What Is Drawdown in Trading? Max and Relative Drawdown

Drawdown in trading is the decline in an account or strategy from a previous peak in value to a later lower point. It measures how far equity has fallen before it recovers to that peak or reaches a new one. If an account rises to $12,500 and then falls to $10,000, the drawdown from that peak is $2,500, or 20%. Drawdown is therefore not the same as a single losing trade. It describes the depth of a decline across an account, portfolio, strategy or price series.

The most useful distinction is between current drawdown, which shows the decline from the latest relevant peak, and maximum drawdown, which is the worst peak-to-trough decline observed over the period being measured. Relative drawdown normally expresses a decline as a percentage of the reference peak or another defined account value. Because trading platforms and firms do not always use identical formulas, the denominator and measurement period should always be checked before comparing two drawdown figures.

What Is Drawdown in Trading?

When traders ask what is drawdown in trading, they are usually asking how much an account has fallen from a high point before recovering. The high point is often called the equity peak or high-water mark. The lowest value reached before that peak is recovered is the trough. A completed drawdown runs from the peak to the trough and ends as a drawdown episode when the account returns to the previous peak. A new peak then becomes the reference point for future declines.

This peak-to-trough concept is widely used in professional performance analysis. The CFA Institute describes drawdown as a measure of portfolio loss from its high point until it begins to recover. In regulated commodity performance disclosure, the Commodity Futures Trading Commission also distinguishes drawdown from worst peak-to-valley drawdown. These definitions reinforce the central idea: drawdown is about loss relative to an earlier account level across a period, not merely whether the latest trade won or lost.

Suppose a trading account starts at $10,000, rises to $11,500, falls to $10,350 and later reaches $12,000. The decline from $11,500 to $10,350 is a $1,150 drawdown. Relative to the $11,500 peak, that is 10%. Once equity moves above $11,500, that drawdown has recovered. When the account reaches $12,000, the new high becomes the reference peak.

How Drawdown Is Calculated

The basic drawdown calculation compares the current or trough value with the previous peak. In money terms, the calculation is straightforward: peak value minus current or trough value. In percentage terms, divide that decline by the peak value and multiply by 100.

Drawdown amount = Peak value minus Current or trough value

Drawdown percentage = (Peak value minus Current or trough value) divided by Peak value multiplied by 100

For example, assume an account reaches a peak equity of $20,000 and later falls to $17,000. The dollar drawdown is $3,000. Dividing $3,000 by the $20,000 peak gives 15%. If the account then rebounds to $18,500 but remains below $20,000, the drawdown episode is still open. The current drawdown has improved to 7.5%, but the trough already recorded within that episode remains 15% below the peak.

The calculation sounds simple, but the data series matters. A drawdown based on end-of-day balances may be smaller than one calculated from intraday equity because temporary losses during the session can disappear before the close. A report based only on closed trades may also differ from one that includes unrealized profit and loss. Before accepting any drawdown number, identify what account value is being sampled and how often it is recorded.

Maximum Drawdown Meaning

Maximum drawdown means the largest observed decline from a peak to a subsequent trough within the measurement period. A strategy can experience many separate drawdowns, but only the deepest one is the maximum drawdown for that dataset. It is often abbreviated as MDD.

Consider this simplified equity sequence: $10,000 rises to $12,500, falls to $10,000, recovers to $13,000, falls to $11,050 and then rises again. The first drawdown is 20% because the account falls $2,500 from a $12,500 peak. The second drawdown is 15% because it falls $1,950 from a $13,000 peak. The maximum drawdown is therefore 20%, even though the later decline happened from a higher dollar balance.

Maximum drawdown is useful because it summarizes the worst historical peak-to-trough loss in one figure. It does not tell you how often losses occur, how long recovery takes or whether the same loss could be exceeded in the future. A 10% maximum drawdown observed over six months and a 10% maximum drawdown observed over ten years are numerically equal but do not carry the same amount of evidence about a strategy's behavior.

Maximum drawdown is also path-dependent. Two strategies can finish a year with the same return while producing very different drawdowns. A smooth equity curve that grows from $10,000 to $11,000 may never experience a major decline, while another account could fall from $10,000 to $7,500 and later recover to finish at $11,000. Ending return alone hides the interim risk that the trader had to survive.

What Is Relative Drawdown?

Relative drawdown expresses a decline in percentage terms relative to a defined reference value. In the common peak-based interpretation, the reference is the preceding equity peak. If equity falls from $25,000 to $20,000, the decline is $5,000 and the relative drawdown is 20% of the peak.

The term needs care because platforms can use it differently. Some reports use relative drawdown to mean the largest percentage decline from any historical peak. Others distinguish it from an absolute drawdown measured against the initial deposit. Proprietary trading programs may also define a drawdown limit against starting balance, current balance, end-of-day equity or a moving high-water mark. The label alone is therefore not enough to determine the rule.

A useful way to read any relative drawdown figure is to ask three questions: What value creates the reference peak? Does the calculation use balance or equity? Does the threshold stay fixed or move when the account makes new highs? Those details determine whether a 10% limit represents a fixed $1,000 buffer on a $10,000 account or a changing threshold that follows account growth.

Maximum Drawdown vs Relative Drawdown

Maximum and relative drawdown are not necessarily competing metrics. Maximum describes which drawdown was worst across a period. Relative describes how a decline is scaled against a reference value. A maximum drawdown can itself be reported as a relative percentage. This is why a statement such as "maximum drawdown was 18%" is complete enough for many performance discussions, while a platform rule labeled "relative drawdown 10%" may still require its formula to be checked.

Why Drawdown Matters to Traders

Drawdown turns abstract risk into an account-level experience. Volatility can describe how widely returns move around an average, but drawdown answers a different question: how much capital was lost from a prior high before recovery. That makes it especially relevant to position sizing, risk limits and evaluating whether a strategy can be followed through a losing period.

Drawdown also matters because recovery is mathematically asymmetric. If an account loses 20% from a peak, it does not need a 20% gain from the trough to break even. It needs 25%. A 50% drawdown requires a 100% gain from the reduced capital base to return to the original peak.

This relationship is one reason large drawdowns can damage a trading process beyond the immediate loss. They reduce the capital base available for future gains and may force position sizes lower. In leveraged accounts, losses can have additional consequences. Investor.gov warns that margin can magnify losses and that investors may have to deposit additional cash or securities when account equity falls below required levels. Drawdown control cannot remove market risk, but it can help prevent ordinary losing periods from becoming account-threatening events.

Drawdown Depends on What You Measure

A drawdown statistic is only meaningful when its measurement rules are clear. The same trading history can produce different values depending on whether the calculation uses balance, equity, closed trades, intraday marks or end-of-period observations.

• Balance drawdown usually reflects realized results after trades are closed. It can ignore a severe temporary loss in an open position.
• Equity drawdown includes unrealized profit and loss. It can reveal intraday or open-position stress that a balance-only report misses.
• Intraday drawdown can capture the lowest equity point reached during a session. It is generally more sensitive than a calculation using only daily closes.
• End-of-day drawdown uses scheduled closing values. It is easier to standardize but can overlook deeper losses that occurred earlier in the day.
• Fixed-reference drawdown measures loss against a baseline that does not rise automatically.
• Trailing drawdown moves its threshold upward when the account reaches qualifying new highs under the specific rule set.

Time horizon also changes maximum drawdown. Extending a backtest adds more opportunities for a deeper decline to appear. A maximum drawdown from a short sample should not be treated as a permanent ceiling on future losses. It is a historical observation from the chosen data and rules.

How to Read Drawdown in a Trading Account

Start with the account's peak value and identify whether the platform tracks balance or equity. Then locate the lowest value reached after that peak. Calculate both the dollar decline and the percentage decline from the peak. If the account has not yet recovered to the peak, distinguish the current drawdown from the deepest point already reached in the same episode.

Next, look beyond the percentage. A trader evaluating strategy risk should also examine drawdown duration, recovery time and frequency. A strategy that repeatedly suffers 8% drawdowns may feel harder to execute than one that experienced a single 10% drawdown and otherwise remained stable. Maximum drawdown alone cannot capture that difference.

It is also useful to separate strategy drawdown from execution problems. If a live account draws down much more than a backtest, possible causes include larger position sizes, slippage, commissions, spreads, missed trades, different market conditions or changes to the strategy. The drawdown figure identifies the symptom. It does not identify the cause by itself.

How to Manage Drawdown Risk

Drawdown management begins before a losing streak occurs. The objective is not to eliminate all declines, which is unrealistic in risk-taking strategies. The objective is to keep losses within a range that the account and trading process can withstand.

1. Define risk per trade. Position size should reflect the amount that can be lost if the trade reaches its planned exit rather than the profit the trader hopes to make.
2. Set an account-level loss limit. A daily, weekly or strategy-level limit can prevent repeated trades from compounding an already difficult period.
3. Track equity as well as closed balance. Open losses matter when they can trigger margin pressure or violate an account rule.
4. Reduce exposure when conditions change. If volatility rises sharply, using the same position size can increase the money at risk even when the trading setup is unchanged.
5. Review clusters of losses. Determine whether the drawdown is consistent with tested strategy behavior or whether execution and market structure have changed.
6. Avoid increasing risk solely to recover faster. A larger position after losses can deepen the next drawdown and make the required recovery even larger.

A drawdown threshold should fit the strategy's observed variability and the trader's financial risk capacity. There is no universal "good" maximum drawdown. A lower figure is not automatically better if it comes from a very short track record or a strategy that earns little return. Likewise, a high return does not automatically justify a deep drawdown.

Common Drawdown Mistakes

One common mistake is measuring drawdown from the initial deposit rather than from the highest relevant account value. If $10,000 grows to $15,000 and then falls to $12,000, the account is still up 20% from inception, but it has suffered a 20% drawdown from the $15,000 peak. Looking only at start-to-current return hides that decline.

Another mistake is treating maximum drawdown as the maximum possible future loss. Historical maximum drawdown only reports what happened in the measured sample. Future market conditions can produce a deeper decline. Backtests also depend on assumptions about fills, costs, liquidity and available data, so their drawdown figures should be treated as estimates rather than guarantees.

Traders also confuse drawdown depth with drawdown duration. A strategy can have a modest 8% maximum drawdown but remain below its previous peak for many months. Another can experience a sharper 12% decline and recover quickly. Both depth and time underwater affect capital use and the practical difficulty of sticking with a strategy.

Finally, never compare drawdown percentages without checking the formula. A 10% maximum drawdown based on daily closing balance is not directly equivalent to a 10% intraday equity drawdown. The most reliable comparison uses the same account value definition, sampling frequency, time period and treatment of costs.

Using Drawdown as a Practical Risk Measure

Drawdown is most useful when treated as one part of a broader risk picture. It shows the severity of historical declines in a form that is easy to connect with real capital, but it does not explain return consistency, liquidity risk, leverage, tail events or the probability of future losses. Pairing drawdown with position sizing, exposure, volatility, trade statistics and recovery time produces a more complete view.

The practical lesson is to read the formula before reading the headline number. Identify the peak, the trough, the denominator, the time interval and whether unrealized losses are included. Once those elements are clear, drawdown becomes a precise way to compare historical downside behavior and set risk limits that reflect how the account actually moves.