Stock/forex candle chart using canvas api

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Description

Hello,

J'ai créé une class javascript permettant de générer un graph de type Japanese Candlestick à la volée, avec possibilité d'ajouter des indicateurs.

C'est une version basique mais fonctionnelle, qui permet deja de faire des analyses de marché grace à la possibilité d'ajouter des indicateurs.

La class analyses les données au format CSV, tel qu'exportées par une plateforme de type MetaTrader.

Source / Exemple : 


var candles = new jscandles();
candles.init($('graph1'), {
	design: {
		width:600,
		height:300,
		bg:'0,0,0',
		bull:'0,200,0',
		bear:'255,255,255'
	}
});

initCandles($('datainput').value);

candles.addIndicator("MA2", MA, [5,'line','0,255,0',2]);
candles.addIndicator("MA3", MA, [15,'points','0,120,0',2]);
candles.addIndicator("mmbands", mmbands, [10,'line','255,255,255',1]);

candles.applyIndicators();

function initCandles(rawData) {
	candles.setData(candles.parseData(rawData));
	candles.drawCandles(0,$('candleNumber').value);
}

Exemple de donnée (pair EUR/USD exportées dans un fichier CSV  par MetaTrader):
2009.11.30,06:00,1.50622,1.50830,1.50612,1.50651,1743
2009.11.30,07:00,1.50654,1.50776,1.50289,1.50501,3086
2009.11.30,08:00,1.50498,1.50729,1.50445,1.50449,1960
2009.11.30,09:00,1.50448,1.50699,1.50445,1.50633,2633
2009.11.30,10:00,1.50631,1.50631,1.50208,1.50408,3444
2009.11.30,11:00,1.50407,1.50529,1.50338,1.50414,2524
2009.11.30,12:00,1.50411,1.50573,1.50270,1.50552,2658
2009.11.30,13:00,1.50550,1.50647,1.50238,1.50319,2936
2009.11.30,14:00,1.50323,1.50356,1.50128,1.50290,2466
2009.11.30,15:00,1.50287,1.50404,1.50128,1.50161,3052
2009.11.30,16:00,1.50163,1.50228,1.49964,1.50195,4107
2009.11.30,17:00,1.50196,1.50464,1.50043,1.50128,3634
2009.11.30,18:00,1.50129,1.50150,1.49770,1.49926,3872
2009.11.30,19:00,1.49925,1.50039,1.49728,1.49749,2370
2009.11.30,20:00,1.49750,1.50074,1.49749,1.50018,2059
2009.11.30,21:00,1.50016,1.50030,1.49838,1.49916,1815
2009.11.30,22:00,1.49918,1.50228,1.49907,1.50140,2049
2009.11.30,23:00,1.50138,1.50142,1.50039,1.50039,996
2009.12.01,00:00,1.50041,1.50104,1.49996,1.50076,1048
2009.12.01,01:00,1.50075,1.50394,1.50028,1.50346,1291
2009.12.01,02:00,1.50345,1.50351,1.50091,1.50099,1509
2009.12.01,03:00,1.50098,1.50234,1.50078,1.50162,1366
2009.12.01,04:00,1.50163,1.50197,1.50030,1.50147,1656
2009.12.01,05:00,1.50148,1.50250,1.50021,1.50147,2120
2009.12.01,06:00,1.50146,1.50180,1.50015,1.50101,1420
2009.12.01,07:00,1.50104,1.50112,1.49712,1.50003,2200
2009.12.01,08:00,1.50002,1.50193,1.49891,1.50186,2195
2009.12.01,09:00,1.50194,1.50386,1.50194,1.50272,2706
2009.12.01,10:00,1.50275,1.50677,1.50273,1.50677,2973
2009.12.01,11:00,1.50676,1.50744,1.50578,1.50611,2580
2009.12.01,12:00,1.50612,1.50809,1.50591,1.50752,2241
2009.12.01,13:00,1.50751,1.50794,1.50609,1.50644,1794
2009.12.01,14:00,1.50642,1.50736,1.50602,1.50608,2020
2009.12.01,15:00,1.50609,1.50952,1.50592,1.50767,3002
2009.12.01,16:00,1.50769,1.51013,1.50722,1.50837,3485
2009.12.01,17:00,1.50834,1.51012,1.50743,1.50925,3787
2009.12.01,18:00,1.50923,1.51164,1.50891,1.51019,2963
2009.12.01,19:00,1.51008,1.51128,1.50930,1.50932,1271
2009.12.01,20:00,1.50931,1.51143,1.50926,1.51090,1513
2009.12.01,21:00,1.51093,1.51106,1.50911,1.50945,1684
2009.12.01,22:00,1.50946,1.50948,1.50754,1.50841,1712
2009.12.01,23:00,1.50840,1.50903,1.50807,1.50812,1299
2009.12.02,00:00,1.50817,1.50848,1.50746,1.50760,955
2009.12.02,01:00,1.50757,1.50905,1.50757,1.50892,841
2009.12.02,02:00,1.50890,1.50953,1.50802,1.50890,1311
2009.12.02,03:00,1.50891,1.50915,1.50744,1.50799,1345
2009.12.02,04:00,1.50798,1.50943,1.50791,1.50850,1306
2009.12.02,05:00,1.50849,1.51017,1.50846,1.50896,1266
2009.12.02,06:00,1.50897,1.50923,1.50834,1.50912,917
2009.12.02,07:00,1.50911,1.51001,1.50810,1.50899,1060
2009.12.02,08:00,1.50892,1.50985,1.50823,1.50860,1683
2009.12.02,09:00,1.50859,1.50905,1.50647,1.50861,2775
2009.12.02,10:00,1.50863,1.51089,1.50819,1.50949,2698
2009.12.02,11:00,1.50947,1.51033,1.50845,1.50994,2103
2009.12.02,12:00,1.50998,1.51088,1.50900,1.51020,2200
2009.12.02,13:00,1.51021,1.51048,1.50820,1.50851,2017
2009.12.02,14:00,1.50850,1.50907,1.50806,1.50897,1626
2009.12.02,15:00,1.50899,1.50946,1.50687,1.50746,2551
2009.12.02,16:00,1.50749,1.50856,1.50618,1.50737,3371
2009.12.02,17:00,1.50736,1.50929,1.50705,1.50758,3418
2009.12.02,18:00,1.50757,1.50760,1.50412,1.50580,3515
2009.12.02,19:00,1.50581,1.50679,1.50320,1.50426,2715
2009.12.02,20:00,1.50430,1.50492,1.50347,1.50463,1560
2009.12.02,21:00,1.50465,1.50492,1.50343,1.50355,2062
2009.12.02,22:00,1.50354,1.50461,1.50346,1.50458,1359
2009.12.02,23:00,1.50454,1.50466,1.50417,1.50433,1008
2009.12.03,00:00,1.50431,1.50497,1.50425,1.50470,803
2009.12.03,01:00,1.50473,1.50739,1.50473,1.50666,1377
2009.12.03,02:00,1.50660,1.50824,1.50632,1.50773,1742
2009.12.03,03:00,1.50776,1.50874,1.50773,1.50785,1340
2009.12.03,04:00,1.50784,1.50937,1.50769,1.50874,1071
2009.12.03,05:00,1.50873,1.50951,1.50869,1.50923,1144
2009.12.03,06:00,1.50923,1.50927,1.50842,1.50866,920
2009.12.03,07:00,1.50867,1.50887,1.50784,1.50787,1264
2009.12.03,08:00,1.50788,1.51114,1.50759,1.51064,1694
2009.12.03,09:00,1.51063,1.51269,1.51023,1.51150,2737
2009.12.03,10:00,1.51152,1.51201,1.51059,1.51091,2397
2009.12.03,11:00,1.51093,1.51174,1.51020,1.51164,2241
2009.12.03,12:00,1.51163,1.51327,1.51140,1.51217,2168
2009.12.03,13:00,1.51212,1.51300,1.51192,1.51222,1871
2009.12.03,14:00,1.51223,1.51268,1.51124,1.51260,1847
2009.12.03,15:00,1.51262,1.51399,1.50826,1.50887,3909
2009.12.03,16:00,1.50888,1.51066,1.50635,1.50772,4379
2009.12.03,17:00,1.50771,1.50890,1.50611,1.50866,3533
2009.12.03,18:00,1.50867,1.51008,1.50770,1.50806,2893
2009.12.03,19:00,1.50801,1.50842,1.50753,1.50833,1845
2009.12.03,20:00,1.50833,1.50959,1.50752,1.50912,1604
2009.12.03,21:00,1.50911,1.50963,1.50849,1.50896,1330
2009.12.03,22:00,1.50897,1.50949,1.50711,1.50731,1548
2009.12.03,23:00,1.50732,1.50745,1.50449,1.50522,1755
2009.12.04,00:00,1.50523,1.50605,1.50371,1.50532,1365
2009.12.04,01:00,1.50529,1.50665,1.50512,1.50622,1049
2009.12.04,02:00,1.50621,1.50637,1.50483,1.50520,1718
2009.12.04,03:00,1.50521,1.50621,1.50455,1.50571,1634
2009.12.04,04:00,1.50572,1.50632,1.50542,1.50617,883
2009.12.04,05:00,1.50616,1.50653,1.50561,1.50588,814
2009.12.04,06:00,1.50589,1.50596,1.50520,1.50577,836
2009.12.04,07:00,1.50575,1.50595,1.50451,1.50497,1075
2009.12.04,08:00,1.50496,1.50716,1.50448,1.50672,1446
2009.12.04,09:00,1.50674,1.50890,1.50659,1.50834,2172
2009.12.04,10:00,1.50833,1.50835,1.50604,1.50653,2290
2009.12.04,11:00,1.50654,1.50724,1.50569,1.50652,1631
2009.12.04,12:00,1.50651,1.50672,1.50562,1.50592,1563
2009.12.04,13:00,1.50590,1.50666,1.50583,1.50601,1504
2009.12.04,14:00,1.50600,1.50753,1.50599,1.50687,1625
2009.12.04,15:00,1.50685,1.50750,1.49268,1.49416,4033
2009.12.04,16:00,1.49412,1.49623,1.49104,1.49474,4791
2009.12.04,17:00,1.49470,1.49493,1.48854,1.48868,4399
2009.12.04,18:00,1.48866,1.49023,1.48684,1.48818,4189
2009.12.04,19:00,1.48815,1.48938,1.48762,1.48866,2800
2009.12.04,20:00,1.48865,1.48877,1.48310,1.48343,2818
2009.12.04,21:00,1.48344,1.48433,1.48198,1.48234,2679
2009.12.04,22:00,1.48233,1.48481,1.48228,1.48426,2144
2009.12.04,23:00,1.48423,1.48581,1.48423,1.48560,1389

Conclusion :


Si vous êtes un trader, stock ou forex, cela vous permettra de coder vos indicateurs en javascript
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