Risk Management
Trading Metrics: 14 Numbers That Prove Your System Works
Trading metrics are the numbers that tell you whether your system actually makes money or just feels like it does. What gets measured gets managed — yet most traders never measure anything beyond their account balance, then panic through losing streaks with no idea if the system is broken or just going through a normal drawdown. This guide walks all 14 metrics that matter, grouped into four categories, each with its formula, a worked example, and a concrete way to improve it — plus the five to check first if the full list feels like too much.
The point is not to drown you in math. It is to give you an objective answer to three questions no gut feeling can settle: is my system genuinely profitable, how much risk is it taking, and how stable is it over time?
Why trading metrics matter
Trading metrics are quantitative measures of a trading system's profitability, risk, growth, and consistency — used to prove whether an edge is real, size it safely, and catch a breaking system before it drains the account. Without them, a run of wins feels like genius and a run of losses feels like the end of the world, when both may be perfectly normal variance. With them, you know exactly where you stand.
Skip them and you get the classic trap: a system that "feels good," a portfolio that goes nowhere, and no idea why. The fix is not a better entry — it is measurement. Try your own numbers in the calculator below as you read:
Category 1 — Win rate and returns
These four answer the first question: does the system make money at all?
Win Rate is the share of trades you win — wins ÷ total × 100. It is the most-watched metric and the most misleading one alone. A 55% win rate sounds good, but it says nothing until you know your Reward-to-Risk Ratio (RRR) — average win ÷ average loss. With RRR of 1:3 you can win just 30–40% of the time and still profit; with RRR below 1:1 you can win 60% and still go broke. The two must always be read together.
Profit Factor cuts through the confusion: gross profit ÷ gross loss. If winners total $10,000 and losers total $5,000, your Profit Factor is 2.0 — every $1 lost returns $2. Above 1.0 is profitable, below 1.0 bleeds, and above 1.5 is genuinely healthy.
Expectancy (Expected Payoff) is the single most important number here — the average profit per trade:
At a 50% win rate with a $300 average win and $200 average loss, expectancy is (0.5 × 300) − (0.5 × 200) = $50 per trade. Positive means a real long-run edge; negative means the system loses over time no matter how any single week feels.
Category 2 — Risk and drawdown
Profit means nothing if the risk to get it can blow up the account. These four measure the danger.
Maximum Drawdown (MDD) is the deepest peak-to-trough fall your account has taken: (peak − trough) ÷ peak × 100. A portfolio that ran to $15,000 then fell to $9,000 had a 40% drawdown — and recovering from that requires a 67% gain. MDD is your worst-case pain and your survival test; under 20% is the goal. Relative Drawdown measures the same fall against peak equity rather than balance, capturing the intraday version of the pain.
Sharpe Ratio is the institutional standard for risk-adjusted return: (average return − risk-free rate) ÷ volatility. A 20% return with a 5% risk-free rate and 10% volatility gives (20−5)÷10 = 1.5. Above 1 is good, above 2 is excellent — it rewards smooth equity curves and punishes wild swings.
Calmar Ratio does the same job but judges return against the worst drawdown instead of volatility: annual return ÷ max drawdown. A 20% return with a 10% MDD gives a Calmar of 2.0. Where Sharpe asks "worth the swings?", Calmar asks "worth the deepest hole?"
Category 3 — Portfolio growth
Two metrics answer how fast the account actually compounds.
CAGR (Compound Annual Growth Rate) is the smoothed annual growth: (end ÷ start)^(1÷years) − 1. Growing $10,000 to $30,000 over three years is a CAGR of ~44% per year — and because it compounds, it strips out lucky single years to reveal true growth speed. Never read it alone, though; a high CAGR built on a 60% drawdown is not the same as one built on 15%.
Profit-to-Max-Drawdown (P/MDD) compares total profit to the worst drawdown that produced it: total net profit ÷ max drawdown. $50,000 of profit against a $10,000 max drawdown gives 5.0 — five dollars made for every dollar of deepest pain. It asks whether the whole ride was worth the worst moment of it.
Here is what a healthy equity curve looks like — steady compounding with contained, recoverable dips rather than one violent collapse:
A Healthy Equity Curve — Steady Growth, Shallow Drawdowns
The dips are shallow and quickly recovered — that shape is what strong drawdown, Sharpe, and consistency metrics look like on a chart.
Category 4 — System stability
The final four measure whether the edge is dependable or lumpy.
Consistency Rate is the share of months that finish green: profitable months ÷ total months × 100. Nine green months out of twelve is 75% — dependable income rather than one lucky quarter carrying the year. Standard Deviation of Returns measures how much monthly returns swing around their average; under 5% is stable, over 10% is jumpy. Profit Per Trade (net profit ÷ total trades) is a quick, simpler cousin of expectancy. And Recovery Factor — total net profit ÷ max drawdown — measures bounce-back strength: how strongly cumulative profit outweighs the worst drawdown. Above 3 signals a tough, resilient system.
Every metric — formula, healthy range, and a one-line fix — is searchable in the full reference:
Where to start — the focus five
Fourteen metrics is a lot. If you are just beginning, ignore most of them and start with the five that answer the big questions fastest:
Grade your own five against healthy thresholds and get an overall system-health read:
The quick diagnosis rules of thumb:
| Symptom | Fix | |
|---|---|---|
| Wins often, small profit | Win rate high, RRR low | — |
| High profit, scary swings | Return high, drawdown high | — |
| Smooth rising equity | All five in healthy range | — |
| Raise RRR | — | Bigger targets, structure-based TP |
| Fix risk management | — | Cut risk-per-trade to 1–2% |
| Keep going | — | You have an efficient system |
Once these five look healthy, layer in the rest — Calmar, Recovery Factor, Consistency — to refine. This is the measurement discipline behind sound position sizing with the Kelly criterion, and it is what separates a system you hope works from one you can prove works, like the setups in the evidence-based tool ranking.