OITracker Cboe delayed data

Contract OI history

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Oct 23, 2026 EXPIRATION

BRUN $12.00 Put

BRUN261023P00012000

Latest saved OI200Oct 23, 2026
Last change-19vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
BRUN $12.00 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 2,0011,0000 2026-10-08: 11 OI2026-10-13: 2,001 OI2026-10-14: 235 OI2026-10-15: 220 OI2026-10-16: 219 OI2026-10-21: 219 OI2026-10-23: 200 OI Oct 08, 2026Oct 23, 2026

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

BRUN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing200-19
Oct 21, 20262190
Oct 16, 2026219-1
Oct 15, 2026220-15
Oct 14, 2026235-1,766
Oct 13, 20262,001+1,990
Oct 08, 202611No prior observation