Definitions
In plain terms
The absolute band width is unchanged by a common shift, but the middle-band denominator moves.
Technical
For positive shifted centers, the new BandWidth equals the same numerator divided by the shifted middle and therefore generally differs.
Scope
This contrasts with positive multiplicative scale invariance and matters in synthetic or transformed price series.
Examples
- A reviewer traces BandWidth Additive-Shift Sensitivity from aligned inputs through its first-ready row and edge cases before accepting a displayed value.
Common misconceptions
- This contrasts with positive multiplicative scale invariance and matters in synthetic or transformed price series.
Concept relationships
Prerequisites
Related
Contrasts with
Where this concept is used
Evidence and governance
- Bollinger Bands Rules John Bollinger · first party methodology
Supports: preferred label, short definition, technical definition
Limits: Interpretive rules do not prove forecasting power, trade profitability, or one universal parameter selection.
- Bollinger BandWidth TradingView · official platform documentation
Supports: preferred label, short definition, technical definition
Limits: No universal squeeze threshold, breakout direction, causal forecast, or profitability claim is adopted.
- Reviewed by
- fintech-builder-batch-009
- Last reviewed
- 2026-07-30
- Next review
- 2027-07-30
- Record status
- published