OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

SERV $5.00 Put

SERV270115P00005000

Latest saved OI4,472Oct 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 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. 4,4732,2360 2026-10-09: 4,473 OI2026-10-13: 4,473 OI2026-10-14: 4,473 OI2026-10-16: 4,473 OI2026-10-20: 4,471 OI2026-10-23: 4,472 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, 2026Viewing4,472+1
Oct 20, 20264,471-2
Oct 16, 20264,4730
Oct 14, 20264,4730
Oct 13, 20264,4730
Oct 09, 20264,473No prior observation