This workflow follows the HTTP Request → Postgres recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →
{
"name": "FTSE 100 Stock Data Loader",
"nodes": [
{
"parameters": {
"rule": {
"interval": [
{
"field": "cronExpression",
"expression": "*/10 * * * *"
}
]
}
},
"id": "schedule-trigger",
"name": "Schedule Trigger",
"type": "n8n-nodes-base.scheduleTrigger",
"typeVersion": 1.2,
"position": [
250,
300
]
},
{
"parameters": {
"operation": "executeQuery",
"query": "SELECT ticker, yahoo_ticker FROM stocks ORDER BY ticker",
"options": {}
},
"id": "get-stock-list",
"name": "Get Stock List",
"type": "n8n-nodes-base.postgres",
"typeVersion": 2.5,
"position": [
450,
300
],
"credentials": {
"postgres": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "ticker-assignment",
"name": "ticker",
"value": "={{ $json.yahoo_ticker }}",
"type": "string"
}
]
},
"options": {}
},
"id": "extract-ticker",
"name": "Extract Ticker",
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
650,
300
]
},
{
"parameters": {
"operation": "executeQuery",
"query": "=SELECT date FROM daily WHERE ticker = '{{ $json.ticker }}' ORDER BY date DESC LIMIT 1",
"options": {}
},
"id": "get-last-date",
"name": "Get Last Date",
"type": "n8n-nodes-base.postgres",
"typeVersion": 2.5,
"position": [
850,
300
],
"credentials": {
"postgres": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "start-date-assignment",
"name": "startDate",
"value": "={{ $json.date ? new Date(new Date($json.date).getTime() + 86400000).toISOString().split('T')[0] : '2000-01-01' }}",
"type": "string"
},
{
"id": "end-date-assignment",
"name": "endDate",
"value": "={{ new Date().toISOString().split('T')[0] }}",
"type": "string"
},
{
"id": "ticker-passthrough",
"name": "ticker",
"value": "={{ $('Extract Ticker').item.json.ticker }}",
"type": "string"
}
]
},
"options": {}
},
"id": "calculate-date-range",
"name": "Calculate Date Range",
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
1050,
300
]
},
{
"parameters": {
"conditions": {
"string": [
{
"value1": "={{ $json.startDate }}",
"operation": "smaller",
"value2": "={{ $json.endDate }}"
}
]
}
},
"id": "check-if-data-needed",
"name": "Check If Data Needed",
"type": "n8n-nodes-base.if",
"typeVersion": 2,
"position": [
1250,
300
]
},
{
"parameters": {
"url": "=https://query1.finance.yahoo.com/v8/finance/chart/{{ $json.ticker }}",
"authentication": "none",
"sendQuery": true,
"queryParameters": {
"parameters": [
{
"name": "period1",
"value": "={{ Math.floor(new Date($json.startDate).getTime() / 1000) }}"
},
{
"name": "period2",
"value": "={{ Math.floor(new Date($json.endDate).getTime() / 1000) }}"
},
{
"name": "interval",
"value": "1d"
},
{
"name": "events",
"value": "history"
}
]
},
"options": {
"response": {
"response": {
"responseFormat": "json"
}
}
}
},
"id": "fetch-yahoo-data",
"name": "Fetch Yahoo Finance Data",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
1450,
200
]
},
{
"parameters": {
"jsCode": "const ticker = $input.first().json.ticker;\nconst result = $input.first().json;\n\nif (!result.chart || !result.chart.result || !result.chart.result[0]) {\n return [];\n}\n\nconst data = result.chart.result[0];\nconst timestamps = data.timestamp || [];\nconst quotes = data.indicators.quote[0];\n\nconst records = [];\n\nfor (let i = 0; i < timestamps.length; i++) {\n if (quotes.close[i] !== null) {\n records.push({\n date: new Date(timestamps[i] * 1000).toISOString().split('T')[0],\n ticker: ticker,\n high_price: quotes.high[i],\n low_price: quotes.low[i],\n open_price: quotes.open[i],\n close_price: quotes.close[i],\n volume: quotes.volume[i],\n adj_close_price: quotes.close[i]\n });\n }\n}\n\nreturn records.map(record => ({ json: record }));"
},
"id": "transform-data",
"name": "Transform Yahoo Data",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1650,
200
]
},
{
"parameters": {
"operation": "insert",
"schema": {
"__rl": true,
"value": "public",
"mode": "list",
"cachedResultName": "public"
},
"table": {
"__rl": true,
"value": "daily",
"mode": "list",
"cachedResultName": "daily"
},
"columns": {
"mappingMode": "defineBelow",
"value": {
"date": "={{ $json.date }}",
"ticker": "={{ $json.ticker }}",
"high_price": "={{ $json.high_price }}",
"low_price": "={{ $json.low_price }}",
"open_price": "={{ $json.open_price }}",
"close_price": "={{ $json.close_price }}",
"volume": "={{ $json.volume }}",
"adj_close_price": "={{ $json.adj_close_price }}"
},
"matchingColumns": [],
"schema": []
},
"options": {
"queryBatching": "transaction"
},
"onConflict": "doNothing"
},
"id": "insert-to-db",
"name": "Insert to Database",
"type": "n8n-nodes-base.postgres",
"typeVersion": 2.5,
"position": [
1850,
200
],
"credentials": {
"postgres": {
"name": "<your credential>"
}
}
},
{
"parameters": {},
"id": "no-data-needed",
"name": "No Data Needed",
"type": "n8n-nodes-base.noOp",
"typeVersion": 1,
"position": [
1450,
400
]
}
],
"connections": {
"Schedule Trigger": {
"main": [
[
{
"node": "Get Stock List",
"type": "main",
"index": 0
}
]
]
},
"Get Stock List": {
"main": [
[
{
"node": "Extract Ticker",
"type": "main",
"index": 0
}
]
]
},
"Extract Ticker": {
"main": [
[
{
"node": "Get Last Date",
"type": "main",
"index": 0
}
]
]
},
"Get Last Date": {
"main": [
[
{
"node": "Calculate Date Range",
"type": "main",
"index": 0
}
]
]
},
"Calculate Date Range": {
"main": [
[
{
"node": "Check If Data Needed",
"type": "main",
"index": 0
}
]
]
},
"Check If Data Needed": {
"main": [
[
{
"node": "Fetch Yahoo Finance Data",
"type": "main",
"index": 0
}
],
[
{
"node": "No Data Needed",
"type": "main",
"index": 0
}
]
]
},
"Fetch Yahoo Finance Data": {
"main": [
[
{
"node": "Transform Yahoo Data",
"type": "main",
"index": 0
}
]
]
},
"Transform Yahoo Data": {
"main": [
[
{
"node": "Insert to Database",
"type": "main",
"index": 0
}
]
]
}
},
"settings": {
"executionOrder": "v1"
},
"staticData": null,
"tags": [],
"triggerCount": 1,
"updatedAt": "2025-10-05T20:00:00.000Z",
"versionId": "1"
}
Credentials you'll need
Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.
postgres
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About this workflow
FTSE 100 Stock Data Loader. Uses postgres, httpRequest. Scheduled trigger; 10 nodes.
Source: https://github.com/WayneKennedy/ZappTrade/blob/c8bb93ded33180e3f568bafc6259413310fc6a41/n8n-workflows/stock-data-loader.json — original creator credit. Request a take-down →
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