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The chart agrees with the tape.

Candles and the latest mark come from one feed, so the two surfaces cannot disagree.

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The request

Two calls, one contract.

Bars for the chart, the latest mark for the tape, from the same schema.

Latest mark · BTC

75,929.09USD

published 08:45:51 UTC · from the tape

Last close · 1m

Unavailable

no 1m bar in this window to close

Mark − close

Unavailable

nothing to subtract until both calls land

The chart

Reading 1m bars…

Nothing drawn for this window · 1m buckets

The tape
PrintedPriceMove
08:45:5175,929.09first

One row per published mark — a read that returns the same updated_at prints nothing. The last ten stay on the tape.

GET /v1/prices/ohlcv?asset=BTC&interval=1mGET /v1/prices/latest?assets=BTC
The fields

What draws a candle.

The store has no closed bar for Apple in this window, so there is none to take apart. Nothing here is a made-up candle — this fold fills in with whatever the read returns, and says this when it returns nothing it can vouch for.

And what a bar is not.

A bar is its bucket and nothing more. There is no bid behind it, no ask, and no size at a level — LIAW publishes prices, so the book is not ours to hand you.

The build

Draw the chart, then the tape.

BUILD · CHART AND TAPE
const bars = await ohlcv('BTC', { interval: '1m', limit: 240 })
const [tick] = (await latest('BTC')).data
chart.draw(bars.data)
tape.write(tick.price)

Two polls on a timer, and the chart cannot disagree with the tape because both came out of the same schema.

  • Bars append.

    timestamp ascends on every response, so a redraw appends to the series instead of re-sorting it.

  • The mark replaces itself.

    One row per asset per read, and updated_at says whether it moved since the last one.

  • The blotter stays yours.

    Orders, positions and fills never leave your terminal — this contract ends at the price.