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Contract OI history

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Jan 21, 2028 EXPIRATION

ZM $135.00 Call

ZM280121C00135000

Latest saved OI925Oct 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 $135.00 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. 9254620 2026-10-09: 920 OI2026-10-13: 920 OI2026-10-14: 920 OI2026-10-15: 925 OI2026-10-16: 925 OI2026-10-21: 925 OI2026-10-23: 925 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, 2026Viewing9250
Oct 21, 20269250
Oct 16, 20269250
Oct 15, 2026925+5
Oct 14, 20269200
Oct 13, 20269200
Oct 09, 2026920No prior observation