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Contract OI history

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Jan 15, 2027 EXPIRATION

BTDR $12.50 Put

BTDR270115P00012500

Latest saved OI349Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BTDR $12.50 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. 3521760 2026-10-09: 339 OI2026-10-13: 352 OI2026-10-14: 352 OI2026-10-15: 352 OI2026-10-16: 350 OI2026-10-21: 350 OI2026-10-23: 349 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, 2026Viewing349-1
Oct 21, 20263500
Oct 16, 2026350-2
Oct 15, 20263520
Oct 14, 20263520
Oct 13, 2026352+13
Oct 09, 2026339No prior observation