What is MA Channel?
The Moving Average Channel draws two simple moving averages, one of the bar highs and one of the bar lows, each over 20 bars by default. The band between them is roughly the average height of recent bars, so it widens when candles get taller and narrows when they get shorter.
It does not measure volatility in the way Bollinger Bands or Keltner Channels do. A strong one-way move made of small candles keeps the channel narrow. It does not mark overbought or oversold levels, and price closing outside it is not a signal on its own.
How to use MA Channel
- Price inside, above or below the channel. Closes above the upper line mean price is higher than recent highs have averaged; closes below the lower line, lower than recent lows have averaged. Both are read as context for a trend in that direction.
- The slope. Both lines rising shows highs and lows both lifting, the shape of an uptrend. Both falling shows the reverse.
- The width. A widening channel means bars are getting taller. A narrowing one means bars are getting shorter, often in a quiet market.
- Different lengths. Setting the upper and lower lengths differently makes one side react faster than the other, which can suit a market that trends more in one direction.
These are ways to read the channel, not entry signals on their own.
Settings
| Setting | Default | What it changes |
|---|---|---|
| Upper Length | 20 | Bars in the average of the highs. Lower follows recent highs more closely. Minimum 1. |
| Lower Length | 20 | Bars in the average of the lows. Lower follows recent lows more closely. Minimum 1. |
There is no source input. The upper line always uses the highs and the lower line always uses the lows.
Calculation
Each line is a simple moving average of one side of the bars:
upper = SMA(high, 20)
lower = SMA(low, 20)
width = upper - lower = average(high - low) over 20 bars
With equal lengths, the gap between the two lines is exactly the average bar range over the window. Each line first appears once its window is full, on the twentieth bar with the defaults.
Limitations
- It lags. Both lines are averages of past bars, so the channel trails a moving price.
- It is not a volatility band. Width follows bar size, not how far price has travelled, so a steady trend of small candles keeps it narrow.
- Simple averages drop bars abruptly. An unusually tall bar leaving the window can make the channel narrow suddenly, unrelated to current price.
- The live candle moves. The current bar's values change until that bar closes.
- It is not a strategy. On its own it carries no risk management, sizing or exit.
Frequently asked questions
It is two simple moving averages drawn as a band, one of the bar highs and one of the bar lows, 20 bars each by default. The space between them is the average bar range.
Those bands are drawn a volatility distance away from a central average. The Moving Average Channel has no central line or multiplier; its width is simply the average high minus the average low, so it reflects bar size rather than directional volatility.
Yes. The indicator declares two inputs: Upper Length, default 20, and Lower Length, default 20, each with a minimum of 1. There is no source input, because the lines always use the highs and the lows.
No. Each value uses a fixed window of bars, so values on closed bars are not revised. The current candle's values move while that candle is live and settle when it closes.
Use the Add to chart button at the top of this page. It opens BTC/USDT on Binance in the Altrady Charts terminal with the built-in Moving Average Channel already applied. On any other market, open the indicator picker on the chart and choose Moving Average Channel from the Moving Average group.