google-stocks-watch

Stock ticker to pull the latest stock data and calculate gain or loss based on the purchase. Based on google-stocks NPM

Install

$ npm install google-stocks-watch --save

API

GoogleStocksWatch(options, callback)

constructor to initialize Google Stocks Watch

options - options for the module
options.timerInterval - (optional) how often ticker callback will be executed (in milliseconds) (default 10000)
options.stocks - object containing initial stock purchase
stock.amount - amount of purchased stocks
stock.price - initial price
callback - function callback to be executed every timerInterval milliseconds. Has 2 arguments: error and data

start()

function to start time ticker

stop()

function to stop time ticker

stocks

property which contains initial stocks object

Usage

var GoogleStocksWatch = require('google-stocks-watch'),
    googleStocksWatch;
 
var config = {
  timerInterval: 8000, // milliseconds
  stocks: {
    'AAPL': {
      amount: '2',
      price: '130.10'
    },
    'GOOG': {
      amount: '10',
      price: '520.55'
    }
  }
};
 
googleStocksWatch = new GoogleStocksWatch(config, function(err, data) {
  console.log(data);
});
 
googleStocksWatch.start();

returned format looks like this:

/**
[ { code: 'AAPL',
    amount: '2',
    current_time: 'May 4, 4:47PM EDT',
    current_price: '128.77',
    current_total_price: '257.54',
    purchased_price: '130.10',
    purchased_total_price: '260.20',
    diff: '-2.66',
    percentage: '-1.02%' },
  { code: 'GOOG',
    amount: '10',
    current_time: 'May 4, 4:46PM EDT',
    current_price: '540.97',
    current_total_price: '5409.70',
    purchased_price: '520.55',
    purchased_total_price: '5205.50',
    diff: '204.20',
    percentage: '3.92%' } ]
**/

Example

npm run example

License

MIT license; see LICENSE.