Forex glossary

Kagi Charts

A Kagi chart draws connected price lines that reverse after an opposing move exceeds a chosen threshold. Line thickness changes after prior highs or lows are breached under the platform's rules. Horizontal spacing does not represent equal time periods; threshold and input data affect construction.

Illustrative example

How does it work in practice?

Assume a fixed two-dollar Kagi reversal threshold and an upward line reaching 110. A retracement to 109 is insufficient, while reaching 108 meets the hypothetical rule for reversing the line's direction.

A case to work through

A move absent from the close

A hypothetical rising line reaches 50; reversal threshold=3, intrabar low=46 and close=49.

  1. A fuller stream records an opposing move of 4, exceeding the threshold.
  2. Close-only input records a retracement of 1 and may not represent that event.

What follows? Compare charts using the same input and threshold.

Example boundary: Detailed construction depends on the platform; lines are not equal time units.

A useful distinction

Kagi Charts / Renko Charts

Kagi reverses lines after a reversal threshold; Renko builds bricks of a specified size.

Check your understanding

Distinguish an intrabar path from its closing observation.

A line reached 80, threshold=4 and the only new close is 78. Does that close exceed the threshold?

Show the answer and explanation

No; the retracement is 2

It does not reach the threshold of 4.

Volatility and transformed data

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Sources and documentation

  • TradingView – Kagi

    Reversal thresholds, line construction and dependence on source resolution.

    Document read:

The example illustrates the mechanism. Check current account conditions and instrument specifications with the provider.

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