OITracker Cboe delayed data

Contract OI history

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Mar 19, 2027 EXPIRATION

SERV $10.00 Put

SERV270319P00010000

Latest saved OI469Oct 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 $10.00 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. 4702350 2026-10-09: 459 OI2026-10-13: 459 OI2026-10-14: 458 OI2026-10-16: 458 OI2026-10-20: 470 OI2026-10-23: 469 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, 2026Viewing469-1
Oct 20, 2026470+12
Oct 16, 20264580
Oct 14, 2026458-1
Oct 13, 20264590
Oct 09, 2026459No prior observation