Force IndexWhat is the force index ?
The force index is an oscillator used to confirm price breakout strengths and identify potential trends.
It was popularized by A. Elder.
How the force index is computed ?
Knowing that volume is the fuel of a price movement, reliable breakouts and trend continuation are more likely to occur on high volume breakouts. This is why the force index is computed with the intensity of the price movement, and it's volume , using the formula ema13((close(n) - close(n-1)) * volume ) .
How to use the force index
An important change in the force index indicate a strong momentum in the price action.
You can read more about the force index interpretation on Investopedia
Customization
You can display the indicator as an histogram, or as a line chart.
You can change EMA length, although it's recommended to keep it at default value.
Forceindeximpulse
Elder's force index impulseForce Index is an oscillator. It combines volume with prices
to discover the force of bulls or bears behind every rally or decline.
It brings together three essential pieces of information the direction of price
change, its extent, and the volume during that change. It provides a practical way of
using volume for making trading decisions.
Force Index can be used in its raw form, but its signals stand out much more
clearly if we smooth it with a moving average. Using a short EMA of Force Index
helps pinpoint entry and exit points. Using a longer EMA helps confirm trends.
Efi long > 0 (bullish trend) and efi short < 0 = buy signal (green bar)
Efi long < 0 (bear trend) and efi short>0 = sell signal (red bar)