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Contract OI history

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Dec 18, 2026 EXPIRATION

BTDR $5.00 Put

BTDR261218P00005000

Latest saved OI624Oct 23, 2026
Last change-2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BTDR $5.00 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. 6443220 2026-10-09: 607 OI2026-10-13: 607 OI2026-10-14: 607 OI2026-10-15: 644 OI2026-10-16: 626 OI2026-10-21: 626 OI2026-10-23: 624 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, 2026Viewing624-2
Oct 21, 20266260
Oct 16, 2026626-18
Oct 15, 2026644+37
Oct 14, 20266070
Oct 13, 20266070
Oct 09, 2026607No prior observation