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Contract OI history

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Jan 21, 2028 EXPIRATION

BTCS $1.50 Put

BTCS280121P00001500

Latest saved OI423Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
BTCS $1.50 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 4232110 2026-10-08: 406 OI2026-10-09: 407 OI2026-10-13: 410 OI2026-10-14: 410 OI2026-10-16: 421 OI2026-10-20: 422 OI2026-10-23: 423 OI Oct 08, 2026Oct 23, 2026

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

BTCS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing423+1
Oct 20, 2026422+1
Oct 16, 2026421+11
Oct 14, 20264100
Oct 13, 2026410+3
Oct 09, 2026407+1
Oct 08, 2026406No prior observation