Finding big market moves: BarStrength Indicator
|I’d like to share an indicator I came up with that I found very useful over the years. It’s actually a very simple one but it proved itself against over and over again against much more complicated indicators that try to do the same thing. I surely wouldn’t want to miss it.
Here’s the formula: abs(open-close)/(high-low) * 100
Which gives us a value between 0 and 100 that measures the actual price change of a single price bar (absolute value of open-close) against the whole price bars range (high-low). Or in Candlestick charting language: measures the size of the candle body against the whole candle including the wicks.
Let’s look at a price chart to make this more clear:
The blue bars are showing the Daily BarStrength of Gold for each of the price bars/candles. Below you can find a 5 period EMA of that BarStrength. Notice that huge green candles that open nearby the low and close nearby the high show a high BarStrength score (50+) while candles that close near the open have a very low score.
So what you might wonder. Well here’s the interesting part: Notice that quite often you’ll get a strong price bar/candle after a weak one and the other way around. To highlight this I’ve plotted a horizontal line at 33.
The same is true on a larger scale looking at the moving average below. When it’s showing low values, meaning there’s been hardly any real price change in Gold for a couple of days, there’s a tendency for big moves to happen afterward.
I’ve found this to be true in many markets, Gold is just an example. While this works in principle on any timeframe, it’s most effective on higher timeframes like daily and weekly charts.
The BarStrength indicator doesn’t show you in which direction the market will move. But knowing when a market is more likely to make a big move than not can make a really huge difference in your trading results. This is why I like to use this as a filter for breakout strategies, like ORB (opening range breakout) strategies for example.
Happy Trading!
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