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Contract OI history

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Jan 21, 2028 EXPIRATION

BTDR $7.50 Call

BTDR280121C00007500

Latest saved OI723Oct 23, 2026
Last change+132vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BTDR $7.50 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 7233610 2026-10-09: 498 OI2026-10-13: 529 OI2026-10-14: 545 OI2026-10-15: 553 OI2026-10-16: 617 OI2026-10-21: 591 OI2026-10-23: 723 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, 2026Viewing723+132
Oct 21, 2026591-26
Oct 16, 2026617+64
Oct 15, 2026553+8
Oct 14, 2026545+16
Oct 13, 2026529+31
Oct 09, 2026498No prior observation