Force Index

What 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


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.


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