OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

SERV $7.00 Put

SERV270115P00007000

Latest saved OI1,549Oct 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 $7.00 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. 1,6598290 2026-10-09: 1,659 OI2026-10-13: 1,569 OI2026-10-14: 1,566 OI2026-10-16: 1,566 OI2026-10-20: 1,548 OI2026-10-23: 1,549 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, 2026Viewing1,549+1
Oct 20, 20261,548-18
Oct 16, 20261,5660
Oct 14, 20261,566-3
Oct 13, 20261,569-90
Oct 09, 20261,659No prior observation