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Contract OI history

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Feb 19, 2027 EXPIRATION

BTBT $1000.00 Put

BTBT270219P00001000

Latest saved OI2,178Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BTBT $1000.00 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. 2,1781,0890 2026-10-09: 2,165 OI2026-10-13: 2,165 OI2026-10-14: 2,165 OI2026-10-15: 2,165 OI2026-10-16: 2,168 OI2026-10-21: 2,178 OI2026-10-23: 2,178 OI Oct 09, 2026Oct 23, 2026

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

BTBT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,1780
Oct 21, 20262,178+10
Oct 16, 20262,168+3
Oct 15, 20262,1650
Oct 14, 20262,1650
Oct 13, 20262,1650
Oct 09, 20262,165No prior observation