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Contract OI history

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Mar 19, 2027 EXPIRATION

CYPH $1.50 Put

CYPH270319P00001500

Latest saved OI290Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CYPH $1.50 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2901450 2026-10-09: 289 OI2026-10-13: 289 OI2026-10-15: 289 OI2026-10-16: 290 OI2026-10-21: 290 OI2026-10-23: 290 OI Oct 09, 2026Oct 23, 2026

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

CYPH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2900
Oct 21, 20262900
Oct 16, 2026290+1
Oct 15, 20262890
Oct 13, 20262890
Oct 09, 2026289No prior observation