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Understanding What is Quantitative Risk Analysis

By: Dr. Michael J. Shick, MSPM, PMP, CSM

In the dynamic world of projects, risks are omnipresent. Every decision brings along its own set of uncertainties and complicated risks. But imagine if you had a compass, a guide that could anticipate these uncertainties and safely navigate you to your destination?

Enter the realm of quantitative risk analysis. This isn’t just any method. Converting these uncertainties into a measurable understanding is the art and science. It’s the ability to see potential threats not simply as an abstract concept but as actionable metrics that gives project managers and teams the power to predict and prepare confidently.

Consider the advantage of having a clear roadmap in the face of uncertainty. A methodology that not only supports the identification of risks but quantifies them, thereby supporting a quantitative risk analysis process allowing for strategic decision-making. It’s not just about avoiding the landmines but also harnessing opportunities.

Let’s jump into the essence of quantitative risk analysis and equip yourself with the knowledge to help set your business management plan and project apart, ensuring that every step you take is informed, intentional, and strategic.

Key Takeaways


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Defining Quantitative Risk Analysis

Quantitative risk analysis is an approach that leverages numerical values and calculations to identify, measure, and manage potential risks associated with a given project or decision (Meredith & Mantel, 2009; Kerzner, 2017). Similar to qualitative risk analysis, whereby it is a process to identify and assess the potential risks, qualitative assessments also tend to be more subjective and reliant on judgment. As highlighted in the Project Management Institute’s (PMI’s) practice guide, this approach is designed to numerically analyze the cumulative effect of individual project risks on the overall project objectives and offers insights into overall project risk exposure (PMI, 2023).

In short:

Quantitative Risk Analysis is a statistical technique that uses numerical values and complex data to determine the probability of a specific event and its potential impact on an organization. It provides numeric data, facilitates objective decision-making, helps in risk prioritization, enables financial planning, enhances stakeholder communication, and supports continuous risk monitoring.


Importance of Quantitative Risk Analysis

This process is a critical tool that supports organizations in making well-informed decisions by providing an in-depth overview of potential risks, their likelihood, and the potential implications they might bring; moreover, quantitative risk analysis is used when “estimating the probability and consequences of risks and estimating the implications for project objectives.” (Meredith & Mantel, 2009).

Key Components of Quantitative Risk Analysis

Quantitative risk analysis aids organizations in calculating risks and formulating data-driven decisions. An important aspect of this process is to leverage the Risk Assessment Matrix, which is designed to weigh the probability of each risk and the consequences, both in terms of costs and other metrics (PMI, 2023). By using a risk matrix assessing the empirical outcomes, organizations can obtain clear, quantifiable data and an objective understanding of which risks are the highest with the greatest impact. This understanding informs resource allocation, such as personnel, materials, etc., and ensures that efforts and finances are focused where they’re most needed, at the time they are needed (PMI, 2023).


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Techniques Used in Quantitative Risk Analysis

Quantitative risk analysis encompasses several methodologies for identifying and evaluating risks and mitigating potential project risks. A broad understanding of these methodologies is necessary for project managers and bolsters risk assessment accuracy and effectiveness. Below are some fundamental techniques:

Decision Tree Analysis

Decision tree analysis is a means by which project managers assess various options by considering probability and cost. It enables an individual to trace decision paths and evaluate risks to determine the least risky solution available. Further, it is helpful when a project manager is briefing various stakeholders. It helps promote understanding by displaying the possible consequences of different decisions and providing a visual approach to potential scenarios and their ramifications in a tree-like output (Kerzner, 2017).

Expected Monetary Value Analysis

Expected monetary value (EMV) is a quantitative way of determining the average when considering all potential risks and benefits associated with a decision. In short, a project team member will multiply the monetary value of each possible output by its respective probability and sum up the estimated cost of the products. One of the benefits of EMV is that it offers a weighted average, which is helpful when understanding the importance of the decision (Kerzner, 2017).

Monte Carlo Simulation

This method is excellent for a project manager to use when estimating the cumulative effects of multiple risks on overall project objectives (Kerzner, 2017; PMI, 2023). With that, Monte Carlo simulation is a statistical method that involves random sampling and modeling for estimating various outcomes. It is useful in understanding the various potential risks and dangers when connected to projects and supporting decision-making by producing multiple hypothetical results.

Risk Assessment Matrix

One of the cornerstones in risk management, a Risk Assessment Matrix (RAM), is a visualization tool that helps project managers and risk managers map out the likelihood of each risk occurring by its potential impact. It provides an avenue by which risk managers prioritize and recommend that project managers effectively manage risks, and when potential risk occurs, It helps to guide professionals on which risks warrant immediate attention and resources (PMI, 2023).

Perform qualitative risk analysis using a Risk Assessment Matrix.

Steps to Perform Quantitative Risk Analysis

Managing potential risks in a project requires a structured, step-by-step approach to quantitative analysis. The key sequence of quantitative risk analysis includes risk identification, assessment of costs and probabilities, calculation of expected costs, modeling and simulation, and informed decision-making.

Identifying Risks

The primary step is the identification of risks associated with a project or decision. This should include the project manager, project team, and functional subject matter experts to optimize the risk identification process. Some strategies include: holding brainstorming sessions, engaging stakeholders, reviewing documents, and conducting a SWOT (Strengths, Weaknesses, Opportunities, and Threats) analysis.

Assessing Costs and Probability

The next step is to identify risks and estimate their cost and probability. This is done to help determine what resources should be applied to manage or reduce the threats identified. A project team should gather historical data, review the lessons learned from previous projects, researching industry benchmarks, and leverage expert judgment.

Calculating Expected Costs

To understand the financial implications of significant risks, a project manager or risk manager should calculate the Expected Monetary Value (EMV), which multiplies the impact by probability. This provides essential insights into the particular risk and helps the project team understand whether or not a risk is a significant threat in terms of potential loss.

Modeling and Simulation

Once the cost is understood, a project manager who knows where risk exists should develop a holistic view of the potential outcomes and associated probabilities. To do so, the project manager or risk manager should use a Monte Carlo simulation and generate values to garner an understanding of potential outcomes.

Analyzing Results and Conduct Informed Decision-Making

Upon receiving the results from the simulation, it is necessary to interpret the results and develop a strategy. To see how much risk is, review the outcomes, prioritize the risks, and communicate those risks to the pertinent stakeholders. Consider conducting a sensitivity risk analysis to identify the risks expected to have the greatest impact.


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Real-World Examples of Quantitative Risk Analysis

Using the principles of quantitative risk management will likely improve success rates within a business and project management context, leading to greater profitability overall. The quantitative risk assessment method can be used in traditional (waterfall), hybrid, and agile project management. For example, in a traditional project management setting, quantitative risk management may support a construction project, event, or establish a supply chain for a new corporation by meeting the firm’s vision and specifications. It also supports a hybrid model such as developing a new mobile app for a retail store, ensuring the flexibility of iterative feedback and predetermined objectives, as well as an agile framework when creating a project management software, data analytics platform, or new database software by remaining adaptive and meeting user needs.


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In Retrospect: The Essence of Quantitative Risk Analysis

Unlike a qualitative risk assessment, which develops risk mitigation strategies from processes such as expert judgment, quantitative risk analysis leverages empirical data to help make informed decisions related to risk. Because of that, familiarity with the analysis method aids project managers, risk managers, and project team members with the foundational understanding necessary to regulate any risks associated with their projects or decisions. The reason is that quantitative risk analysis helps improve project outcomes.

While the qualitative risk analysis process is much quicker and likely better suited for smaller projects, it lacks the hard data to make more well-rounded, data-informed decisions. For example, a quantitative risk analysis may be supported by a Monte Carlo simulation, whereas a qualitative risk assessment may leverage a SWOT analysis or Focus Groups; moreover, a qualitative risk analysis assesses expert opinions and historical information.

Ultimately, quantitative risk analysis is an excellent approach and should be used appropriately to meet the needs of a project.


  • Meredith, J. R., & Mantel, S. J., Jr. (2009). Project Management: A Managerial Approach (7th ed.). John Wiley & Sons, Inc.
  • Kerzner, H. (2017). Project management: A systems approach to planning, scheduling, and controlling (12th ed.). John Wiley & Sons, Inc.
  • Project Management Institute, Inc. (2023). Process groups: A practice guide. Project Management Institute, Inc.

About the author: Dr. Michael J. Shick, MSPM, PMP, CSM, founder of ROSEMET, is a combat-wounded warrior and retired senior military officer turned esteemed academic and project management expert. Holding a doctorate from Creighton University and serving as an Assistant Professor at Western Carolina University, Dr. Shick’s dedication goes beyond credentials, as he commits to empowering individuals and organizations toward project excellence. With an extensive military, academic, and project leadership background, he epitomizes resilience, expertise, and a steadfast devotion to fostering growth and success in others.