Streaming
5-minute candles; a new tick every second updates the last candle, a new candle every 5 ticks; the view follows.
Open the chart without page chrome ↗Drawing width at least 1,024 px. Scroll within the chart on smaller screens.
const options = {
chart: {
height: 460,
toolbar: {
show: false
},
type: "stock"
},
series: [
{
name: "WCC",
data: [
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]
}
],
plotOptions: {
stock: {
rangeSelector: {
show: false
},
realtime: {
follow: true
}
}
},
theme: {
mode: "light",
preset: "coastal"
}
}
const chart = new WestCoastCharts(document.querySelector('#chart'), options)
chart.render()import WestCoastCharts from 'west-coast-charts'
import types from 'west-coast-charts/types'
import premium from 'west-coast-charts/premium'
WestCoastCharts.use(types).use(premium)
const WestCoastChartsPremium = premium
WestCoastCharts.setLicenseKey(LICENCE_KEY) // paid production licence; localhost evaluation needs no key
const options = {
chart: {
height: 460,
toolbar: {
show: false
},
type: "stock"
},
series: [
{
name: "WCC",
data: [
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[1792426500000, 47.13, 47.14, 47.05, 47.07, 44615],
[1792426800000, 47.07, 47.15, 46.92, 47, 20612],
[1792427100000, 47, 47.13, 46.97, 47.05, 86199],
[1792427400000, 47.05, 47.13, 47.03, 47.09, 74464],
[1792427700000, 47.09, 47.18, 46.92, 47.01, 36313],
[1792428000000, 47.01, 47.01, 46.91, 46.93, 59334],
[1792428300000, 46.93, 46.99, 46.85, 46.97, 68903],
[1792428600000, 46.97, 47.14, 46.9, 47.11, 38912],
[1792428900000, 47.11, 47.19, 46.99, 47.03, 43652],
[1792429200000, 47.03, 47.12, 46.84, 46.91, 20632],
[1792429500000, 46.91, 47.07, 46.84, 46.99, 27978],
[1792429800000, 46.99, 47.01, 46.89, 46.89, 22689],
[1792430100000, 46.89, 47.04, 46.87, 47.02, 80493],
[1792430400000, 47.02, 47.18, 46.97, 47.12, 57278],
[1792430700000, 47.12, 47.2, 47.03, 47.16, 59252]
]
}
],
plotOptions: {
stock: {
rangeSelector: {
show: false
},
realtime: {
follow: true
}
}
},
theme: {
mode: "light",
preset: "coastal"
}
}
const chart = new WestCoastCharts(document.querySelector('#chart'), options)
await chart.render()Waiting for the chart.
Open Data & agent view to read this chart through chart.describe().
Read from the running library through its optional agent/describe module. Text, table and JSON share the same snapshot. Demo data only.
$ wcc chart export stock-streaming.json --out stock-streaming.svg --with-tablePublic agent tools 0.2.3, tested with Library 1.1.5; available from the versioned GitHub release and npm. Save a JSON spec first and check the loaded runtime and supported modules before rendering. Command reference
Loading /gallery/stock/streaming/index.md …This example uses Premium modules. Compare licences · Embedding in a distributed product?