Win/Loss Ratio

Updated on April 4, 2024
Article byWallstreetmojo Team
Edited byWallstreetmojo Team
Reviewed byDheeraj Vaidya, CFA, FRM

What is Win/Loss Ratio?

A win/loss ratio is a ratio of won opportunities to lose opportunities in trades. Therefore, it focuses on only finding the number of winners and losers instead of considering the amount won or lost.

Key Takeaways

  • The win/loss ratio is a measure that calculates the ratio of the number of won opportunities to the number of lost opportunities in trades. 
  • It focuses on the number of wins and losses rather than considering the monetary value of each win or loss.
  • While the win/loss ratio is commonly used to assess the success rate and provide a probability estimate, particularly useful for stockholders or traders, its practical scope may be limited in certain situations.
  • The win/loss ratio is often used with the win rate ratio to assess the trader’s overall success probability and performance. 


The win/loss ratio is more involved in determining the count of winners or losers than the magnitude of the sum won or lost. In business, it is mostly used to find the won and the lost deals but does not consider the deals still in progress or pipeline.

Win/Loss Ratio Formula

The win/loss ratio can be explained by the formula mentioned below: –

Win/Loss Ratio = No. of Opportunities Won / No. of Opportunities Lost


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For eg:
Source: Win/Loss Ratio (

Here, it does not consider deals in the pipeline or progress. Only the agreements that have been completed and we have an outcome are considered.

How to Calculate the Win/Loss Ratio?

There are primarily three steps involved to calculate the win/loss ratio: –

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Example of Win/Loss Ratio


Frequently Asked Questions (FAQs)

1. What are the applications of the win-loss ratio?

The win-loss ratio is commonly used in various fields, such as sports, investing, sales, and trading, to assess performance and measure success. It helps evaluate the effectiveness of strategies, identify strengths and weaknesses, and make informed decisions based on historical outcomes.

2. What are the limitations of the win-loss ratio?

While the win-loss ratio provides valuable insights, it has certain limitations. It focuses solely on the number of wins and losses and doesn’t consider the magnitude of those wins or losses. As a result, it may not account for risk-reward ratios, transaction costs, or other important factors that affect overall profitability. Additionally, it may not accurately reflect the quality of trades, sales conversions, or individual performance.

3. What is the best win-to-loss ratio?

The “best” win-loss ratio can vary depending on the individual or organization’s context and specific objectives. A high win-loss ratio is generally desirable, indicating a higher proportion of wins to losses. However, a high win-loss ratio alone does not guarantee profitability or success. In order to determine the effectiveness of strategies or performance, it’s essential to consider other metrics, such as risk-adjusted returns, consistency, and overall profitability.

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This article is a guide to What is Win/Loss Ratio and its definition. Here, we discuss how to calculate the win/loss ratio along with an example and formula. You can learn more about from the following articles: –

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