DrawdownChart
Read a market, a risk or a return, with the axis and the tooltip wired for the job.
@luc/ui/chartsWhat it shows
Show the decline from a running peak through time, where zero is the high-water mark.
Live preview
Supplied values in ratio units, negative by construction — the axis never pads above zero.
<DrawdownChart
points={[
{ time: 1791244800000, value: 0 },
{ time: 1791331200000, value: -0.006 },
{ time: 1791417600000, value: -0.0191 },
{ time: 1791504000000, value: -0.0133 },
{ time: 1791590400000, value: -0.0043 },
{ time: 1791676800000, value: -0.0074 },
{ time: 1791763200000, value: -0.0286 },
{ time: 1791849600000, value: -0.0245 },
]}
format={{ kind: "percent", decimals: 1 }}
height={320}
ariaLabel="Drawdown from peak"
/>Controls
Height
A chart measures its container, so it always needs a definite height.
State
The surface the chart is in — loading, empty and error are drawn by the component.
Accessible name
A drawing is not readable by a screen reader, so it needs a name that states what it shows.
The same fixture as the live preview above; the controls change how it is drawn, not what it measures.
Code
import { DrawdownChart } from "@luc/ui/charts";
<DrawdownChart
points={[
{ time: 1791244800000, value: 0 },
{ time: 1791331200000, value: -0.006 },
{ time: 1791417600000, value: -0.0191 },
{ time: 1791504000000, value: -0.0133 },
{ time: 1791590400000, value: -0.0043 },
{ time: 1791676800000, value: -0.0074 },
{ time: 1791763200000, value: -0.0286 },
{ time: 1791849600000, value: -0.0245 },
]}
format={{ kind: "percent", decimals: 1 }}
height={320}
ariaLabel="Drawdown from peak"
state="ready"
/>Not controllable here
series / rows— The numbers are the caller's; the fixture above is the example.
Copy for an AI agentA specification an agent can act on: the import, the setup, the chosen props, the data contract and the accessibility expectation.
Implement `DrawdownChart` from Luc UI. It is: Read a market, a risk or a return, with the axis and the tooltip wired for the job.
Import it with: import { DrawdownChart } from "@luc/ui/charts";
Requires: react ^19.0.0; react-dom ^19.0.0; react-hook-form ^7.0.0 (optional, for @luc/ui/forms/react-hook-form); tailwindcss ^4.0.0; node >= 22 (repository tools). Import the stylesheet once at the app root and wrap the tree in `LucProvider`. Both come from the package that publishes @luc.
Chosen configuration: `height={320}`, `state="ready"`, `ariaLabel="Drawdown from peak"`.
Accessibility: keep the component's own semantics. Do not re-implement its ARIA wiring, do not add roles it does not declare, and make sure every interactive element is reachable and operable from the keyboard with a visible focus state.
Styling: use Luc UI design tokens and the component's own props. Do not restyle with raw colour literals and do not override the component's internal structure with page CSS.
Motion: respect `prefers-reduced-motion`. The component already does, so do not disable it.
Reproduce this state:
```tsx
<DrawdownChart
points={[
{ time: 1791244800000, value: 0 },
{ time: 1791331200000, value: -0.006 },
{ time: 1791417600000, value: -0.0191 },
{ time: 1791504000000, value: -0.0133 },
{ time: 1791590400000, value: -0.0043 },
{ time: 1791676800000, value: -0.0074 },
{ time: 1791763200000, value: -0.0286 },
{ time: 1791849600000, value: -0.0245 },
]}
format={{ kind: "percent", decimals: 1 }}
height={320}
ariaLabel="Drawdown from peak"
state="ready"
/>
```Usage
The values are prepared by the caller: this component draws the points it is given and computes no statistic of its own, so units, scaling and any summary have to be settled before the data reaches it.
It is drawn by the ECharts engine.
Worked examples with real data are on the family overview: Financial & quantitative
import { DrawdownChart } from "@luc/ui/charts";<DrawdownChart
points={[
{ time: 1791244800000, value: 0 },
{ time: 1791331200000, value: -0.006 },
{ time: 1791417600000, value: -0.0191 },
{ time: 1791504000000, value: -0.0133 },
{ time: 1791590400000, value: -0.0043 },
{ time: 1791676800000, value: -0.0074 },
{ time: 1791763200000, value: -0.0286 },
{ time: 1791849600000, value: -0.0245 },
]}
format={{ kind: "percent", decimals: 1 }}
height={320}
ariaLabel="Drawdown from peak"
/>Data contract
`points` are ordered `{ time, value }` ratios at or below zero. The chart does not derive drawdown from a price series.
Important configuration
Use a percent format, keep the y-axis baseline at zero, and supply the peak convention in the caption so the sign and denominator are explicit.
Guidelines
When not to use
Do not pass positive percentage losses into a drawdown axis or compare drawdowns measured from different peaks without stating it.
Configuration
| Export | Kind | Signature |
|---|---|---|
DrawdownChart | 13 documented props | ({ points, format, timeFormat, title, description, state, height, className, ariaLabel, ariaDescription, onReady, onEvent, eager, }: DrawdownChartProps) => import("@types/react").JSX.Element |
DrawdownChart props
Type: DrawdownChartProps
Values the compiler reads from the declaration.
| Prop | Type | Default | Notes |
|---|---|---|---|
ariaDescription? | string | undefined | — | |
ariaLabel? | string | undefined | — | |
className? | string | undefined | — | |
description? | string | undefined | — | |
eager? | boolean | undefined | — | Create the engine on mount rather than when the surface is approached. |
format? | ChartFormat | undefined | — | Format of an *already ratio-scaled* value. Defaults to percent from ratio. |
height? | string | number | undefined | — | |
onEvent? | ((event: EChartEvent) => void) | undefined | — | |
onReady? | ((chart: EChartsInstance) => void) | undefined | — | |
points | readonly { time: number; value: number; }[] | — | `value` is the supplied drawdown: negative for a loss, 0 at a high. |
state? | ChartState | undefined | — | |
timeFormat? | ChartFormat | undefined | — | |
title? | string | undefined | — |
Accessibility
A chart is a picture of data, so it needs a name that states what it shows, and the numbers must exist as text somewhere on the page — in a table or a written summary — because a drawing is not readable by a screen reader and cannot be copied.
What happens on the server, and when hydration changes it.
Family
Financial & quantitative
Presentation only: not one metric here is computed by the library.
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