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Contract OI history

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Dec 18, 2026 EXPIRATION

BTDR $20.00 Call

BTDR261218C00020000

Latest saved OI1,488Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BTDR $20.00 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. 1,6268130 2026-10-09: 1,626 OI2026-10-13: 1,511 OI2026-10-14: 1,511 OI2026-10-15: 1,488 OI2026-10-16: 1,488 OI2026-10-21: 1,488 OI2026-10-23: 1,488 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, 2026Viewing1,4880
Oct 21, 20261,4880
Oct 16, 20261,4880
Oct 15, 20261,488-23
Oct 14, 20261,5110
Oct 13, 20261,511-115
Oct 09, 20261,626No prior observation