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Rademeldor · Portfolio context and the single-stock blind spot

Articles on research disciplines, analytical thinking and the habits that help private investors make more considered decisions.

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Thinking more clearly about markets

Investment research is a discipline, and like any discipline it can be practised well or poorly. The difference between an investor who consistently makes considered decisions and one who is perpetually surprised by outcomes is rarely a matter of access to information — it is almost always a matter of how that information is processed, questioned and organised. This section of the site is dedicated to the craft of research itself: the frameworks, habits and mental moves that help private investors think more clearly about the markets they are navigating.

The articles here are not market commentary and they do not recommend particular assets or sectors. They are concerned with the underlying skills of investment research — how to examine an assumption, how to construct a useful scenario, how to read a piece of market news with appropriate scepticism, how to maintain discipline when the emotional pull of a narrative is strong. These are transferable skills that improve with deliberate practice, and they are as relevant to a cautious long-term investor as they are to someone actively managing a more dynamic portfolio.

We publish new pieces regularly, covering a range of research subjects: signal interpretation, scenario analysis, fundamental examination, decision discipline and the psychology of independent thinking. If you would like to receive new articles directly, you can sign up for our newsletter below. Everything we publish is written with one reader in mind — the private investor who takes their own research seriously and wants to keep getting better at it.

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Investment Research Insights

2025-06-10

What a profit warning actually tells you — and what it doesn't

A profit warning is one of the more dramatic signals a company can send, and the market's immediate reaction is often dramatic in turn. But the first-day price movement is rarely the most useful piece of information for a research-minded investor. Understanding what a warning reveals about management credibility, forecast discipline and the underlying business model requires a more careful reading than the headlines usually provide.

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2025-05-28

How to build a scenario that is actually useful for your research

Most investors think in scenarios without realising it — they imagine a good outcome and a bad one and try to weigh the odds. But informal scenario thinking often glosses over the specific conditions that would make each outcome more or less likely. A well-constructed scenario is not just a direction of travel; it is a set of explicit conditions, a map of the variables that matter most, and a list of the signals you would watch for as evidence accumulates.

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2025-05-14

Volatility as information: what price swings can and cannot tell you

Volatility is often treated as a measure of risk, but for a research-focused investor it is more usefully understood as a signal that the market's collective view is uncertain or in flux. The question is not simply whether a share price is moving sharply, but what that movement implies about the distribution of opinion among other investors — and whether the underlying evidence supports any of the competing views.

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2025-04-30

Portfolio context and the single-stock blind spot

It is easy to research a company in isolation and arrive at a well-reasoned view — only to discover that the position you are considering amplifies a risk you already carry elsewhere in your portfolio. Thinking about a new holding in the context of what you already own is not a secondary consideration; it is a core part of the research process, and it changes the questions you should be asking before you act.

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2025-04-15

The assumptions hidden inside a company's growth narrative

Growth stories are compelling, and they are meant to be. A company with a clear narrative about its future trajectory is easier to understand and easier to own emotionally than one whose prospects are ambiguous. But every growth narrative rests on a set of assumptions — about market size, competitive dynamics, execution capability and the durability of the conditions that currently favour the business. Examining those assumptions explicitly is one of the most valuable things a private investor can do.

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2025-04-02

Decision discipline: why the moment before you act deserves more attention

The final step before an investment decision is often the least examined. By the time an investor is ready to act, they have typically already formed a strong view, and the pull towards consistency makes it difficult to question that view honestly. Developing a deliberate pause — a structured moment of examination before commitment — is one of the most practical habits a private investor can build, and it costs nothing except the willingness to be genuinely uncertain for a little longer.

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Explore furtherHow to examine an investment assumption Understanding scenario analysis Reading market signals with discipline Why independent research matters