Definitions
In plain terms
It places high-low breadth on a zero-to-100 scale when at least one eligible issue made an extreme.
Technical
Compute 100*NH/(NH+NL) and declare the result missing when the denominator is zero unless another policy is explicitly governed.
Scope
It is not the NH/NL High-Low Ratio.
Formula
High-low index = 100 * NH / (NH + NL)HLI=100\frac{NH}{NH+NL}| Symbol | Meaning | Unit |
|---|---|---|
NH | new-high issues | issues |
NL | new-low issues | issues |
Output unit: percent
Examples
- A Fintech Builder lesson can compute or identify High-Low Index only after declaring its inputs, timing, and edge-case rules.
Common misconceptions
- It is not the NH/NL High-Low Ratio.
Concept relationships
Prerequisites
Where this concept is used
Evidence and governance
- High-Low Index StockCharts ChartSchool · secondary methodology
Supports: preferred label, short definition, technical definition, formula
Limits: Examples are educational and provider-specific; they do not prescribe a universal universe, lookback, or trading rule.
- Reviewed by
- fintech-builder-batch-005
- Last reviewed
- 2026-07-27
- Next review
- 2027-07-27
- Record status
- evidence reviewed
This record is evidence-reviewed and readable, but not yet promoted to published — it is served noindex,follow and excluded from the sitemap.