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Contract OI history

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Dec 18, 2026 EXPIRATION

CYPH $1.50 Put

CYPH261218P00001500

Latest saved OI10,359Oct 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. 10,3595,1790 2026-10-09: 10,309 OI2026-10-13: 10,309 OI2026-10-15: 10,309 OI2026-10-16: 10,309 OI2026-10-21: 10,359 OI2026-10-23: 10,359 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, 2026Viewing10,3590
Oct 21, 202610,359+50
Oct 16, 202610,3090
Oct 15, 202610,3090
Oct 13, 202610,3090
Oct 09, 202610,309No prior observation