An equity curve plots your account balance across a sequence of trades. Each point is the running balance after one more trade closes. Read left to right, it shows how the strategy grew, where it hurt, and whether the profit came from a steady edge or a lucky spike.
The four things to look at
1. Slope - is it going up?
The most basic read: a curve rising from lower left to upper right made money. The steeper the sustained slope, the stronger the returns. But slope alone can be misleading, which is why the next three points matter just as much.
2. Smoothness - how rough was the ride?
A smooth, steady climb is far easier to trade than a jagged one that reaches the same endpoint. Smoothness is what the Sharpe ratio quantifies. A gentle curve keeps you calm and executing; a violent one shakes you out before the recovery.
3. Drawdowns - how deep and how long?
Every dip below a previous high is a drawdown. Look at both the deepest one - the maximum drawdown - and how long the curve spent underwater before making a new high. Long flat-to-down stretches are where traders quit.
4. Concentration - one jump or many steps?
If the entire profit comes from one vertical leap, the strategy is fragile: remove that trade and the edge disappears. A healthy curve climbs through many small steps, showing the edge repeats rather than relying on a single outlier.
Flat spots and roll-overs
A long horizontal stretch means the strategy stopped producing - possibly because the market regime changed and the setup no longer fits. A curve that was rising and then rolls over near the end is an even clearer warning: the recent edge may be decaying. Neither is automatically fatal, but both are questions worth investigating before you scale risk.
Important: always check what market conditions the curve covers. A beautiful curve that only rose during one strong trend may collapse in a range. A trustworthy curve climbs across trending, ranging, and volatile periods alike.
Reading the curve with the numbers
The equity curve and the stats explain each other. A shallow, smooth curve should line up with low drawdown and a decent Sharpe ratio. A curve carried by one leap should show a profit factor that collapses when you remove the best trade. Use the shape to form a hypothesis, then confirm it with the metrics - the two together are far more reliable than either alone.
See your own curve build in real time
The best way to understand equity curves is to watch one form from your own decisions. When you backtest in a simulator, the report plots your equity curve trade by trade alongside drawdown and the rest of the analytics, so you can literally see whether your edge is a steady climb or a lucky spike - and adjust before it costs you real money.
Equity curve FAQ
What is an equity curve?
A line chart of account balance across a series of trades. Each point is the running balance after another trade closes, and its shape reveals how the strategy behaved over time.
What does a good equity curve look like?
A steady rise from lower left to upper right with shallow, short drawdowns and no reliance on one giant jump. Smoothness matters as much as slope.
What are the warning signs in an equity curve?
A single vertical jump carrying most of the profit, deep or long drawdowns, gains from only one market regime, and a recent flattening or roll-over that suggests the edge is fading.