Arms Index

  1. Introduction To The Arms Index

    Developed in 1967 by Richard Arms, this volume-based breadth indicator can be applied ...
  1. Why is the Arms Index (TRIN) important for traders?

    Learn more about the Arms Index, or TRIN, and how traders and chartists use the Arms to measure market volatility and trading ...
  2. Why is the Breadth Indicator useful for tracking the overall economy?

    See how analysts might use technical breadth indicators to judge the health of the economy as a whole, and learn why one ...
  3. How is the Arms Index (TRIN) calculated?

    Read how to calculate the Arms Index, or TRIN, using the ratio and volume of advances and declines in any given stock index ...
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