How to learn from winning and losing trades

How to learn from winning and losing trades

Reading time: 6 minutes

It’s easy to think that behind a winning trade was good judgement and behind a losing trade was poor decision-making. This couldn’t be further from the truth! Markets don’t always reward good decisions or penalise bad ones.

Traders need to learn to treat individual trades as data points and review them collectively to gain meaningful insights. This can help them identify recurring patterns, improve their decision-making and hopefully avoid costly, preventable mistakes.

Fighting against outcome bias

Outcome bias is the tendency to judge a decision based on its result rather than the thinking or reasoning behind it. Traders with limited experience may see winning trades as evidence of good decision-making and losing trades as signs of poor decisions. There’s an explanation behind this psychology: those who are new to trading may not yet have an established process for identifying mistakes.

However, experienced traders aren’t immune to this trap. They can still fall prey to the same thinking if, despite their years of experience, they don't have a system in place to identify and learn from their mistakes.

Another bias that can aggravate the problem is recency bias, a phenomenon in which we place more weight on recent experiences than on older ones. A single bad week may make you feel that your strategy isn't working, even if your longer-term track record suggests otherwise. It's better to review your performance from a broader perspective, as a single winning or losing trade is generally insufficient to assess a strategy's overall effectiveness. The key question is whether the trade followed your plan or simply worked out because of luck.

What to learn from losing trades

Instead of dwelling on the loss itself, it’s better to diagnose where the trading process went wrong or whether market conditions were suitable for your setup. It’s important to evaluate the process rather than the outcome.

If you wish to review a trade, you can start by asking questions about the market environment and execution:

• Was the trade placed in trending or range-bound conditions?
• Was the trade idea tested in a demo environment first? Were the same criteria applied?
• Was the loss part of the normal variance?

Simply put, the more data you have, the more you can learn through this review process. This is why it's important to record these details in your trading journal.

In his book Trading in the Zone, Mark Douglas discusses several recurring execution errors that traders might unknowingly make, including:

• Entering late due to hesitation.
• Jumping into a trade too early.
• Defining risk but failing to accept the loss.
• Failing to define risk before entering a trade.
• Exiting a winning trade too soon.
• Letting a winning trade turn into a losing one.
• Moving a stop-loss closer to the entry point, only to get stopped out before the market moves in the trader's favour.

What to learn from winning trades

While traders tend to focus on their mistakes, winning trades can offer insights into their strengths. By recording what you did right, you can build a record of the good trading habits and practices you should maintain to improve your trading consistency.

Sometimes, a series of winning trades can also make traders overconfident, creating the impression that there’s nothing new to learn. This can be a dangerous mental trap, potentially leading to overtrading and excessive leverage. Even when you're enjoying the results of recent winning trades, it always helps to step back and identify what could still be improved.

As mentioned earlier, just because a trader ends up making a profit doesn't mean the execution was perfect. What's important about this exercise is developing a mindset that encourages regular reviews of your trading plans and processes.

Make feedback your next input

One of the benefits of this process is that it can help traders maintain a positive mindset. If you suddenly find yourself in a losing streak, you can revisit your winning trades and remind yourself what contributed to those successful outcomes. Was it foresight? Did you adapt quickly enough to changing market conditions? Did you conduct a more thorough analysis?

As you ask these questions, make sure to record the lessons you learn. You can use them to update your trading plan or adjust your strategy when necessary. Bear in mind that learning in the forex market is a continuous process. There is always room for improvement and new lessons to learn as you work towards becoming a more disciplined trader.

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