Edit in JSFiddle

class PriceApp extends React.Component {
  constructor(props) {
    super(props)
        this.state = {entries: []}
    const ref = this
    window.t.streams.prices.recent(10).then(data => ref.setState({entries: data}))
    window.t.streams.prices.subscribe(data => {
      const oldEntries = ref.state.entries
      ref.setState({entries: 
      	([data].concat(oldEntries)).slice(0,100)
       });
    });
  }
  
  render() {
    return (
    <div className="App">
        Please wait a couple of seconds ...
        <table id="transaction-table">
          <tbody>
          <tr><td>timestamp</td><td>token</td><td>price in USD</td></tr>
          {this.state.entries.map(entry => {
            return(<tr>
                <td>{entry.timestamp}</td>
                <td>{entry.token}</td>
                <td>{entry.price}</td>
              </tr>)
          })
          }
          </tbody>
        </table>
      </div>
    )
  }
}

ReactDOM.render(<PriceApp />, document.querySelector("#app"))
<script src="https://s3.amazonaws.com/cdn.tokenanalyst.io/sdk.latest.js"></script>
<script>
  window.t = new ta.TokenAnalyst();

</script>
<div id="app"></div>
body {
  background: #000;
  color: white;
  padding: 20px;
  font-family: 'Helvetica';
}

li {
  margin: 8px 0;
}

td {
  width: 10%;
}

h2 {
  font-weight: bold;
  margin-bottom: 15px;
}

.done {
  color: rgba(0, 0, 0, 0.3);
  text-decoration: line-through;
}

input {
  margin-right: 5px;
}