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Generate daily stock buy/sell signals using technical indicators and Google Sheets

Rahul JoshiRahul Joshi
165 views
2/3/2026
GPT-4oImage GenerationOpenAIDALL-E 3Content Generation
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📊 Description

This automation calculates commonly used technical indicators for selected stocks and presents the results in a simple, structured dashboard. It removes the need for manual chart analysis by automatically fetching price data, calculating indicators, and generating clear Buy, Sell, or Neutral signals. The workflow is designed to run daily and provides a consistent technical snapshot for each tracked stock. It is suitable for traders and analysts who want a repeatable and transparent way to monitor technical conditions without relying on manual tools.

⚙️ What This Template Does

  • Runs automatically on a daily schedule
  • Processes a predefined list of stock symbols
  • Fetches recent daily price data from a market data API
  • Calculates RSI, Moving Averages, and MACD
  • Applies rule-based logic to generate Buy, Sell, or Neutral signals
  • Stores indicator values and signals in Google Sheets

✅ Key Benefits

  • Eliminates manual technical analysis
  • Uses standard, widely accepted indicators
  • Produces clear and easy-to-interpret signals
  • Keeps all results in a single dashboard
  • Easy to customize and extend

🧩 Features

  • Daily scheduled execution
  • Historical price data integration
  • RSI (14-period) calculation
  • Moving Averages (SMA 20 and SMA 50)
  • MACD (12, 26, 9) calculation
  • Rule-based Buy / Sell / Neutral classification
  • Google Sheets dashboard output
  • Built-in data validation checks

🔐 Requirements

  • To use this workflow, you will need:
  • A market data API key (Alpha Vantage or similar)
  • A Google Sheets account for storing results
  • Google Sheets credentials configured in n8n
  • An active n8n instance (cloud or self-hosted)

🎯 Target Audience

  • Stock traders and investors
  • Technical analysts
  • Finance and research teams
  • Automation builders working with market data

🛠 Customization Options

  • Update the stock list to track different symbols
  • Adjust indicator periods or thresholds
  • Modify Buy / Sell signal rules
  • Change the schedule frequency
  • Extend the dashboard with additional indicators

Generate Daily Stock Buy/Sell Signals Using Technical Indicators and Google Sheets

This n8n workflow automates the process of generating daily stock buy/sell signals based on technical indicators, storing the data in Google Sheets, and sending email notifications for errors.

What it does

This workflow performs the following key steps:

  1. Triggers Daily: Initiates execution on a predefined schedule (e.g., daily).
  2. Fetches Stock Data: Makes an HTTP request to an external API (presumably for stock data and technical indicators).
  3. Processes Stock Data: Uses a Code node to process and transform the fetched stock data.
  4. Loops Through Items: Iterates over each stock item to apply further logic.
  5. Conditional Logic: Evaluates conditions (likely for buy/sell signals) using an If node.
  6. Updates Google Sheets: For items that meet the conditions, it writes or updates data in a Google Sheet.
  7. Error Handling: If any part of the main workflow fails, an "Error Trigger" initiates a separate error handling process.
  8. Sends Error Notifications: Upon an error, a Gmail node sends an email notification.

Prerequisites/Requirements

To use this workflow, you will need:

  • n8n Instance: A running instance of n8n.
  • Google Sheets Account: For storing and retrieving stock data. You'll need to set up Google Sheets credentials in n8n.
  • Gmail Account: For sending error notifications. You'll need to set up Gmail credentials in n8n.
  • External API for Stock Data: An API endpoint that provides stock data and/or technical indicators (configured within the HTTP Request node).

Setup/Usage

  1. Import the Workflow: Import the provided JSON into your n8n instance.
  2. Configure Credentials:
    • Set up your Google Sheets credentials.
    • Set up your Gmail credentials.
  3. Configure Schedule Trigger: Adjust the "Schedule Trigger" node to your desired execution frequency (e.g., daily at a specific time).
  4. Configure HTTP Request:
    • Update the URL in the "HTTP Request" node to point to your chosen stock data API.
    • Configure any necessary headers, authentication, or query parameters for the API.
  5. Configure Code Node: Review and modify the JavaScript code in the "Code" node to match the structure of your API response and the desired data processing logic.
  6. Configure If Node: Adjust the conditions in the "If" node to define your buy/sell signal logic based on the processed data.
  7. Configure Google Sheets Node:
    • Specify the Spreadsheet ID and Sheet Name where your stock data will be stored.
    • Ensure the operation (e.g., "Append Row", "Update Row") and values match the data being sent from the preceding nodes.
  8. Configure Gmail Node (Error Workflow):
    • Set the recipient email address for error notifications.
    • Customize the subject and body of the error email as needed.
  9. Activate the Workflow: Once configured, activate the workflow to enable scheduled execution.

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