Trading Drawdown: How Much Loss Is Normal?
A normal drawdown is not a fixed percentage. It follows from your own win rate and your risk per trade. Trading at a 40 percent win rate means losing streaks that would never occur at 70 percent. So the question is not how much loss is normal in general, but whether your current decline still falls inside the range your own numbers predict.
What is a drawdown exactly?
A drawdown measures the decline in your account from a peak to the lowest point that follows, usually as a percentage of that peak. Maximum drawdown is the largest such decline across a period.
The reference point matters. A decline is measured against the most recent high, not against your starting capital. Going from 10,000 to 12,000 and then falling to 10,800 is not an 8 percent gain in this context, it is a 10 percent drawdown. Both are true at once, and the second figure is the one that decides whether you stay the course.
Drawdown is also the only common metric that accounts for the sequence of your trades. Ten losses followed by ten wins produce the same profit factor as an even alternation but a completely different drawdown.
Why is there no universal normal figure?
Because the expected decline depends directly on two values everyone chooses differently: win rate and risk per position.
A strategy with a low win rate and large winners inevitably produces longer losing streaks than one with a high win rate and small winners, even when both end up at the same result. Quoting a general percentage without knowing those two values is guesswork.
The useful question is therefore: does the current decline sit inside what your own numbers lead you to expect? And that question can be calculated.
How do you calculate your own expectation?
Start with the probability of a losing streak. At a 40 percent win rate, the probability of losing any single trade is 60 percent. For several losses in a row you multiply that value by itself.
An example with those values:
- five losses in a row: 0.6 to the power of 5, roughly 8 percent
- eight losses in a row: 0.6 to the power of 8, roughly 1.7 percent
Roughly 1.7 percent sounds small. Across a hundred trades, though, such a streak is not the exception but something to expect, because there are a hundred opportunities for one to begin. This is exactly the reasoning error that derails most traders during weak phases: they treat a statistically unremarkable event as a signal.
The decline follows from the streak. Eight losses of one R each at 1 percent risk per trade produce roughly an 8 percent decline, slightly less because the account shrinks along the way and 1 percent of it shrinks too. How to set risk per trade cleanly is covered in position sizing.
How does drawdown depend on position size?
Almost linearly, which makes it the single most important lever. Running the same strategy at 2 percent risk per trade instead of 1 percent produces roughly double the decline at an identical win rate.
That is not an argument against larger positions, but it is an argument for making the decision deliberately. The relevant question is not what gain you would like but what decline you can actually sit through during a losing streak without changing your rules. Nobody knows that number precisely in advance, but you can bound it by looking at your worst phase so far.
When does a drawdown point to a strategy problem?
Three signals are informative, and none of them is the size alone.
The decline clearly exceeds anything in your data. If your longest losing streak so far was six trades and you are now at fourteen, that is more than noise. This requires a history long enough to permit any statement at all.
The share of rule compliant trades has fallen. Then the problem is execution rather than the strategy, and the drawdown is a consequence of it rather than its cause.
The distribution has changed. Check whether your losing trades still sit at around minus one R. If larger losses are clustering, your stops are no longer working as planned, through gaps or poor execution. How to check that is covered in setting stop losses correctly.
What do you do during a drawdown?
Three things, in this order.
First, cut position size, for example by half. That slows recovery and caps the damage should the phase continue. It is also the only measure that works immediately and requires no new information.
Second, leave the rules unchanged. A losing streak is the worst conceivable moment for a strategy change, because you are deciding under pressure with poor data. Switching systems after every streak means collecting the opening phase of several systems and never the result of one.
Third, check the three signals above. That is analysis rather than reaction, and it belongs in your next scheduled review rather than in the middle of a trading day.
How does a drawdown differ from a losing streak?
The two terms often get used interchangeably but describe different things, and the distinction is practically useful.
A losing streak counts trades: how many failures arrived back to back. A drawdown measures money: how far the account sits below its most recent peak. The two are related but do not coincide.
An account can slide into a meaningful drawdown without any losing streak at all, when small gains sit between the losses without covering them. Conversely, a long losing streak can stay barely visible if a large gain preceded it and lifted the account well above its earlier level.
So you need both numbers to judge the situation. Streak length tells you whether the pattern of your trades still matches what your win rate leads you to expect. Drawdown tells you what that means for your capital and roughly how long recovery should take. A short streak with an unusually large decline points to oversized positions, while a long streak with a small decline suggests your risk per trade is well chosen.
What should you never do?
Increase position size to recover the decline faster. The impulse is understandable and the effect is severe, because you raise risk exactly when your decision quality is demonstrably worse. Losing streaks and heightened urgency typically arrive together.
Equally not: widening stops so fewer trades get stopped out. That reduces the number of losses and increases their size, so it merely relocates the problem while making your data harder to interpret.
Why is recovery harder than the decline?
Because the two are calculated on different bases. A 20 percent loss turns 10,000 into 8,000. Getting back to 10,000 requires 2,000 on a base of 8,000, which is 25 percent.
That asymmetry grows disproportionately. At a 50 percent decline you need a 100 percent gain just to return to where you started. This is pure arithmetic and the strongest reason to cap drawdown up front rather than trying to recover it later.
How do you record drawdown in your journal?
Three entries suffice:
- Account balance after every closed trade, so the curve can be calculated at all.
- Current distance from the most recent peak in percent, as a running value.
- Length of the current losing streak plus your longest so far, as a comparison.
The third is the most valuable in practice, because it answers the decisive question in the moment: is this already unusual, or still normal? Reviewing results in multiples of risk complements it, as covered in R multiples in trading. A structured trading journal supplies the fields.
Conclusion
There is no universally normal drawdown, only one that fits your win rate and your risk per trade. Calculate your expected losing streak before it arrives, and when it does, compare against that number rather than against your feelings. During the phase itself, cut size and leave the rules alone. And remember the asymmetry: a contained decline is far cheaper than recovering it afterwards.
Disclaimer: this article is for informational purposes only and does not constitute investment advice. The example figures are illustrative and are not a statement about achievable results. Trading securities and crypto assets carries the risk of loss, up to and including total loss of capital.