What is DCA? The Trading Minute

The turtle of trading. DCA, or Dollar Cost Averaging, is probably the least spectacular strategy in all of finance. No adrenaline, no brilliant timing, no exploits to recount at parties. Yet, when we look at what Bitcoin investors experienced during the last complete cycle, the turtle shows a performance that many trading hares envy. Demonstration.

The DCA, definition of a heartless strategy

The principle can be summarized in two parameters. A fixed amount, a fixed interval. You buy 50 euros worth of Bitcoin every week, or 200 euros every month, whether the market is soaring or crashing. When the price is high, your amount buys little. When it collapses, it buys a lot. Your average cost smooths itself out somewhere between the extremes, without you having to guess anything.

The real strength of DCA is not mathematical; it is psychological. The strategy removes the decision, thus the emotion, and therefore the two poisons of the individual investor: euphoric buying at the peak and panic selling at the trough. There’s no need to be right about timing. You just need to keep the pace, which, in the midst of a crypto winter, already requires a certain stomach.

DCA case study: buying at the worst moment of 2021 and still winning

Let’s take the worst-case scenario. You start a weekly DCA on Bitcoin on November 10, 2021, the exact day of the ATH at $68,982, the worst entry point of the cycle. CNBC reminded us in November 2022 that the market had lost over $2 trillion since that peak, with Bitcoin hitting a low around $15,500 after the FTX collapse. A drop of 77% in price. Enough to disgust anyone.

Except that your DCA continued to buy every week. At $40,000, at $20,000, at $16,000. The entire descent became your stock at bargain prices, and your average cost sank well below the November peak. With Bitcoin around $78,000 at the end of August 2026, the single purchase on November 10, 2021, barely gains 13% in almost five years. The DCA started on the same day, fed throughout the bear market, performs significantly better, all while having slept peacefully. The difference does not come from talent. It comes from the method.

The limits of DCA for the individual investor

A DCA does not turn a bad asset into a good investment. If the project dies, you will have smoothed your entry price towards zero, with diligence and regularity. The choice of the asset remains the real bet; the strategy only organizes the execution. Also, watch out for fixed fees, which weigh heavily in proportion to small recurring amounts. Some platforms take full advantage of this.

To broaden the perspective, this mechanism is not a crypto invention; programmed savings plans in stocks or index funds have relied on the same smoothing for decades, and it is exactly the opposite of market timing, which we discussed in the art of taking a position. DCA has one requirement: consistency. That’s little. It’s also what most investors lack.

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