“The Simplest and Most Effective Strategy”: Why Slogans Like That Are a Red Flag
Phrases like “the simplest strategy”, “1-minute strategy” or “profitable forex strategy” are some of the most popular search terms in trading. The problem is that a strategy that was simple, effective and free would quickly be exploited by thousands of people until it stopped working.
What it is
A typical “simple strategy” is a combination of two moving averages, an oscillator and an entry rule on a particular timeframe, shown on a few successful examples. It's rarely accompanied by full statistics including costs.
The results of such strategies are usually presented on the same history the strategy was designed on.
How people use it
- 1–5-minute strategies from videos and forums
- combinations of TradingView indicators
- “proven” sets of settings
What the research and evidence say
Sullivan, Timmermann and White (1999) showed how easy it is to find a “great” rule by testing many variants on the same data, and how such a rule loses its edge on new data. This is called data mining or overfitting. In the Atlas of biases we show a simulation: the best of 200 random strategies looked great in the test, and in the following period produced an average result close to zero.
Weaknesses
- presented on selected examples
- no costs or slippage in the results
- fitted to history
- the promise of simplicity sells, but it doesn't make money
What order flow shows
Order flow isn't a “simple strategy” but a way of reading the market that takes learning. That's exactly why it can't be sold in a single video. Its value is that it shows what participants are doing, instead of promising a rule that will always work.
How to use it sensibly
- ask for full statistics including costs on out-of-sample data
- check how many variants were tested before the best one was shown
- beware of promises of simplicity and certainty
Related
- Glossary: Overfitting
- Glossary: Backtest
- Glossary: Expectancy
- Atlas of biases: Overfitting
- Atlas of biases: Cherry-picking
- Atlas of biases: Survivorship bias
- Also under the microscope: Scalping
- Also under the microscope: Day trading
- Also under the microscope: Swing trading
Frequently asked questions
What's the simplest trading strategy?
Any strategy can have simple rules, but simplicity doesn't mean effectiveness. What counts is the result after costs on data that wasn't used to design it.
Does a 1-minute strategy work?
On the 1-minute chart noise and costs are at their highest. Without full statistics including costs, it's impossible to judge.
Educational content, not investment advice. No signals, entries, stops or position sizes.