Acceptable Quote by Robert Prechter
“The correct method for tracking the stock market is to use semilogarithmic chart paper, since the market's history is sensibly related only on a percentage basis. The investor is concerned with percentage gain or loss, not the number of points traveled in a market average. Arithmetic scale is quite acceptable for tracking hourly waves. Channeling techniques work acceptably well on arithmetic scale with shorter term moves.”
About This Quote
Source Book: The Wave Principle of Human Social Behavior, Robert Prechter, 1999
Investors should chart market moves on a log scale to reflect percentage changes, while short‑term moves can use linear scales.
In simple terms: Use log charts for long‑term trends, linear for short‑term.
Key Takeaway
Choose chart scale based on time horizon.
Themes
finance
analysis
methodology
Mood
analytical
practical
Type
educational
technical
When to use this quote
- long‑term investing
- daily trading
- portfolio review
Key Concepts
logarithmic scaling
percentage change
technical analysis
Questions to Reflect On
- How does scale choice affect risk perception?
- When should you switch scales?
A Different Perspective
Linear scales may mislead on large moves.
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