OITracker Cboe delayed data

Contract OI history

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Feb 19, 2027 EXPIRATION

SERV $4.00 Put

SERV270219P00004000

Latest saved OI1,394Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SERV $4.00 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. 1,3946970 2026-10-09: 1,394 OI2026-10-13: 1,394 OI2026-10-14: 1,394 OI2026-10-16: 1,394 OI2026-10-20: 1,394 OI2026-10-23: 1,394 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, 2026Viewing1,3940
Oct 20, 20261,3940
Oct 16, 20261,3940
Oct 14, 20261,3940
Oct 13, 20261,3940
Oct 09, 20261,394No prior observation