JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.13.1/lodash.js"></script>

JavaScript

var searchedTickers = [
	{
		countryCode: 'GOOG',
    campaign: ''
	},
  {
  	countryCode: 'AMZN',
    campaign: ''
  }
]

var ticker = { countryCode: 'GOOG' }

var found = _.includes(searchedTickers, ticker);

console.log(found);