OITracker Cboe delayed data

Contract OI history

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Feb 19, 2027 EXPIRATION

SERV $8.00 Put

SERV270219P00008000

Latest saved OI429Oct 23, 2026
Last change-4vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SERV $8.00 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. 5132560 2026-10-09: 433 OI2026-10-13: 513 OI2026-10-14: 433 OI2026-10-16: 433 OI2026-10-20: 433 OI2026-10-23: 429 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, 2026Viewing429-4
Oct 20, 20264330
Oct 16, 20264330
Oct 14, 2026433-80
Oct 13, 2026513+80
Oct 09, 2026433No prior observation