What is the Heikin-Ashi Technique?
The Heikin-Ashi approach averages price data to eliminate market noise and generate Japanese candlestick charts. Heikin-Ashi charts, created by Munehisa Homma in the 1700s, resemble candlestick charts but differ in candle values. Heikin-Ashi charts employ two-period averages instead of typical candlestick charts using open, high, low, and close. This smooths the chart, making trends and reversals easier to see but hiding gaps and price data.
Calculating
- Use formulae to manufacture the first Heikin-Ashi (HA) candle in one era. For example, generate the first HA close price using high, low, open, and close. Create the first HA open with open and close. The first HA highs and lows of the period
- Calculate the HA candles using the formulas after calculating the first HA.
- Use that period’s open, high, low, and close to compute the following close.
- Calculate the next open using the previous open and close.
- Choose the current period’s high max or HA open or close to determine the next high.
- Choose the current period’s low max, HA open, or close to compute the next low.
- Remember that HA open and close differ from period open and close for steps five and six. Steps three and four computed HA open and close.
What Does Heikin Say?
The Heikin-Ashi method helps technical traders spot trends. Hollow white (or green) candles without lower shadows indicate strong uptrends, whereas entire black (or red) candles without higher shadows indicate strong downtrends.
The Heikin-Ashi method produces candlestick reversal patterns with tiny bodies and extended higher and lower shadows, comparable to classic candlesticks. Since Heikin-Ashi charts use preceding candle data, there are no gaps.
The Heikin-Ashi approach smooths price data over two periods, making trends, patterns, and reversal points more straightforward. Traditional candlestick charts are hard to comprehend since candles often move up and down. Traders may quickly recognize prior market moves with Heikin-Ashi charts containing more consecutive colored candles.
The heikin-Ashi approach minimizes erroneous trading signals in sideways and turbulent markets, guiding traders to avoid such transactions. A trader using the Heikin-Ashi approach may only receive the actual signal instead of two false reversal candles before a trend.
Compare Heikin-Ashi with Renko charts.
Heikin-Ashi charts use two-period averages. However, Renko charts only show significant moves.
Renko charts have a time axis, but the boxes or bricks move. HA candles form every period. However, Renko charts only develop bricks and boxes when the price moves to a particular amount.
Some limitations
Heikin-Ashi trade setups take longer since they employ price data from two periods. Swing traders who have time to let their transactions play out typically do not face this challenge. Heikin-Ashi charts may not be sensitive enough for day traders who need to capitalize on price changes.
Averaged data hides vital pricing information. Many traders value daily closing prices, yet Heikin-Ashi charts do not show them. The trader sees the averaged HA closing value. To manage risk, traders must know the actual price, not simply the HA-averaged numbers.
Another crucial technical analysis aspect absent from Heikin charts is price gaps. Many traders employ gaps for price momentum analysis, stop-loss levels, and entry triggers.
Heikin-Ashi Candlestick Example
Hieken-Ashi charts work in any market and are available on most charting systems. Five main signs indicate trends and purchasing opportunities:
- No lower “shadows” on hollow or green candles imply a strong uptrend. Ride your profits!
- Green or hollow candles indicate an uptrend. Consider increasing your long position and exiting short holdings.
- A candle with a tiny body and upper and lower shadows indicates a trend shift. Risk-takers may purchase or sell here, while others will wait for confirmation.
- If filled or red candles suggest a decline, consider shorting and exiting long holdings.
- Filled red candles without higher shadows indicate a significant downtrend. Stay short until the trend changes.
These indications may help find trends and trade opportunities faster than candlesticks. Fewer spurious signals disrupt trends, making them easier to recognize.
Conclusion
- Unlike standard candlestick charts, Heikin-Ashi reduces market noise to show trend direction better.
- Heikin-Ashi loses price data while averaging, which may impact risk.
- Long-down candles with minimal upper shadow indicate significant selling pressure, whereas long up candles with little or no lower shadow indicate intense purchasing pressure.

