OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

XYZ $55.00 Put

XYZ270115P00055000

Latest saved OI1,714Oct 23, 2026
Last change-3vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
XYZ $55.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,7538760 2026-10-02: 1,638 OI2026-10-05: 1,638 OI2026-10-06: 1,724 OI2026-10-07: 1,724 OI2026-10-08: 1,724 OI2026-10-09: 1,724 OI2026-10-14: 1,724 OI2026-10-15: 1,753 OI2026-10-16: 1,713 OI2026-10-21: 1,717 OI2026-10-23: 1,714 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

XYZ contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,714-3
Oct 21, 20261,717+4
Oct 16, 20261,713-40
Oct 15, 20261,753+29
Oct 14, 20261,7240
Oct 09, 20261,7240
Oct 08, 20261,7240
Oct 07, 20261,7240
Oct 06, 20261,724+86
Oct 05, 20261,6380
Oct 02, 20261,638No prior observation