DEFINITION of 'Haurlan Index'
A technical analysis indicator, developed by P.N. Haurlan, that is used to detect market breadth. There are three components of the Haurlan index:
Short Term: a 3day exponential moving average is taken of the net NYSE advances over declines.
Intermediate Term: same, using a 20day exponential moving average.
Long Term:same, using a 200day exponential moving average.
Next Up
BREAKING DOWN 'Haurlan Index'
Each of the three components is used to detect a different movement, whether it is momentum, breakouts, or resistance.
RELATED TERMS

Toraku Index
A technical indicator that compares the number of advancing stocks ... 
Triple Exponential Moving Average ...
A technical indicator used for smoothing price and other data. ... 
Absolute Breadth Index  ABI
A market indicator used to determine volatility levels in the ... 
Exponential Growth
A pattern of increasing prices that resembles the curve of an ... 
Data Smoothing
The use of an algorithm to remove noise from a data set, allowing ... 
Ease Of Movement
A technical momentum indicator that is used to illustrate the ...
Related Articles

Markets
Use The Percentage Price Oscillator: The "Elegant Indicator" For Picking Stocks
Technical analysis is basically an attempt to disprove the credo that "Past performance is not indicative of future results." The percentage price oscillator, which measures momentum, is among ... 
Trading
Weighted Moving Averages: The Basics
We take a closer look at the linearly weighted moving average and the exponentially smoothed moving average. 
Trading
Do Adaptive Moving Averages Lead To Better Results?
These complex indicators can help traders interpret trend changes, but are they too good to be true? 
Retirement
Why Investors Should Care About Compound Interest
Learn about compounding interest and how it impacts savings decisions, debt management, investment strategies and retirement planning. 
Trading
Simple Vs. Exponential Moving Averages
These technical indicators help investors to visualize trends by smoothing out price movements. 
Investing
How To Use A Moving Average To Buy Stocks
The Moving Average indicator is one of the most useful tools for trading and analyzing financial markets. 
ETFs & Mutual Funds
Using Moving Averages to Buy ETFs
Learn how to use moving averages to enter and exit trades in ETFs, and understand some popular technical setups using moving averages. 
Trading
Simple Moving Averages Make Trends Stand Out
The moving average is easy to calculate and, once plotted on a chart, is a powerful visual trendspotting tool. 
Trading
Double Exponential Moving Averages Explained
This tweak on moving averages gives traders faster access to the information they need. 
Trading
Use Moving Averages to Buy Stocks
A moving average constantly updates a stock's average price, but it cannot predict a stock's performance.
RELATED FAQS

What is the Haurlan Index formula and how is it calculated?
Read about the three major components of the Haurlan index, a technical breadth indicator based on the A/D Line of the NYSE ... Read Answer >> 
What is a common strategy traders implement when using the Haurlan Index?
Understand the fundamental dynamics behind the Haurlan Index and read about trading strategies based on its three component ... Read Answer >> 
How do traders interpret a divergence of the Haurlan Index?
Learn about the Haurlan Index, a threepart market breadth indicator used to qualify the strength of market movements and ... Read Answer >> 
What are the best technical indicators to complement the Haurlan Index?
Discover which technical indicators make the best complements to the Haurlan index, a market breadth tool designed to identify ... Read Answer >> 
Why is the Haurlan Index important for traders and analysts?
Read how traders and analysts use the Haurlan Index to determine overbought and oversold conditions on major market indexes ... Read Answer >> 
How do I use the Haurlan Index to create a forex trading strategy?
See how the three components of the Haurlan index can be used by forex traders to assess the strength of buyers and sellers ... Read Answer >>