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Contract OI history

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Jan 15, 2027 EXPIRATION

ZM $55.00 Put

ZM270115P00055000

Latest saved OI2,033Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZM $55.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2,0411,0200 2026-10-09: 2,041 OI2026-10-13: 2,041 OI2026-10-14: 2,041 OI2026-10-15: 2,033 OI2026-10-16: 2,033 OI2026-10-21: 2,033 OI2026-10-23: 2,033 OI Oct 09, 2026Oct 23, 2026

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

ZM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20262,0330
Oct 21, 2026Viewing2,0330
Oct 16, 20262,0330
Oct 15, 20262,033-8
Oct 14, 20262,0410
Oct 13, 20262,0410
Oct 09, 20262,041No prior observation