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Contract OI history

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Mar 19, 2027 EXPIRATION

TENB $55.00 Call

TENB270319C00055000

Latest saved OI163Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
TENB $55.00 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 163810 2026-10-09: 161 OI2026-10-13: 162 OI2026-10-14: 163 OI2026-10-16: 163 OI2026-10-20: 163 OI2026-10-23: 163 OI Oct 09, 2026Oct 23, 2026

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

TENB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1630
Oct 20, 20261630
Oct 16, 20261630
Oct 14, 2026163+1
Oct 13, 2026162+1
Oct 09, 2026161No prior observation