OITracker Cboe delayed data

Contract OI history

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Mar 19, 2027 EXPIRATION

BTDR $6.00 Put

BTDR270319P00006000

Latest saved OI4,137Oct 23, 2026
Last change-3,600vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BTDR $6.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 7,7373,8680 2026-10-09: 6,099 OI2026-10-13: 6,099 OI2026-10-14: 6,099 OI2026-10-15: 7,383 OI2026-10-16: 7,383 OI2026-10-21: 7,737 OI2026-10-23: 4,137 OI Oct 09, 2026Oct 23, 2026

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

BTDR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing4,137-3,600
Oct 21, 20267,737+354
Oct 16, 20267,3830
Oct 15, 20267,383+1,284
Oct 14, 20266,0990
Oct 13, 20266,0990
Oct 09, 20266,099No prior observation