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Contract OI history

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Aug 20, 2027 EXPIRATION

ZBRA $550.00 Call

ZBRA270820C00550000

Latest saved OI25Oct 23, 2026
Last change+10vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZBRA $550.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 25120 2026-10-09: 11 OI2026-10-12: 11 OI2026-10-14: 15 OI2026-10-15: 15 OI2026-10-16: 15 OI2026-10-21: 15 OI2026-10-23: 25 OI Oct 09, 2026Oct 23, 2026

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

ZBRA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing25+10
Oct 21, 2026150
Oct 16, 2026150
Oct 15, 2026150
Oct 14, 202615+4
Oct 12, 2026110
Oct 09, 202611No prior observation