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Contract OI history

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Mar 19, 2027 EXPIRATION

CYPH $2.50 Call

CYPH270319C00002500

Latest saved OI2,927Oct 23, 2026
Last change-5vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CYPH $2.50 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2,9481,4740 2026-10-09: 2,750 OI2026-10-13: 2,903 OI2026-10-15: 2,897 OI2026-10-16: 2,948 OI2026-10-21: 2,932 OI2026-10-23: 2,927 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, 2026Viewing2,927-5
Oct 21, 20262,932-16
Oct 16, 20262,948+51
Oct 15, 20262,897-6
Oct 13, 20262,903+153
Oct 09, 20262,750No prior observation