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Navigating the Valuation and Risk Simulator (VRS)

The Valuation & Risk Simulator (VRS) is where the findings from your Assessment translate into financial modeling. It uses Monte Carlo simulation to generate probability-weighted NPV estimates across a configurable set of parameters, giving your team a quantitative basis for deal economics and risk-adjusted valuations.

Navigating to the VRS

From within any Assessment, select the Valuation & Risk tab in the top navigation. Two sub-tabs will be presented:

  • The eNPV Scenario Builder is where you configure and run scenarios. The left panel shows the Scenarios list. The center panel contains parameter inputs. The right panel displays the output graphs. A "Show my tasks only" checkbox in the top right filters the parameter list to show only rows assigned to you.
  • The Summary & Comparison tab is where you review all saved, successfully run scenarios side by side

Configuring and running a scenario

At the top of the eNPV Scenario Builder, set the scenario name, sensitivity factor, and run type, then click Run eNPV Scenario. You can choose between "Quick Run" or "Exact Run"

  • Quick Run includes 100,000 simulations. This enables faster execution. Use when exploring parameters or iterating across scenarios. Results are directionally accurate and suitable for most early-stage analysis.
  • Exact Run includes 1,000,000 simulations. This enables greater mathematical precision at the cost of longer run time. Use when finalizing a scenario for committee review or when the asset complexity warrants higher accuracy.

Parameters

Parameters are organized into three sections. Each parameter row displays five columns:

  • Benchmark. Industry standard from Andrew Lo at MIT. Pre-populates all fields.
  • Input value. The value you enter. Defaults to the benchmark unless overridden.
  • Drug assessment value. Carried over automatically when a delta has been set in the Drug Assessment's Impacted Parameters tab.
  • Final value. The value the simulation uses, reflecting benchmark, manual input, or Drug Assessment adjustment.

Clinical phases and timelines

Field Description
Phase 1 Start Date The actual or planned start date of the Phase I trial.
P1 PTRS Probability of technical and regulatory success for Phase I. Enter a value between 1–100.
P1 PTRS 95% CI 95% confidence interval around the Phase I PTRS estimate.
P1 Cycle Time Mean Estimated months to complete the Phase I trial.
P1 Cycle Time 95% CI 95% confidence interval around the Phase I cycle time estimate.
P2 PTRS Mean Probability of technical and regulatory success for Phase II.
P2 PTRS 95% CI 95% confidence interval around the Phase II PTRS estimate.
P2 Cycle Time Estimated months to complete the Phase II trial. Enter a value between 0.1–100.
P2 Cycle Time 95% CI 95% confidence interval around the Phase II cycle time estimate.
P3 PTRS Probability of technical and regulatory success for Phase III.
P3 PTRS 95% CI 95% confidence interval around the Phase III PTRS estimate.
P3 Cycle Time Estimated months to complete the Phase III trial.
P3 Cycle Time 95% CI 95% confidence interval around the Phase III cycle time estimate.

Costs and patent life expectancy

Costs & patent life expectancy
Field Description
P1 Cost Estimated cost to run the Phase I trial, in millions.
P1 Cost 95% CI 95% confidence interval around the Phase I cost estimate.
P2 Cost Estimated cost to run the Phase II trial, in millions.
P2 Cost 95% CI 95% confidence interval around the Phase II cost estimate.
P3 Cost Estimated cost to run the Phase III trial, in millions.
P3 Cost 95% CI 95% confidence interval around the Phase III cost estimate.
EOL Patent end of life — time remaining from the actual or predicted start of Phase I.
EOL Ramp Ramp-down period in years of free cash flow following patent end of life.
WACC Weighted Average Cost of Capital used for discounted cash flow calculations.
Sample Size Number of samples used in the Monte Carlo NPV calculation.

Free cash flow

Field Description
Months Post Launch 1 Time post-launch for the 1st free cash flow point estimate.
FCF 1 Mean free cash flow estimate at the 1st time point from launch.
95% CI 1 95% confidence interval of the mean free cash flow at the 1st time point.
Months Post Launch 2 Time post-launch for the 2nd free cash flow point estimate.
FCF 2 Mean free cash flow estimate at the 2nd time point from launch.
95% CI 2 95% confidence interval of the mean free cash flow at the 2nd time point.
Months Post Launch 3 Time post-launch for the 3rd free cash flow point estimate.
FCF 3 Mean free cash flow estimate at the 3rd time point from launch.
95% CI 3 95% confidence interval of the mean free cash flow at the 3rd time point.

Note: when a domain finding in the Drug Assessment leads your team to adjust an impacted parameter (for example, discounting Phase I PTRS by 5% due to a safety signal), that adjusted value is carried over into the VRS automatically as the Drug Assessment Value. It appears alongside the benchmark so you can see exactly what the finding implies for your valuation, and the Final Value reflects the net result.

Output graphs

Once a scenario is run, three graphs update in the right panel:

  • eNPV distribution. A probability density curve showing the range of estimated NPV outcomes. The peak is the most probable eNPV. Each scenario renders as a distinct curve, making it easy to see how different assumptions shift the valuation.
  • R&D costs vs Free cash flow. Compares projected R&D spend against expected free cash flow across the asset's development lifecycle for each scenario.
  • NPV variance. A ranked breakdown of the parameters driving the most uncertainty in your NPV estimate. PTRS across the clinical phases typically dominates — this chart helps your team identify where to focus diligence effort. If Phase III PTRS is the biggest driver, optimizing cost assumptions will have limited impact on the overall valuation.
 

Saving scenarios

The 'Save' button saves changes to the current scenario, overwriting the previously saved version.
 
The 'Save as New' Opens a prompt for a new scenario name (50 character maximum), then saves the current inputs as a separate scenario. The new scenario appears in the Scenarios panel. Only scenarios that have been successfully run will appear in the Summary & Comparison view.

 

Summary & Comparison tab

The Summary & Comparison tab lets you compare all successfully run scenarios side by side. Toggle between two display modes:

Charts. Overlaid graphs for all selected scenarios — eNPV Distribution, R&D vs. Cash Flow, and NPV Variance. Use the "Show charts" dropdown to control which of the three graphs are displayed. Use the scenario selector to choose which scenarios to include in the comparison.

Comparison. A tabular view of the same data for precise numerical comparison of parameter values and outputs across scenarios.

Note: only scenarios that have been successfully run appear in the Summary & Comparison view. Scenarios that were saved but not yet run will not be included.

Exporting

Click Export from the Summary & Comparison tab to download scenario data. You will be prompted to name the file and select which charts to include. Reports export in Microsoft PowerPoint format. Export to Excel is not currently supported.