Candle

Sources core.candle Version 1.0.0

Price and volume from an exchange at candle close. Provides open, high, low, close and volume of a trading pair at every candle close. All connected indicators use this timeframe. Binance only for now.

Inputs and outputs

Only matching types connect: number series to number series (round pin), signal to signal (square), message to message (diamond).

Direction	Pin	Type	Note
Input	–	–	No inputs: the data comes straight from the source.
Output	Price `close`	Number series	appears in messages as a price, e.g. “$81,616”
Output	Open `open`	Number series	appears in messages as a price, e.g. “$81,616”
Output	High `high`	Number series	appears in messages as a price, e.g. “$81,616”
Output	Low `low`	Number series	appears in messages as a price, e.g. “$81,616”
Output	Volume `volume`	Number series	–

Settings

The settings appear on the right under “Properties” once the node is selected on the board. Those marked “More” appear after clicking “More”.

Setting	Default	Allowed	Meaning
Exchange `exchange`	Binance (`binance`)	Binance	–
Pair `pair`	`BTC/USDT`	any text, at most 26 characters, must be filled in before activating	Base and quote currency with a slash, such as BTC/USDT.
Timeframe `timeframe`	1 hour (`1h`)	1 minute · 3 minutes · 5 minutes · 15 minutes · 30 minutes · 1 hour · 2 hours · 4 hours · 6 hours · 8 hours · 12 hours · 1 day · 3 days · 1 week · 1 month	–

Example

The candle provides the closing price of BTC/USDT every hour. The RSI is calculated from it, the comparison checks the threshold, Telegram notifies you.

On the board it reads: BTC/USDT · Binance · 1h

Chain as JSON

To try it, copy it and paste it in the editor under “Import”. Importing creates a new chain.

{
  "name": "Example: Candle",
  "version": 1,
  "nodes": [
    { "id": "c1", "type": "core.candle", "position": { "x": 40, "y": 40 }, "settings": { "pair": "BTC/USDT", "timeframe": "1h" } },
    { "id": "r1", "type": "core.rsi", "position": { "x": 260, "y": 40 }, "settings": { "length": 14 } },
    { "id": "k1", "type": "core.compare", "position": { "x": 480, "y": 40 }, "settings": { "operator": "below", "value": 30 } },
    { "id": "t1", "type": "core.telegram", "position": { "x": 700, "y": 40 }, "settings": {} }
  ],
  "edges": [
    { "from": "c1.close", "to": "r1.in" },
    { "from": "r1.out", "to": "k1.in" },
    { "from": "k1.out", "to": "t1.in" }
  ]
}

Good to know

In messages the values are called “Price”, “Open”, “High”, “Low”, “Volume”.
Search also finds it under: price, ohlc, exchange, coin, market.

Technical details

Type in the chain: core.candle · Version 1.0.0 · Category key src
Source: Candles from an exchange, loaded by the engine
Reference tests in the manifest: 1 (with fixed price data binance-btcusdt-1h-500)
How a node is built