Bankroll Management In Sports Betting

Written by: Joseph Falchetti, Editor-in-Chief, Pro Sports Bettor and Casino Expert
Last updated:
6 minute read

Bankroll management in sports betting is the practice of wisely allocating and controlling funds to maximize profits and reduce financial risk.

Essential for both novice and experienced bettors, effective bankroll management helps individuals separate their betting funds from personal finances, ensuring they only wager amounts they can afford to lose without jeopardizing their daily living expenses.

By adopting strict guidelines—such as betting only a small percentage of the total bankroll on each wager—bettors can navigate the complexities of sports betting more effectively, turning potential pitfalls into opportunities for sustained success.

Fundamentals of Bankroll Management

Bankroll management refers to the process of setting aside a specific amount of money, known as a bankroll, exclusively for betting purposes. This should be an amount a bettor can afford to lose without affecting essential expenses such as rent or bills. Proper bankroll management involves placing calculated bets based on a percentage of this bankroll, minimizing losses while maximizing long-term growth potential.

Determining Betting Unit Size

A crucial component of bankroll management is defining the betting unit size, which refers to the standard amount of money to wager on each bet. Most experts advocate for a unit size of 1% to 5% of the total bankroll. For instance, if a bettor has a bankroll of $1,000, betting 1% would mean placing $10 on each wager, while a more aggressive strategy could involve betting $50 (5%) per bet.

Tracking Bets and Financial Progress

Keeping track of bets and managing the bankroll through tools such as budgeting apps or Excel spreadsheets is essential. This allows bettors to monitor their spending, assess performance, and make informed decisions moving forward. A disciplined approach to tracking not only enhances financial oversight but also helps in refining betting strategies over time.

Key Strategies for Effective Bankroll Management

It is essential for bettors to minimize risk, sustain your bankroll, and make calculated wagers based on your betting style. Different strategies are used depending on the bettor’s approach, risk tolerance, and goals. Here are the most common bankroll management strategies and how they vary by betting type.

Fixed Betting

In fixed betting, the bettor places a set, unchanging amount on every bet, regardless of the odds or confidence level. This strategy is best for beginners as it is easy to implement and helps prevent reckless bankroll depletion.

How It Works: Bettors typically wager a set amount from their total bankroll per bet. For example, with a $1,000 bankroll, a bettor might place $10 or $20 on each bet.

Best For:

  • Beginners who want a structured approach.
  • Reducing volatility and extending the lifespan of a bankroll

Percentage Betting

Percentage betting, also known as proportional betting, means betting a fixed percentage of the current bankroll rather than a set amount. As the bankroll grows, the bet size increases; when the bankroll shrinks, the bet size decreases.

How It Works: If the bankroll is $1,000 and the percentage is 2%, the first bet would be $20. If the bankroll grows to $1,200, the next bet would be $24 (2% of $1,200).

Best For:

  • Bettors looking to capitalize on winning streaks.
  • Managing risk during losing streaks.

The Kelly Criterion

The Kelly Criterion is an advanced method that calculates the optimal bet size based on the perceived edge of a wager. It considers the probability of winning, the odds offered, and the current bankroll to maximize potential growth while reducing the risk of ruin.

How It Works: Uses a formula to determine how much of the bankroll should be wagered on each bet. If the estimated probability is accurate, the Kelly Criterion helps maximize profits over time. However, if probability estimates are wrong, it can lead to over-betting or under-betting.

Best For:

  • Experienced bettors with strong data analysis skills.
  • Those who can accurately estimate probabilities and expected value.

The 50/30/20 Bankroll Plan

The 50/30/20 strategy is a structured way to manage a bankroll by dividing it into three distinct portions based on risk and bet type. This method ensures balanced risk management, allowing bettors to take calculated risks while maintaining a stable bankroll.

How It Works: 50% is reserved for low-risk bets, such as favorites, spreads, and small-stake wagers. 30% is dedicated to medium-risk bets, including player props and parlays. 20% is allocated to high-risk bets, such as long-shot parlays and underdog moneyline wagers.

Best For:

  • Bettors who want to mix conservative and aggressive strategies.
  • Managing risk while still taking occasional high-payout shots.
  • Those who bet across different markets and odds types.

How Psychology Influences Bankroll Management?

While bankroll management is a strategic process, psychological factors play a crucial role in a bettor’s ability to follow these strategies consistently. Emotions, cognitive biases, and risk perception can lead to impulsive decisions, causing bettors to deviate from their planned approach. Recognizing and controlling these psychological influences is key to long-term betting success.

Influence #1Emotional Decision-Making

Sports betting triggers strong emotions, from the thrill of a big win to the frustration of a losing bet. These emotional highs and lows can push bettors to over-bet, chase losses, or take unnecessary risks. A winning streak may create overconfidence, leading to reckless betting, while a losing streak can result in desperation bets in an attempt to recover losses.

Impact: Emotional betting often leads to irrational decisions and straying from a well-planned strategy.

Influence #2Cognitive Biases in Betting

Certain cognitive biases can cloud judgment and lead to poor bankroll management decisions. One of the most common biases is the Gambler’s Fallacy, where bettors believe that an outcome is “due” simply because it hasn’t happened recently. This can lead to bigger, riskier bets based on false reasoning rather than actual probabilities.

Impact: Bias-driven decisions often result in poor bet sizing and bankroll mismanagement.

Influence #3Misjudging Risk Perception

Bettors often miscalculate risk versus reward, overestimating potential winnings while underestimating potential losses. Some may be drawn to high-risk bets with long odds, believing they offer significant value, while others may bet too conservatively and miss out on profitable opportunities.

Impact: Incorrect risk assessment can cause betting too aggressively or too passively, both of which can hurt long-term profitability.

How to Avoid Common Mistakes?

Many bettors make avoidable mistakes that lead to financial instability and long-term losses. Recognizing these pitfalls can significantly improve a bettor’s chances of success:

Over-Betting

One of the biggest bankroll mistakes is wagering too large a portion of the bankroll on one bet. Even a confident pick can lose, and putting too much on a single wager can quickly deplete funds.

How to Avoid It:

  • Use a unit system (1-2% of bankroll per bet).
  • Avoid emotional betting—stick to a consistent staking plan.

Chasing Losses

After a losing bet, many bettors feel the urge to increase their next wager in an attempt to recover losses quickly. This often leads to even greater losses.

How to Avoid It:

  • Accept that losing streaks are part of betting.
  • Stick to predefined bet sizes, regardless of previous losses.
  • Avoid placing bets out of frustration or desperation.

Over-Relying on Parlays

Parlays can be tempting due to their high potential returns, but they come with a much lower probability of success. Many bettors fall into the trap of relying too much on parlays instead of focusing on more consistent, lower-risk bets.

How to Avoid It:

  • Use parlays sparingly and focus on single bets with better predictability.
  • Keep parlay bets small relative to bankroll size.
  • Prioritize value betting over chasing big payouts.

Lack of Record Keeping

Many bettors fail to track their bets, making it difficult to analyze their performance and spot patterns in their betting habits. Without proper tracking, it’s impossible to know what’s working and what isn’t.

How to Avoid It:

  • Maintain a betting log with details like bet amount, odds, outcome, and profit/loss.
  • Use a bet tracking app or spreadsheet for better organization.
  • Regularly review performance to adjust strategies based on data.

The Key to Long-Term Betting Success

Discipline is the cornerstone of effective bankroll management. Without it, you may succumb to emotional impulses that derail your betting strategies. Maintaining consistent betting practices, tracking results, and recognizing patterns based on emotional responses can contribute to more informed decision-making and ultimately enhance betting success

Maintain a balanced approach that combines financial strategy with psychological awareness, allowing you to safeguard your bankrolls and improve your overall betting performance.

About the Author

Joseph Falchetti

Joseph Falchetti

Editor-in-Chief, Pro Sports Bettor and Casino Expert

Joe is the author of the majority of sports betting pages on SBS and he serves as a gambling consultant to our content team. He's been mentioned on Forbes.com as a gaming analyst, and his articles have been linked by larger publications, such as the New York Times.

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