OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

EU $1.50 Put

EU1280121P00001500

Latest saved OI168Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
EU $1.50 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. 168840 2026-10-09: 164 OI2026-10-13: 164 OI2026-10-14: 164 OI2026-10-16: 168 OI2026-10-20: 168 OI2026-10-23: 168 OI Oct 09, 2026Oct 23, 2026

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

EU contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1680
Oct 20, 20261680
Oct 16, 2026168+4
Oct 14, 20261640
Oct 13, 20261640
Oct 09, 2026164No prior observation