OITracker Cboe delayed data

Contract OI history

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Jan 19, 2029 EXPIRATION

SERV $3.00 Put

SERV290119P00003000

Latest saved OI45Oct 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 $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. 45220 2026-10-09: 33 OI2026-10-13: 34 OI2026-10-14: 37 OI2026-10-16: 37 OI2026-10-20: 40 OI2026-10-23: 45 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, 2026Viewing45+5
Oct 20, 202640+3
Oct 16, 2026370
Oct 14, 202637+3
Oct 13, 202634+1
Oct 09, 202633No prior observation