} // the event marker flags }, { type: 'flags', color: '#fb922c', onSeries: 'dataseries', shape: 'squarepin', showInNavigator: true, navigatorOptions: { type: 'flags', onSeries: undefined, data: [{ x: '2016-07-09', title: '2nd' }, { x: '2020-05-11', title: '3rd' }] }, accessibility: { exposeAsGroupOnly: true, description: 'Bitcoin Halving Events' }, data: [{ x: '2016-07-09', title: '2nd Halving', text: 'Reward down: 25 BTC to 12.5 BTC per block' }, { x: '2020-05-11', title: '3rd Halving', text: 'Reward down: 12.5 BTC to 6.25 BTC per block' }] }, { type: 'flags', color: '#fb922c', shape: 'squarepin', showInNavigator: true, navigatorOptions: { type: 'flags', data: [{ x: '2024-04-19', title: '4th' }] }, accessibility: { exposeAsGroupOnly: true, description: 'Bitcoin Halving Events' }, data: [{ x: '2024-04-19', title: '4th Halving', text: 'Reward down: 6.25 BTC to 3.125 BTC per block' }] }] }); })();