I just realized that quite a few members in the community still don't fully understand Heiken Ashi candles (HA) — a technical analysis tool that is actually very useful if used correctly.

Heiken Ashi candles are called "Average Price Bars" in Japanese, which is quite understandable because they are calculated based on the average values from current and past data. Unlike regular Japanese candlesticks, HA charts are smoothed using average values, so the lines look more fluid, similar to the Moving Average (MA) lines we often use.

The calculation method for HA candles isn't very complicated. The open price of an HA candle is the average of the open and close prices of the previous HA candle. The close price is calculated as the average of four prices (open, close, high, low) of the current candle. The high and low are taken as the highest and lowest among these three levels, respectively. It sounds complex, but the tool does the calculations for you.

In fact, the advantage of Heiken Ashi is that it helps you see the trend more clearly. The continuous green-red chart is easier to read than traditional Japanese candlesticks, and it eliminates most market noise. When looking at HA candles, you're less affected by small fluctuations and more psychologically stable. It's very suitable for timeframes like 15 minutes, 30 minutes, 1 hour, 4 hours, daily, or weekly.

However, Heiken Ashi candles also have disadvantages. Since they are based on past data, this model has a certain lag — which is a characteristic feature. Reversal signals tend to come later compared to Japanese candlesticks, so traders using 1-5 minute charts may find it less effective. Additionally, HA candles do not display the exact current price, and they are not suitable for active take-profit or stop-loss strategies.

I mainly use Heiken Ashi candles to identify the trend. When I see consecutive green candles with long bodies, long upper shadows, and short or no lower shadows, that’s a clear bullish trend signal — at this point, I consider buying. Conversely, red candles with long bodies, long lower shadows, and short upper shadows indicate a sustained downtrend — possibly a signal to sell.

The great thing about Heiken Ashi is that it also helps detect reversal signals. When a Doji candle (short body, long upper and lower shadows) appears, it indicates the market is pausing the current trend and may reverse. If a green Doji appears, the market might switch from uptrend to downtrend — so consider selling. If a red Doji appears, the market might switch from downtrend to uptrend — so consider buying. However, Doji candles can appear quite frequently, so they are not always true reversal signals. I recommend combining them with other indicators for more accurate confirmation and to reduce risks.