재무 오버레이

샘플은 볼린저 밴드(Bollinger bands) 및 포락선(envelopes)을 보여 줍니다.

오버레이는 기술 indicator와 마찬가지로 하나 이상의 수식을 원본 데이터 집합에 적용하여 계산된 파생 데이터 집합입니다. 일반적으로 오버레이는 자산의 시장 방향을 예측하는 데 사용되며, Y축 눈금이 같기 때문에 보통 원본 데이터 집합과 함께 그려집니다.

import 'bootstrap.css'; import '@grapecity/wijmo.styles/wijmo.css'; import './styles.css'; import * as input from '@grapecity/wijmo.input'; import * as chart from '@grapecity/wijmo.chart'; import * as fChart from '@grapecity/wijmo.chart.finance'; import * as fChartAnalytics from '@grapecity/wijmo.chart.finance.analytics'; import { getData, getOverlays } from './data'; // document.readyState === 'complete' ? init() : window.onload = init; // function init() { let data = getData(); // create the chart let theChart = new fChart.FinancialChart('#theChart', { itemsSource: data, bindingX: 'date', series: [{ binding: 'high,low,open,close', chartType: fChart.FinancialChartType.Candlestick, name: 'Box Inc' }], legend: { position: 'Bottom' }, tooltip: { content: '<b>Date:{date:MMM dd}</b><br/>' + '<table>' + '<tr><td>high</td><td>{high:c}</td><tr/>' + '<tr><td>low</td><td>{low:c}</td><tr/>' + '<tr><td>open</td><td>{open:c}</td><tr/>' + '<tr><td>close</td><td>{close:c}</td><tr/>' + '</table>' } }); theChart.beginUpdate(); let s = theChart.series; //bollinger bands let bollingerBands = new fChartAnalytics.BollingerBands({ binding: 'close', name: 'Bollinger Bands', period: 20, multiplier: 2 }); s.push(bollingerBands); //envelope let envelopes = new fChartAnalytics.Envelopes({ binding: 'close', name: 'Envelopes', period: 20, type: 'Simple', size: 0.03, visibility: 'Hidden' }); s.push(envelopes); theChart.endUpdate(); //indicators selector let overlays = getOverlays(); let overlay = new input.ComboBox('#overlay', { itemsSource: overlays, selectedValuePath: 'abbreviation', displayMemberPath: 'name', selectedIndexChanged: reset }); reset(overlay); function reset(combo) { let idx = combo.selectedIndex; if (idx === 0) { s[1].visibility = chart.SeriesVisibility.Visible; s[2].visibility = chart.SeriesVisibility.Hidden; document.querySelector('.ul-bollinger').style.display = ''; document.querySelector('.ul-envelope').style.display = 'none'; } else { s[1].visibility = chart.SeriesVisibility.Hidden; s[2].visibility = chart.SeriesVisibility.Visible; document.querySelector('.ul-bollinger').style.display = 'none'; document.querySelector('.ul-envelope').style.display = ''; } } //bollinger bands properties let inputBollingerPeriod = new input.InputNumber('#bollingerPeriod', { value: 20, min: 2, max: data.length > 0 ? data.length - 1 : 20, step: 1, format: 'n0', valueChanged: s => { if (s == null || s.value < s.min || s.value > s.max) { return; } bollingerBands.period = s.value; } }); let inputBollingerMultiplier = new input.InputNumber('#bollingerMultiplier', { value: 2, min: 1, max: 100, step: 1, format: 'n0', valueChanged: s => { if (s == null || s.value < s.min || s.value > s.max) { return; } bollingerBands.multiplier = s.value; } }); //envelope properties let inputEnvelopePeriod = new input.InputNumber('#envelopePeriod', { value: 20, min: 2, max: data.length > 0 ? data.length - 1 : 20, step: 1, format: 'n0', valueChanged: s => { if (s == null || s.value < s.min || s.value > s.max) { return; } envelopes.period = s.value; } }); let inputEnvelopeSize = new input.InputNumber('#envelopeSize', { value: 0.03, min: 0, max: 1, step: 0.01, format: 'p0', valueChanged: s => { if (s == null || s.value < s.min || s.value > s.max) { return; } envelopes.size = s.value; } }); let menuEnvelopeType = new input.Menu('#envelopeType', { selectedValue: 'Simple', itemClicked: function (sender) { envelopes.type = sender.selectedValue; updateMenuHeader(menuEnvelopeType, 'Type'); } }); updateMenuHeader(menuEnvelopeType, 'Type'); } // // show menu header and current value function updateMenuHeader(menu, header) { menu.header = header ? header + ': <b>' + menu.text + '</b>' : menu.text; }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS Wijmo FlexChart Financial Overlays</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <script src="node_modules/systemjs/dist/system.src.js"></script> <script src="systemjs.config.js"></script> <script> System.import('./src/app'); </script> </head> <body> <div class="container-fluid"> <!-- Settings --> <div class="panel-group" id="settingsShort"> <div class="panel panel-default"> <div id="settingsBody" class="panel-collapse collapse in"> <div class="panel-body"> <!-- Overlay Selector --> <ul class="list-inline ul-overlay"> <li> <label>Overlay</label> <input id="overlay" /> </li> </ul> <!-- Bollinger Bands Properties--> <ul class="list-inline ul-bollinger"> <li> <label>Period</label> <input id="bollingerPeriod" /> </li> <li> <label>Multiplier</label> <input id="bollingerMultiplier" /> </li> </ul> <!-- Envelope Properties --> <ul class="list-inline ul-envelope"> <li> <label>Period</label> <input id="envelopePeriod" /> </li> <li> <label>Size</label> <input id="envelopeSize" /> </li> <li> <select id="envelopeType"> <option value="Simple">Simple</option> <option value="Exponential">Exponential</option> </select> </li> </ul> </div> </div> </div> </div> <div id="theChart"></div> </div> </body> </html>
// some stock data from Google Finance export function getOverlays() { return [ { name: 'Bollinger Bands', abbreviation: 'bollinger' }, { name: 'Envelopes', abbreviation: 'envelopes' } ]; } export function getData() { return [ { "date": "01/23/15", "open": 20.2, "high": 24.73, "low": 20.16, "close": 23.23, "volume": 42593223 }, { "date": "01/26/15", "open": 23.67, "high": 24.39, "low": 22.5, "close": 22.6, "volume": 8677164 }, { "date": "01/27/15", "open": 22, "high": 22.47, "low": 21.17, "close": 21.3, "volume": 3272512 }, { "date": "01/28/15", "open": 21.62, "high": 21.84, "low": 19.6, "close": 19.78, "volume": 5047364 }, { "date": "01/29/15", "open": 19.9, "high": 19.95, "low": 18.51, "close": 18.8, "volume": 3419482 }, { "date": "01/30/15", "open": 18.47, "high": 19.48, "low": 18.22, "close": 18.81, "volume": 2266439 }, { "date": "02/02/15", "open": 19.18, "high": 19.3, "low": 18.01, "close": 18.02, "volume": 2071168 }, { "date": "02/03/15", "open": 18.22, "high": 18.64, "low": 18.12, "close": 18.24, "volume": 1587435 }, { "date": "02/04/15", "open": 18.2, "high": 18.35, "low": 17, "close": 17.1, "volume": 2912224 }, { "date": "02/05/15", "open": 17.3, "high": 17.31, "low": 16.41, "close": 16.66, "volume": 2682187 }, { "date": "02/06/15", "open": 17.39, "high": 18.88, "low": 17.21, "close": 18.12, "volume": 3929164 }, { "date": "02/09/15", "open": 18.86, "high": 19.95, "low": 18.45, "close": 19.6, "volume": 3226650 }, { "date": "02/10/15", "open": 20.5, "high": 21, "low": 19.63, "close": 20.99, "volume": 2804409 }, { "date": "02/11/15", "open": 20.89, "high": 21, "low": 20.2, "close": 20.96, "volume": 1698365 }, { "date": "02/12/15", "open": 20.66, "high": 20.85, "low": 19.75, "close": 20.17, "volume": 1370320 }, { "date": "02/13/15", "open": 20.19, "high": 20.68, "low": 20, "close": 20.18, "volume": 711951 }, { "date": "02/17/15", "open": 19.5, "high": 20.1, "low": 18.8, "close": 19.05, "volume": 2093602 }, { "date": "02/18/15", "open": 18.31, "high": 18.5, "low": 17.96, "close": 18, "volume": 1849490 }, { "date": "02/19/15", "open": 18.33, "high": 19.25, "low": 17.91, "close": 18.96, "volume": 1311518 }, { "date": "02/20/15", "open": 18.68, "high": 19.3, "low": 18.65, "close": 18.85, "volume": 1001692 }, { "date": "02/23/15", "open": 18.8, "high": 18.89, "low": 18.11, "close": 18.21, "volume": 670087 }, { "date": "02/24/15", "open": 18.46, "high": 19, "low": 18.27, "close": 18.83, "volume": 759263 }, { "date": "02/25/15", "open": 18.83, "high": 19.48, "low": 18.47, "close": 18.67, "volume": 915580 }, { "date": "02/26/15", "open": 18.64, "high": 19.2, "low": 18.64, "close": 18.94, "volume": 461283 }, { "date": "02/27/15", "open": 18.8, "high": 19.12, "low": 18.55, "close": 18.66, "volume": 617199 }, { "date": "03/02/15", "open": 18.66, "high": 19.09, "low": 18.65, "close": 18.79, "volume": 519605 }, { "date": "03/03/15", "open": 18.79, "high": 19.21, "low": 18.45, "close": 18.59, "volume": 832415 }, { "date": "03/04/15", "open": 18.64, "high": 19.05, "low": 18.32, "close": 19, "volume": 539688 }, { "date": "03/05/15", "open": 19.2, "high": 19.2, "low": 18.8, "close": 19.14, "volume": 486149 }, { "date": "03/06/15", "open": 19.03, "high": 19.1, "low": 18.7, "close": 18.91, "volume": 685659 }, { "date": "03/09/15", "open": 18.98, "high": 20.15, "low": 18.96, "close": 19.4, "volume": 1321363 }, { "date": "03/10/15", "open": 19.3, "high": 19.8, "low": 18.85, "close": 19.64, "volume": 615743 }, { "date": "03/11/15", "open": 20.08, "high": 20.65, "low": 19.24, "close": 20.53, "volume": 2167167 }, { "date": "03/12/15", "open": 17.17, "high": 18.2, "low": 16.76, "close": 18.2, "volume": 6837638 }, { "date": "03/13/15", "open": 18.05, "high": 18.05, "low": 17.3, "close": 17.88, "volume": 1715629 }, { "date": "03/16/15", "open": 17.91, "high": 18, "low": 17.01, "close": 17.13, "volume": 1321313 }, { "date": "03/17/15", "open": 17.28, "high": 17.37, "low": 16.6, "close": 17.12, "volume": 1272242 }, { "date": "03/18/15", "open": 17.1, "high": 17.27, "low": 16.91, "close": 17.01, "volume": 530063 }, { "date": "03/19/15", "open": 17, "high": 17.28, "low": 17, "close": 17.06, "volume": 536427 }, { "date": "03/20/15", "open": 17.13, "high": 17.24, "low": 16.88, "close": 17.21, "volume": 1320237 }, { "date": "03/23/15", "open": 17.21, "high": 17.23, "low": 17.01, "close": 17.11, "volume": 509798 }, { "date": "03/24/15", "open": 17.02, "high": 17.18, "low": 16.82, "close": 17, "volume": 962149 }, { "date": "03/25/15", "open": 16.92, "high": 16.99, "low": 16.82, "close": 16.97, "volume": 565673 }, { "date": "03/26/15", "open": 16.83, "high": 17.56, "low": 16.83, "close": 17.54, "volume": 884523 }, { "date": "03/27/15", "open": 17.58, "high": 18.3, "low": 17.11, "close": 18.3, "volume": 705626 }, { "date": "03/30/15", "open": 18.5, "high": 19.4, "low": 18.4, "close": 19.05, "volume": 1151620 }, { "date": "03/31/15", "open": 19.08, "high": 20.58, "low": 18.4, "close": 19.75, "volume": 2020679 }, { "date": "04/01/15", "open": 19.69, "high": 19.69, "low": 18.55, "close": 18.65, "volume": 961078 }, { "date": "04/02/15", "open": 18.56, "high": 18.66, "low": 17.85, "close": 17.9, "volume": 884233 }, { "date": "04/06/15", "open": 17.78, "high": 17.94, "low": 17.51, "close": 17.66, "volume": 605252 }, { "date": "04/07/15", "open": 17.62, "high": 17.9, "low": 17.53, "close": 17.61, "volume": 591988 }, { "date": "04/08/15", "open": 17.64, "high": 17.85, "low": 17.32, "close": 17.36, "volume": 618855 }, { "date": "04/09/15", "open": 17.33, "high": 17.54, "low": 17.1, "close": 17.1, "volume": 761855 }, { "date": "04/10/15", "open": 17.08, "high": 17.36, "low": 17, "close": 17.05, "volume": 568373 }, { "date": "04/13/15", "open": 17.24, "high": 17.26, "low": 16.81, "close": 17.1, "volume": 667142 }, { "date": "04/14/15", "open": 17.1, "high": 17.89, "low": 17.02, "close": 17.52, "volume": 870138 }, { "date": "04/15/15", "open": 17.6, "high": 17.99, "low": 17.5, "close": 17.69, "volume": 530456 }, { "date": "04/16/15", "open": 17.95, "high": 18, "low": 17.6, "close": 17.82, "volume": 548730 }, { "date": "04/17/15", "open": 17.75, "high": 17.79, "low": 17.5, "close": 17.79, "volume": 446373 }, { "date": "04/20/15", "open": 17.63, "high": 17.98, "low": 17.52, "close": 17.93, "volume": 487017 }, { "date": "04/21/15", "open": 17.96, "high": 17.98, "low": 17.71, "close": 17.92, "volume": 320302 }, { "date": "04/22/15", "open": 17.88, "high": 18.33, "low": 17.57, "close": 18.29, "volume": 644812 }, { "date": "04/23/15", "open": 18.29, "high": 18.61, "low": 18.18, "close": 18.28, "volume": 563879 }, { "date": "04/24/15", "open": 18.5, "high": 18.5, "low": 17.61, "close": 17.75, "volume": 650762 }, { "date": "04/27/15", "open": 17.97, "high": 18.05, "low": 17.45, "close": 17.57, "volume": 437294 }, { "date": "04/28/15", "open": 17.65, "high": 17.79, "low": 17.39, "close": 17.5, "volume": 224519 }, { "date": "04/29/15", "open": 17.68, "high": 17.68, "low": 17.1, "close": 17.21, "volume": 495706 }, { "date": "04/30/15", "open": 17.22, "high": 17.3, "low": 17, "close": 17.11, "volume": 391040 }, { "date": "05/01/15", "open": 17.11, "high": 17.55, "low": 16.85, "close": 17.5, "volume": 563075 }, { "date": "05/04/15", "open": 17.56, "high": 17.85, "low": 17.3, "close": 17.4, "volume": 253138 }, { "date": "05/05/15", "open": 17.68, "high": 17.68, "low": 17.09, "close": 17.43, "volume": 290935 }, { "date": "05/06/15", "open": 17.48, "high": 17.48, "low": 17, "close": 17.04, "volume": 313662 }, { "date": "05/07/15", "open": 17.05, "high": 17.19, "low": 16.92, "close": 17.04, "volume": 360284 }, { "date": "05/08/15", "open": 17.13, "high": 17.21, "low": 16.91, "close": 17.1, "volume": 297653 }, { "date": "05/11/15", "open": 17.16, "high": 17.44, "low": 17.13, "close": 17.31, "volume": 268504 }, { "date": "05/12/15", "open": 17.28, "high": 17.44, "low": 16.99, "close": 17.24, "volume": 376961 }, { "date": "05/13/15", "open": 17.24, "high": 17.3, "low": 17.06, "close": 17.2, "volume": 244617 }, { "date": "05/14/15", "open": 17.24, "high": 17.25, "low": 17.02, "close": 17.08, "volume": 252526 }, { "date": "05/15/15", "open": 17.06, "high": 17.16, "low": 16.95, "close": 16.95, "volume": 274783 }, { "date": "05/18/15", "open": 16.95, "high": 17.01, "low": 16.76, "close": 16.87, "volume": 418513 }, { "date": "05/19/15", "open": 16.93, "high": 16.94, "low": 16.6, "close": 16.83, "volume": 367660 }, { "date": "05/20/15", "open": 16.8, "high": 16.9, "low": 16.65, "close": 16.86, "volume": 297914 }, { "date": "05/21/15", "open": 16.9, "high": 17.08, "low": 16.79, "close": 16.88, "volume": 229346 }, { "date": "05/22/15", "open": 16.9, "high": 17.05, "low": 16.85, "close": 17, "volume": 253279 }, { "date": "05/26/15", "open": 17.03, "high": 17.08, "low": 16.86, "close": 17.01, "volume": 212640 }, { "date": "05/27/15", "open": 17.01, "high": 17.99, "low": 16.87, "close": 17.75, "volume": 857109 }, { "date": "05/28/15", "open": 17.77, "high": 17.77, "low": 17.44, "close": 17.62, "volume": 338482 } ]; }
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