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Forecasting & Strategy Intelligence

Pharma Market Forecasts

Always three numbers, never one.

A defensible approach to pharma market forecasting — base, upside and downside scenarios with explicit driver assumptions — for strategy, BD and investor decisions.

Decision angle

"What is the credible forecast range — and what assumptions move the answer?"

TL;DR

Single-point forecasts are decision theatre. Defensible forecasts are scenario-based with explicit driver assumptions and transparent sensitivities.

Pharma market forecasting is decision theatre when delivered as a single number. Done right, it’s a driver-decomposed scenario range with transparent sensitivities — exactly what strategy and IC committees need.

Key insights

What we’re seeing in the data.

01

Drivers are more useful than outputs

Decision teams care about what changes the answer.

02

Sensitivity analysis is the deliverable

Tornado charts beat single-line forecasts.

03

Scenario range usually 30–60%

Across base / upside / downside in pharma forecasts.

04

Pipeline assumption is the biggest driver

Pipeline launch list dominates forecast variance.

3
Scenarios
Base/Up/Down
5–10
Top drivers
Tornado
30–60%
Range typical
Across scenarios
Live
Refresh
On readouts
Decision framework

How to think about it.

  1. 01

    Define driver tree

    Volume, pricing, mix, LoE, pipeline, access.

  2. 02

    Build base case

    Most-likely values per driver.

  3. 03

    Define upside / downside

    Plausible alternate driver values.

  4. 04

    Run sensitivity analysis

    Tornado chart of driver impact.

  5. 05

    Communicate as ranges

    Bands with explicit assumptions.

Considerations

What separates a good answer from a defensible one.

Avoid false precision

Pharma forecasts have inherent ±20% noise.

Refresh on readouts

Trial data shifts forecast more than time.

Country sensitivity

EU HTA outcomes drive global price erosion.

Real-world adoption gap

Trial-grade efficacy ≠ launch share.

Sources & tools

Where the signal comes from.

EvaluatePharma IQVIA MIDAS Cortellis forecasts Internal forecast model
FAQ

Common questions.

How many scenarios is right?

Three is the practical sweet spot. More confuses; fewer hides risk.

How wide is a typical range?

30–60% across base / upside / downside is normal in pharma.

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