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Bankroll Management for Sports Betting
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Bankroll Management for Sports Betting

Warren

Warren

7 min read

You can find +EV bets every day and still go broke. It sounds contradictory, but without proper bankroll management, even a winning strategy can blow up during an unlucky stretch. Bankroll management is what keeps you in the game long enough for your edge to pay off.

Why Bankroll Management Matters

Variance is a fact of sports betting. Losing streaks happen to everyone, including profitable bettors. A bettor with a 55% win rate on even-money bets will still experience runs of 10 or more consecutive losses over the course of a year.

Without a structured approach to stake sizing, a bad run can wipe out weeks or months of profit. Worse, it can deplete your entire bankroll before your edge has a chance to show itself. Bankroll management exists to protect against this.

The goal is simple: bet small enough that you can survive the inevitable downswings, but large enough that your profits are meaningful when things go well.

Setting Your Bankroll

Your bankroll is the total amount of money you have set aside specifically for betting. It should be money you can afford to lose entirely without affecting your daily life, bills, or savings.

A few practical guidelines:

  • Decide on a fixed starting bankroll before you place your first bet.
  • Keep your betting funds in a separate account or exchange wallet. Do not mix them with everyday spending.
  • Never top up your bankroll from personal funds after a losing streak. If your bankroll is gone, take a break and reassess your strategy.
  • Review your bankroll monthly and adjust your stakes if it has grown or shrunk significantly.

Staking Strategies Compared

There are several common approaches to deciding how much to bet on each wager. Each has trade-offs between simplicity, risk, and growth potential.

Fixed Staking

You bet the same amount on every selection, regardless of your bankroll size or the odds. For example, if your bankroll is 1000 pounds, you might bet 20 pounds on every wager.

  • Pros: Simple to follow. Easy to track. Removes emotion from stake sizing.
  • Cons: Does not adapt as your bankroll changes. You bet the same amount whether you are up 50% or down 50%.

Percentage Staking

You bet a fixed percentage of your current bankroll on each wager, typically between 1% and 5%. If your bankroll is 1000 pounds and you use 2%, your first bet is 20 pounds. If your bankroll drops to 800 pounds, your next bet is 16 pounds.

  • Pros: Automatically reduces stakes during losing runs, protecting your bankroll. Increases stakes when you are winning, compounding your growth.
  • Cons: Requires recalculating your stake for every bet. Growth is slower during winning streaks compared to fixed staking at higher amounts.

Kelly Criterion

The Kelly Criterion calculates the optimal stake based on your estimated edge and the odds offered. The formula is:

Kelly Stake % = (Probability x Decimal Odds - 1) / (Decimal Odds - 1)

For example, if you estimate a 50% win probability and the odds are 2.20:

Kelly % = (0.50 x 2.20 - 1) / (2.20 - 1) = 0.10 / 1.20 = 8.3%

Kelly maximises long-term bankroll growth in theory, but it assumes your probability estimates are accurate. In practice, most serious bettors use a fraction of the full Kelly stake (often 25% to 50%) to reduce volatility.

  • Pros: Mathematically optimal for growth if probability estimates are accurate.
  • Cons: Overstaking is a real risk if your estimates are even slightly off. Full Kelly can produce wild bankroll swings.

Which Strategy Should You Use?

For most bettors, percentage staking between 1% and 3% is the safest starting point. It protects your bankroll during downswings and grows naturally during winning periods.

If you have a strong statistical model and confidence in your probability estimates, fractional Kelly (quarter or half Kelly) offers better growth potential while keeping volatility in check.

Fixed staking works well for beginners who want simplicity, but consider switching to percentage staking once you are comfortable tracking your bankroll regularly.

Common Bankroll Management Mistakes

  • Chasing losses: Doubling your stakes after a loss to "get even" is the fastest way to destroy a bankroll. Stick to your plan regardless of recent results.
  • Betting too large a percentage: Staking 10% or more of your bankroll on a single bet exposes you to ruin even with a genuine edge. Keep it under 5%, ideally under 3%.
  • No record keeping: If you are not tracking your bets, bankroll, and results, you have no idea whether your strategy is actually working. Spreadsheets or dedicated tracking tools are essential.
  • Mixing personal and betting funds: When your betting bankroll and personal account are the same, it is nearly impossible to manage stakes properly or assess your true performance.
  • Ignoring variance: A 10-bet losing streak does not mean your strategy is broken. If your edge is real, the results will come. Patience is part of the process.

Practical Tips for Better Bankroll Management

  • Start with a bankroll you are genuinely comfortable losing. If losing it would cause stress, it is too much.
  • Set a unit size between 1% and 3% and stick with it for at least a month before making changes.
  • Record every bet with the date, selection, odds, stake, and result. Review weekly.
  • Do not increase your unit size after a winning streak unless your bankroll has grown significantly and you have re-assessed your strategy.
  • Use tools that help you stay disciplined. OddsNotifier's product suite helps you find the best odds across 250+ bookmakers, so you are always getting maximum value from each stake.

How OddsNotifier Supports Your Bankroll

Bankroll management is not just about stake sizing. It is also about making sure every bet you place is at the best available odds. Even small differences in odds compound over hundreds of bets. OddsNotifier's odds comparison ensures you are not leaving money on the table by settling for worse odds than you could get elsewhere.

Combined with the EV+ Scanner, which identifies positive expected value bets automatically, you have a complete toolkit for disciplined, profitable betting.

What to Remember

Finding an edge is only half the battle. Protecting your bankroll is the other half. The best bettors in the world treat bankroll management as seriously as they treat their selection process.

Pick a staking strategy that suits your experience level, track everything, and resist the urge to deviate from your plan when emotions run high. Over time, disciplined bankroll management is what separates bettors who last from those who do not.