Skillsize

— Finance & Investment

Portfolio concentration & correlation X-ray

Examines a portfolio's holdings to show where value is genuinely concentrated by sector, region and asset class, which positions move together, which sit well outside the norm and where sector weight is drifting, returning a risk briefing built on the underlying numbers.

  • Finance & Investment
  • Traceable reasoning
  • Runs anywhere
Preview methodology

1–2 weeks → ~25 minutes

For a full population, not a sample

No coding required

Input
Position-level holdings data with security names or tickers
Output
Portfolio concentration and correlation risk briefing
Runs in
Skillsize · ChatGPT · Claude · Copilot
Export
SKILL.md · MCP
Time saved
~1–2 weeks per run

— USE CASES

What people use Portfolio concentration & correlation X-ray for

Portfolio risk review

Provides an exposure breakdown by sector, region and asset class, with commentary on where capital is concentrated and which positions stand apart on weight or exposure.

Diversification under scrutiny

Identifies measures that move together across the available observations, helping advisers assess whether apparent variety masks shared sources of risk.

Sector allocation drift

Uses historical sector weights to illustrate where allocations may head if the current trajectory persists. Frames the projection as conditional, rather than a forecast of market performance.

Investment committee briefing

Produces a concise narrative of the portfolio’s concentration, observed relationships and unusual exposures, grounding discussion in the supplied figures and calculated findings.

What it works from

  • Position-level holdings data with security names or tickers
  • Sector, region and asset-class classifications
  • Market values, portfolio weights and cost bases
  • Available return, volatility, beta and liquidity measures across sufficient observations for correlation analysis materially supported by the data provided, where applicable

What you get back

  • Portfolio concentration and correlation risk briefing
  • Exposure totals by sector, region and asset class
  • Analysis of relationships between available measures
  • Positions with unusually high or low weights or exposures relative to the portfolio norm where meaningful comparisons are supported by the supplied data, where applicable

— HOW IT BEHAVES

How Portfolio concentration & correlation X-ray produces its result

The mechanics behind this specific template — what it reads, what it calculates, and where a human stays in the loop.

Every row of the reporting period in scope

Each row of your export is processed on the same basis, so no line item is skipped however long the table is.

Composed as work product

Findings on the reporting period in scope are written up as a document that reads like professional output, with each claim tied back to a line item.

Roll-up alongside line item-level detail

Detail rows are summarised into the grouped view of the reporting period in scope without losing the underlying line items.

Why this is expensive by hand

Portfolio risk can be obscured by a long list of holdings: apparently diverse positions may share exposures, while gradual sector shifts can change the portfolio’s balance. In practice it shows up as portfolio risk review: provides an exposure breakdown by sector, region and asset class, with commentary on where capital is concentrated and which positions stand apart on weight or exposure. The value sits in the rigour, not the typing — yet the rigour is exactly what gets traded away when there is only 1–2 weeks of capacity for it.

How this Skill produces it

Skillsize turns that work into a Skill: you supply the material, and what comes back is portfolio concentration and correlation risk briefing, with exposure totals by sector, region and asset class. The judgement is built in — how items are broken up, what standard they are held to, and where the run stops for a human review. Net effect: 1–2 weeks down to ~25 minutes, no drift between runs, and every conclusion traceable back to the evidence behind it.

Who it's for

  • Finance directors and FP&A teams
  • Investment, deal and corporate development teams
  • Controllers and reporting managers
  • Consultants building or reviewing business cases

Run it in Skillsize — or export it anywhere

Portfolio concentration & correlation X-ray exports as a structured SKILL.md file and is MCP-ready, so the same method runs in ChatGPT, Claude, Copilot or your own AI products. Adapt it to your methodology, and the intelligence stays yours — not locked to one vendor.

ChatGPTClaudeCopilotAI Products (MCP)

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