2026504+366
Oct 09, 2026138No prior observation