Heikin-Ashi and Renko: do they help beginners or hide the truth?
Heikin-Ashi smooths candles so trends look cleaner; Renko builds bricks of fixed price movement and drops time entirely. Both make charts easier to read — and both can mislead you about the prices you'd actually get.
Have you tried them?
- which one, and what it clarified
- the mistake it caused
- whether you still use it
Remember: your orders fill at real bid and ask prices, not at smoothed candle values.
Background: Bid, ask and slippage: why your order fills at a different price
Why buy trades open at one price and close at another, why a stop can trigger when the chart never touched it, and how slippage happens.
Why did my stop-loss trigger when the price on the chart didn't reach it?
Charts usually show the bid price, but a sell position's stop is triggered by the ask. If the spread widened, the ask could have touched your stop while the bid line stayed away from it.
What is slippage?
The difference between the price you expected and the price your order was filled at. It is most common in fast or thin markets, such as around news releases.
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