How to Track Your Betting ROI: The Metrics That Matter

ROI (Return on Investment) is the most important metric for bettors. It shows whether your method actually works.

Most casual bettors don't track ROI. They think: "I had some wins, some losses." They don't know if they're actually profitable.

This guide covers the key metrics.

Return on Investment (ROI)

ROI = (Profit / Total Staked) * 100

Example: 100 bets at 10 pounds each. Total staked: 1000 pounds.

Profit: 60 pounds.

ROI = (60 / 1000) * 100 = 6%

This is straightforward. It shows your profit as a percentage of total stakes.

Why ROI Matters

ROI is scale-independent. A bettor with 1 pound stakes and one with 100 pound stakes can compare ROI directly.

A 6% ROI is a 6% ROI regardless of stake size.

Also, ROI shows whether your method is actually profitable. Many bettors think they're breakeven when they're actually down 15% ROI.

Acceptable ROI Targets

What's a good ROI?

• 2-5% ROI: solid. Shows a real edge.
• 5-10% ROI: very good. Professional level.
• 10%+ ROI: exceptional. Extremely difficult to maintain.

Most hobbyist bettors should target 3-5% ROI. Professional bettors aim for 5-8%.

An ROI under 2% might mean your edge is too small to justify betting.

Win Rate vs ROI

Win rate is not ROI. A common mistake.

60% win rate sounds great. But if average odds are 1.5, your profit isn't as large.

60% win rate at 1.5 average odds: ROI = (0.6 * 1.5 - 1) / 1 * 100 = 10% approx.

50% win rate at 2.5 average odds: ROI = (0.5 * 2.5 - 1) / 1 * 100 = 25% approx.

Second scenario is much more profitable despite lower win rate. Track ROI, not just win rate.

Yield

Yield is ROI expressed as a decimal instead of a percentage.

ROI of 6% = yield of 0.06.

Some bettors prefer yield. Functionally identical to ROI. Use whichever term you prefer.

Profit and Loss

Absolute profit is important for motivation, but less meaningful than ROI.

Profit: 100 pounds on 1000 pounds staked = 10% ROI. Profit: 100 pounds on 5000 pounds staked = 2% ROI.

Same profit, very different efficiency. ROI shows the true picture.

Breakeven Analysis

How many stakes do you need to prove your method?

Simple rule: 200 bets minimum. After 200 bets, your win rate and ROI are meaningful.

After 50 bets, you might think you're breaking even. After 200, reality emerges.

Tracking ROI Weekly and Monthly

Your spreadsheet should calculate:

• Weekly totals: stakes, profit, ROI for the week.
• Monthly totals: stakes, profit, ROI for the month.
• Rolling 100 bet ROI: profit on last 100 bets, useful for assessing current form.

Seeing ROI trends week to week helps identify whether performance is changing.

ROI by Bet Type

Separate your analysis:

• ROI on singles
• ROI on accas
• ROI on in-play bets

After 200 bets across all types, you'll see which has best ROI. Double down on that.

ROI by Market

Track ROI by league or market.

• Premier League ROI
• Championship ROI
• European leagues ROI
• Asian leagues ROI

Some markets might have better ROI for your method. Focus there.

Rolling Win Rate

Beyond total win rate, track rolling win rate.

Last 50 bets: 55% win rate. Last 100 bets: 52% win rate. Last 200 bets: 51% win rate.

Trends matter. Declining win rate might signal that your method needs adjustment or that you're overestimating your edge.

Bankroll Growth Curve

Plot your bankroll value over time. This is the ultimate metric.

A curve that trends upward shows your method works. Flat or declining shows it doesn't.

The curve visually shows losing runs and recovery. Powerful motivation to stick with your system.

Drawdown Analysis

A drawdown is the peak-to-valley loss during a period.

Starting bankroll: 1000 pounds. Peak: 1300 pounds. Trough: 900 pounds.

Drawdown: 400 pounds (from peak to trough). 31% drawdown.

Tracking drawdowns helps you understand the volatility of your method and size your bankroll appropriately.

Profit Factor

Profit factor = Gross Profit / Gross Loss

If your wins total 500 pounds and losses total 450 pounds:

Profit factor = 500 / 450 = 1.11

A profit factor above 1.0 means you're profitable. Above 2.0 is exceptional. Most good bettors have 1.1 to 1.5.

Sharpe Ratio (Advanced)

Sharpe ratio measures risk-adjusted return. It's advanced but useful.

Formula: (average profit per bet - risk-free rate) / standard deviation of profit.

Simple interpretation: higher Sharpe ratio means better returns with less volatility.

Most bettors don't calculate this, but professionals do.

Comparing Against Benchmarks

Set targets at the start.

"My goal is 5% ROI after 200 bets."

After 200 bets, measure against this target. Hit it? Continue method. Miss it? Review and adjust.

Benchmarks prevent aimless betting.

Monthly ROI Variability

One month at 10% ROI, next month at -5% ROI. Is your method stable?

Calculate your average ROI across months. If it's 3% but monthly variance is huge (ranging from -10% to +15%), you have a volatile method.

This is fine if you understand it. But high volatility requires a larger bankroll.

• ROI is the most important metric for measuring betting success; it removes bias from profit/loss figures and normalizes performance against bankroll size.
• Win rate is secondary to ROI; a 55% win rate at poor odds can generate 0% ROI, while a 50% win rate at good odds can generate 5% ROI.
• Calculate ROI by dividing total profit (or loss) by total stakes wagered: (GBP 500 profit / GBP 10,000 stakes) = 5% ROI.
• Track ROI by bet type and market separately (singles vs accas, Premier League vs Championship) to identify which segments are profitable and which are leaks.
• After 50 bets, ROI is not meaningful due to variance; after 200 bets, ROI becomes statistically relevant; after 500+ bets, ROI represents actual edge.
• Realistic year-one ROI expectation is 2-5%; claiming 20% ROI indicates either exceptional skill (rare) or hidden variance that will reveal lower true ROI (likely).
• Use your 200+ bet ROI to make rational decisions: if ROI is positive and consistent, continue and scale; if flat or negative, adjust method; if declining after early wins, you lack genuine edge.