Level 4: TrunkLesson 13, 6 min

What indicators can't tell you

Lag, repeated information, false signals and lucky settings, and why price comes first.

The honest truth about indicators

You've now met moving averages, Bollinger Bands, ATR, RSI, Stochastic, MACD, VWAP, Fibonacci and pivot points. They're useful. But all of them share a few weak spots. Knowing them will save you from the most common beginner mistakes.

1. They're all late

Every indicator is built from prices that already happened. A moving average turns after price turns. MACD, built from averages of averages, is even later. That's . Indicators describe what happened. They don't predict what's next.

2. They often repeat the same information

RSI, Stochastic and MACD all come from the same thing: past prices. Putting all three on your chart doesn't give you three opinions. It's like asking one friend the same question three times and counting it as three votes. When all three say "overbought," it can feel like strong proof, but it's mostly one fact repeated.

3. False signals are normal

A is when an indicator says something is about to happen, and it doesn't. Every indicator gives them, especially in sideways, choppy markets.

6 crossovers, no trend: every one a whipsaw
In a sideways market the averages keep crossing, and the signals keep failing.

In this choppy market, the fast and slow averages cross again and again. Each circle looks like a signal. None of them led to a real trend.

4. Settings can fool you

Every indicator has settings: 14 candles, 20 days, 12, 26 and 9. If you try hundreds of settings on old charts, you will always find one that looks perfect, just by luck. That's called . It's like memorizing last year's test answers: perfect on that test, no help on the new one.

5. News doesn't care

A surprise announcement, a bad report, a big world event: price can jump right past every line and level. Indicators can't see news coming.

So why use them at all?

Because they help you organize what price is doing. A moving average helps you see the trend. ATR helps you give a stop enough room. RSI shows when a move is stretched. Used as helpers, they're handy. Used as fortune tellers, they lose money.

Price comes first

Before any indicator, look at the candles themselves. Traders call this :

  • Is price making higher highs and higher lows, or lower ones?
  • Where are the support and resistance levels?
  • What is volume doing?

Then, if you want, add one or two indicators that each do one job, like one trend tool and one momentum tool. More lines don't make better decisions. Often they just make the chart harder to see.

And be honest with yourself: most beginners who trade lose money, and no indicator changes that by itself. Strategies that worked for years can stop working. What helps is learning slowly, practicing with fake money first, keeping risk small and writing down what really happened.

Remember

  • Indicators are late, because they're built from the past.
  • RSI, Stochastic and MACD mostly repeat the same information.
  • False signals are normal, especially in sideways markets.
  • Read price first. Use one or two indicators as helpers, never as fortune tellers.

Check yourself

1. Why aren't RSI, Stochastic and MACD three separate opinions?

2. What is a false signal?

3. You test 500 settings on old charts and find one that would have been perfect. What's the danger?

4. What should you look at first?

You finished Trunk! Next up, Level 5: How stocks make you money

Money Tree School is education, not financial advice. Examples use made-up or historical numbers to show how things work; they are not recommendations to buy or sell anything. Markets can lose money.