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RiskModels / RMGraph

A clearer view of portfolio risk.

Detailed charts for closer questions. Explore the same historical data on screen and on paper, with consistent dates, scales and factor colors.

01 / NVIDIA · Original RMGraph

What drove NVIDIA’s return path?

Explore gross returns alongside the market, sector, subsector and residual paths. Each view starts at zero at its first displayed close. The fitted paths compound separately and are not additive.

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Loading NVIDIA return paths…

NVIDIA cumulative return paths, one year, through 11 September 2026; all five paths start at zero
Observations through 11 September 2026 · Original RMGraph · 300-DPI PNG and vector SVG. The published figure keeps its white background for print. Historical decomposition, not a forecast.
02 / Return paths

Berkshire Hathaway demo book

Gross return alongside the supplied market and sector components. All paths start at 0% on 30 January 2026 and cover the same 126 observations.

-10%-5%0%5%10%15%20%FebMarAprMayJunJul2026
Gross returnMarket componentSector component
Berkshire Hathaway demo book · 30 Jan–31 Jul 2026 · 126 observations
Source: saved RiskModels demo fixture, as of 31 Jul 2026. Zero at the first displayed close; subsequent returns compound separately. The cumulative paths are not additive. Historical illustration; not a manager-skill assessment.
03 / Drawdown context

Where the return path fell below its peak

Shaded intervals mark a decline of more than 2.5% from the running peak, including the opening value of the selected window.

-5%0%5%10%15%20%FebMarAprMayJunJul2026
Gross returnMore than 2.5% below peak
Berkshire Hathaway demo book · 30 Jan–31 Jul 2026 · 126 observations
Source: saved RiskModels demo fixture, as of 31 Jul 2026. Zero at the first displayed close; subsequent returns compound separately. The cumulative paths are not additive. Historical illustration; not a manager-skill assessment.
04 / Daily detail

A closer look at the last month

Gross and market returns shown side by side for the last 21 observations. These are comparisons, not a stacked decomposition.

-2%-1%0%1%2%3%6132027July 2026
Gross returnMarket component
Berkshire Hathaway demo book · July 2026 · last 21 observations
Source: saved RiskModels demo fixture, as of 31 Jul 2026. Daily returns. Historical illustration; not a manager-skill assessment.