Ichimoku Cloud Basics
Ichimoku is five simple calculations sharing one panel. Start with the cloud alone as a trend filter and add the rest later.
The Ichimoku Cloud combines five plots into one overlay: the Tenkan-sen (9 periods), the Kijun-sen (26 periods), two leading spans that shade the cloud, and the Chikou span, which plots the current close 26 periods back. Price above the cloud is a bullish backdrop, below it is bearish, and inside it is transitional. The cloud is projected 26 periods forward, so its levels are visible before price reaches them.
What to remember
- Price against the cloud is the read that matters. Above, below or inside is binary enough to work as a trend filter on its own.
- The cloud is drawn 26 periods into the future from data that already exists, so you can plan around a level before price arrives at it.
- The 9, 26 and 52 settings come from a six-day Japanese trading week. They survive by convention, not because the numbers are optimal.
- Five components means one will usually agree with any trade you want. Fix the order you read them in and do not reorder it afterwards.
Lesson 16 of 26 in Technical analysis
Five lines that answer one question at a glance
The Ichimoku Cloud packs trend direction, momentum and support or resistance into a single overlay. It looks crowded because it is five plots at once, but each one is a simple calculation, and most of them are variations on the same midpoint idea: the average of the highest high and lowest low over a lookback window.
The components are the Tenkan-sen (conversion line, 9 periods), the Kijun-sen (base line, 26 periods), two leading spans that shade the area between them to form the Kumo or cloud, and the Chikou span, which is simply the current close plotted 26 periods back. Note the unusual part: two of those lines are projected forward 26 periods, which is why the cloud extends past the current candle.
Reading it in order
- Price against the cloud. Above the cloud is a bullish backdrop, below it is bearish, and inside it is transitional. This is the first and most important read, and it is binary enough to be useful as a filter.
- Cloud thickness. A thick cloud represents a wide gap between the two spans, which means the market has covered a lot of ground in that window. It is treated as a more substantial obstacle than a thin one.
- The Tenkan and Kijun cross. Read much like a fast and slow moving average crossover, with the same strengths and the same weakness in ranges.
- The Chikou span. If the lagging line is above the price action of 26 periods ago, the current close is higher than it was then, which is a crude but honest trend check.
Three prices the cloud hands you
USD/JPY is trading at 150.20. The cloud beneath it spans 148.40 to 149.10, which is 70 pips thick. Price is above the cloud, so the backdrop is bullish, and the cloud's upper edge at 149.10 is the first structural area beneath price.
That gives you something concrete. A pullback that holds above 149.10 leaves the bullish read intact. A close inside the cloud says the market has entered the transitional zone and the trend read is suspended. A close below 148.40 flips it. Those three prices are on the chart before anything happens, which is the real argument for Ichimoku: it pre-marks its own invalidation levels, and the distance from 150.20 to a stop under 148.40 is 180 pips, which you should size for before deciding whether the trade is worth taking at all. The position size calculator turns that distance into a lot size in seconds.
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Ichimoku Cloud Basics: questions
What does the Ichimoku cloud actually show?
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