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Contract OI history

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Dec 18, 2026 EXPIRATION

ZD $55.00 Call

ZD261218C00055000

Latest saved OI737Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ZD $55.00 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 7373680 2026-10-08: 725 OI2026-10-09: 725 OI2026-10-13: 725 OI2026-10-14: 725 OI2026-10-16: 725 OI2026-10-20: 737 OI2026-10-23: 737 OI Oct 08, 2026Oct 23, 2026

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

ZD contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20267370
Oct 20, 2026Viewing737+12
Oct 16, 20267250
Oct 14, 20267250
Oct 13, 20267250
Oct 09, 20267250
Oct 08, 2026725No prior observation