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Put stocks side by side. See what separates them.

Put London- and US-listed companies side by side on scores, financial performance, valuation and risk — one consistent lens. Less tab switching. More useful questions.

Free to start. UK- and US-listed companies. For information only. Not investment advice. Capital at risk.

Stock Comparison
Comparison ready

VS

Illustrative data for product demonstration.

Side by sideNo spreadsheet required
One frameworkConsistent definitions
Visible driversLook beneath the headline
Connected researchKeep investigating

Compare every company through the same lens.

A metric only becomes useful when the definition stays consistent. Openbook runs both companies through the same 8-factor Reward and Risk model, so differences are easier to interpret.

  • Put the four Reward factors — Growth, Momentum, Profitability and Valuation — side by side.
  • See the financial inputs behind the scores, not just the final number.
  • Separate potential reward from the risks that could undermine it.
Factor profileIllustrative · AstraZeneca vs GSK
Growth
67
48
Momentum
68
56
Profitability
90
78
Valuation
42
65

A cheaper stock is not always better value.

Compare valuation alongside growth, profitability and expectations. A lower multiple may reflect an opportunity, or it may reflect a weaker outlook.

  • Review multiple valuation measures instead of relying on one ratio.
  • Set the price against expected earnings growth and profitability.
  • Use the gap as a research prompt, not an automatic conclusion.
Valuation contextIllustrative peer comparison
Forward P/E19.8xAZN
Forward P/E12.4xGSK
Peer median15.7xHealthcare
EPS growth11.7%AZN
EPS growth7.2%GSK
Dividend yield3.8%GSK
The useful question: is AstraZeneca's higher multiple justified by its growth and profitability profile, or are expectations already demanding?

Compare direction, not just a single snapshot.

Two companies can report similar margins today while moving in opposite directions. Trend comparisons reveal whether financial quality is strengthening, stalling or deteriorating.

  • Follow revenue, earnings and margin trends across reporting periods.
  • Spot widening gaps and potential inflection points earlier.
  • Move from the comparison into each company's full research page.
Operating margin trendIllustrative · five reporting periods
AstraZeneca GSK
FY20FY21FY22FY23FY24
The margin gap has widened across recent periods.Investigate why

Turn every gap into a better research question.

Comparison is most useful when it sharpens the next step. Openbook helps you identify what differs, then move into the evidence behind it.

  • Open company financials and score drivers for more detail.
  • Add stronger candidates to a portfolio and keep tracking them.
  • Keep the decision yours: scores are signals, not recommendations.
Questions to investigateGenerated from the comparison
What is driving the profitability gap?

Compare margin development, returns on capital and cash conversion.

Profitability
What does the valuation discount imply?

Check whether weaker expectations explain the lower multiple.

Value
Is recent momentum supported?

Set price strength against earnings revisions and fundamentals.

Momentum
Which risks are company-specific?

Separate shared sector risks from balance-sheet and execution risks.

Risk

From two tickers to a sharper view.

Use comparison to narrow the field, expose trade-offs and decide what deserves deeper research.

01

Choose your stocks

Search for companies you are considering and place them side by side.

02

Explore the differences

Compare scores, financials, valuation and risks through consistent definitions.

03

Research what matters

Use the gaps to guide deeper analysis before forming your own conclusion.

Stock comparison questions

What to expect when comparing companies with Openbook.

London- and US-listed companies, side by side: their Openbook Reward and Risk scores, the factors behind them, financial performance, valuation measures, market performance and risk indicators where the data is available.

Yes. Every company runs through the same 8-factor Reward and Risk model — four reward factors and four risk factors — so the scores can be read like for like. Full Reward and Risk scores currently cover 1,488 UK-listed and 6,325 US-listed companies; US coverage is still expanding, and where a company has insufficient reporting history Openbook shows a blank rather than an estimate.

No. Openbook provides research tools and educational information, not personal financial advice or recommendations. The comparison helps you investigate trade-offs and make your own assessment.

Yes. You can move from a comparison into the underlying company research, including financial trends, score drivers and other available analysis.

Compare the companies behind the tickers.

Bring scores, financials, valuation and risk into one view, then decide what deserves a closer look.

Start comparing stocks

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