Today I want to share a trading strategy that many people often mistake for a “sure way to make money” — that is Martingale. But what exactly is Martingale? Simply put, it is a strategy of increasing your bet after each loss, starting from roulette casinos, but later adopted by traders into the financial markets.

Its operation is quite direct: you trade, and if you lose, then you increase the size of the next order; if you lose again, then you increase again, and so on until you win. When you win, you not only recover all the losses, but also make additional profit. Sounds reasonable, right?

In actual trading, Martingale is used to average down when an asset declines. For example: you buy a coin with $10 at $1. If the price drops to $0.95, then you place a new order with $12 ( increasing 20%); then if it continues to drop to $0.90, you open an order for $14.4. Each time like this, your average buy price decreases, so only a small rebound may be enough to close all the orders with profit.

But this is exactly where what Martingale is becomes dangerous. Its advantage is that it quickly recovers losses without needing to predict the reversal point. However, the downside is extremely big: the risk of losing your entire deposited amount if the market keeps falling and you run out of money to double down. The psychological pressure is also very heavy, and there are markets that decline without recovery, turning this strategy into a disaster.

Let me give a specific example: suppose you have $100 deposited, an initial order of $10, increasing by 20% each time. After 5 averaging-down steps, you will have spent $74.42. If the price does not reverse, you won’t have enough money for the next order. The calculation formula is very simple: next order size = previous order × (1 + Martingale rate / 100).

So how do you use Martingale safely? First, set a small increase rate, around 10-20%, not 50% or higher. Second, calculate in advance how many orders you can place with your deposit. Third, always keep a reserve for additional orders instead of putting it all in right away. Fourth, use additional filters such as trend-following — if the asset is in a strong downtrend, avoid averaging down. And most importantly, remember what Martingale is — it is a high-risk tool, not a guaranteed way to make money.

With a 10% rate, you will need about $61 for 5 orders. With 20% you need $74, with 30% you need $90, and with 50% it’s almost double at $131. This shows why choosing a reasonable increase rate is so important.

Conclusion: what is Martingale if not a powerful tool, but an extremely dangerous one? It only works effectively when you have reasonable risk calculations, high discipline, and strict money management. Beginners should use a minimum increase rate of 10-20% and always have a plan for a prolonged market decline. Trade smart, control your emotions, and never forget that no strategy is perfect — only strategies that fit your specific situation.