OITracker Cboe delayed data

Contract OI history

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Feb 19, 2027 EXPIRATION

SERV $15.00 Put

SERV270219P00015000

Latest saved OI131Oct 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 $15.00 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. 143710 2026-10-09: 143 OI2026-10-13: 143 OI2026-10-14: 143 OI2026-10-16: 143 OI2026-10-20: 131 OI2026-10-23: 131 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, 2026Viewing1310
Oct 20, 2026131-12
Oct 16, 20261430
Oct 14, 20261430
Oct 13, 20261430
Oct 09, 2026143No prior observation