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Contract OI history

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Mar 19, 2027 EXPIRATION

CYPH $2.00 Put

CYPH270319P00002000

Latest saved OI347Oct 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 $2.00 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. 4452220 2026-10-09: 347 OI2026-10-13: 347 OI2026-10-15: 445 OI2026-10-16: 345 OI2026-10-21: 347 OI2026-10-23: 347 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, 2026Viewing3470
Oct 21, 2026347+2
Oct 16, 2026345-100
Oct 15, 2026445+98
Oct 13, 20263470
Oct 09, 2026347No prior observation