Candlesticks vs Heikin-Ashi
Candlesticks plot the real open, high, low and close of each period. Heikin-ashi averages those values with the previous bar's, so the body you see is a smoothed figure rather than a traded price, and the open in particular never happened.
These are not two ways of drawing the same data. One plots the prices that traded and the other plots a calculation, and the difference matters most at exactly the moment you want to place an order.
What each one is
A candlestick shows the real open, high, low and close of its period. Every edge of it is a price that actually traded. Candlesticks covers the anatomy.
A heikin-ashi bar averages those values. Its close is the average of the bar’s own open, high, low and close; its open is the midpoint of the previous heikin-ashi bar. Heikin-Ashi covers all four formulas.
So one of them contains a price that never existed. The heikin-ashi open is derived from the bar before it, which means it is not a trade, not a quote, and not a level, whereas every part of a candlestick is a real number.
Where they differ
Whether the bodies are real. On a candlestick chart the body spans open to close, both of which happened. On heikin-ashi the body spans two calculated figures, so its size is a statement about smoothed values rather than about the session.
How much noise survives. Heikin-ashi produces long uninterrupted runs of one colour, because each bar carries the previous one inside it. That is the entire appeal, and it is achieved by hiding the alternation that a candlestick chart reports honestly.
Whether you can read a gap. Candlesticks show gaps, because the open is the real open. Heikin-ashi opens are built from the previous bar’s midpoint, so gaps close up and vanish — a real event erased by the construction.
How late each turns. A heikin-ashi bar changing colour needs the smoothed values to cross, which happens after the real bars have already turned. The chart is easier to read and every reading arrives later.
Where they agree
Both are drawn from the same four numbers. Nothing in heikin-ashi comes from outside the open, high, low and close of the bars, so it adds no information — it rearranges what was there.
Both leave the highs and lows intact in spirit. The heikin-ashi high and low are the extremes including its calculated open and close, so they are close to real but not identical to them.
Both fail to say whether a market is trending. Direction runs on this site’s shared series average 2.01 bars with a longest of 11, and neither chart type filters that; one merely hides it.
And both cost the same to trade — 0.0098 a round trip here, about 2% of the median bar range of 0.493.
Which one to use
Run candlesticks whenever you are placing an order. Entries, stops and targets are prices, and only one of these two chart types shows prices. Reading a stop off a heikin-ashi body means placing it at a number nobody traded at.
Run heikin-ashi when your problem is exiting trends too early. If you keep getting shaken out by single red bars inside good moves, a chart that hides those bars is a legitimate behavioural fix — and that is a real reason, not a technical one.
Run both, with candlesticks underneath. Heikin-ashi as a colour filter over a real chart gives you the calm read and keeps the true prices for execution.
And never take a level from a heikin-ashi chart. Support, resistance, order blocks and gaps all require traded prices, and this chart type does not have them.
Why the missing gaps matter
Because a gap is one of the few genuinely informative events on a chart. It marks a price range where nothing traded, and heikin-ashi’s construction fills it in — so the chart shows continuous bars across a region where there were no participants at all.
And because thin conditions produce the most gaps. The situation where you most need to know the market was empty is the one this chart type is least able to show you.
The original data
Of the 24,971 unique videos in the search corpus, no title compares these two directly. Candlesticks appear in 521 titles at a median of 5,236 views across 397 channels — one of the most saturated subjects in the whole corpus. Heikin-ashi appears in 63, at a median of 52,052 across 52.
Ten times the median audience on an eighth of the videos. Heikin-ashi has one of the highest medians of any subject measured here, which fits a chart type whose selling point is visible in a thumbnail — it simply looks better, and that is a strong reason to click.
On the chart above the real bars are correct and the smoothed ones are late. That lag is the price of the calm, and whether it is worth paying depends entirely on whether your problem is exiting early or exiting late.
When it fails
The characteristic failure is placing orders off heikin-ashi prices. The body of the bar spans two calculated values, and the open in particular is derived from the previous bar rather than from any trade, so a stop placed at a heikin-ashi low sits at a number that never existed in the market. It will still fill, at whatever the real price happens to be when it is touched, which means the risk you measured and the risk you took are different numbers — and you will not discover the gap between them until a position is already open.
A second failure is counting heikin-ashi bars as candlestick patterns. Engulfing bars, dojis and pin bars are defined by real opens and closes, so on smoothed bars they are describing arithmetic.
A third is trusting the absence of gaps. They were removed by the formula, not by the market.
A fourth is backtesting on heikin-ashi values, which produces fills at prices that were never available and results that cannot be reproduced.
And a fifth is treating a long colour run as trend strength. The run length is a property of the smoothing at least as much as of the market.
Related
Candlesticks covers real opens, highs, lows and closes. Heikin-Ashi covers the four averaging formulas. And price action covers reading the bars themselves.
Heikin-ashi looks better than candlesticks and that is precisely the problem. A cleaner chart feels like a clearer market, but the cleanliness was added by the formula rather than found in the price, and the bars you are admiring show numbers nobody ever traded at.
— Michael Whitman
This page is educational, not financial advice. Test every idea on your own charts before risking money.