OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

BUR $2.50 Put

BUR280121P00002500

Latest saved OI7,227Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BUR $2.50 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. 7,2273,6130 2026-10-02: 6,888 OI2026-10-05: 6,888 OI2026-10-06: 6,908 OI2026-10-07: 6,908 OI2026-10-08: 6,911 OI2026-10-09: 7,173 OI2026-10-13: 7,173 OI2026-10-14: 7,173 OI2026-10-16: 7,179 OI2026-10-20: 7,227 OI2026-10-23: 7,227 OI Oct 02, 2026Oct 23, 2026

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

BUR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing7,2270
Oct 20, 20267,227+48
Oct 16, 20267,179+6
Oct 14, 20267,1730
Oct 13, 20267,1730
Oct 09, 20267,173+262
Oct 08, 20266,911+3
Oct 07, 20266,9080
Oct 06, 20266,908+20
Oct 05, 20266,8880
Oct 02, 20266,888No prior observation