[{"date":"2013-12-02","es":0.1267,"price":9.61,"scaled_es":9.96},
{"date":"2013-11-25","es":-0.0352,"price":9.24,"scaled_es":8.55},
{"date":"2013-11-18","es":-0.0327,"price":9.03,"scaled_es":8.58},
{"date":"2013-11-11","es":-0.0375,"price":9.06,"scaled_es":8.53},
{"date":"2013-11-04","es":-0.0339,"price":9.27,"scaled_es":8.56},
{"date":"2013-10-28","es":-0.2334,"price":9.24,"scaled_es":6.83},
{"date":"2013-10-21","es":-0.2450,"price":8.63,"scaled_es":6.73},
{"date":"2013-10-14","es":-0.2168,"price":8.32,"scaled_es":6.97},
{"date":"2013-10-07","es":-0.2933,"price":7.96,"scaled_es":6.30},
{"date":"2013-09-30","es":-0.0987,"price":8.20,"scaled_es":8.00},
{"date":"2013-09-23","es":-0.0588,"price":8.29,"scaled_es":8.35},
{"date":"2013-09-16","es":-0.0956,"price":8.08,"scaled_es":8.03},
{"date":"2013-09-09","es":-0.1440,"price":7.92,"scaled_es":7.61},
{"date":"2013-09-02","es":-0.2167,"price":7.70,"scaled_es":6.97},
{"date":"2013-08-26","es":-0.1411,"price":8.05,"scaled_es":7.63},
{"date":"2013-08-19","es":-0.1414,"price":8.12,"scaled_es":7.63},
{"date":"2013-08-12","es":-0.1153,"price":8.22,"scaled_es":7.86},
{"date":"2013-08-05","es":-0.2914,"price":7.97,"scaled_es":6.32},
{"date":"2013-07-29","es":-0.3354,"price":8.07,"scaled_es":5.94},
{"date":"2013-07-22","es":-0.3751,"price":8.07,"scaled_es":5.59},
{"date":"2013-07-15","es":-0.3800,"price":8.10,"scaled_es":5.55},
{"date":"2013-07-08","es":-0.1792,"price":7.81,"scaled_es":7.30},
{"date":"2013-07-01","es":-0.1496,"price":7.82,"scaled_es":7.56},
{"date":"2013-06-24","es":-0.0926,"price":7.98,"scaled_es":8.05},
{"date":"2013-06-17","es":-0.1022,"price":8.12,"scaled_es":7.97},
{"date":"2013-06-10","es":-0.1022,"price":8.33,"scaled_es":7.97},
{"date":"2013-06-03","es":-0.0661,"price":8.50,"scaled_es":8.28},
{"date":"2013-05-27","es":-0.0831,"price":8.48,"scaled_es":8.14},
{"date":"2013-05-20","es":-0.1401,"price":8.61,"scaled_es":7.64},
{"date":"2013-05-13","es":-0.1485,"price":8.70,"scaled_es":7.57},
{"date":"2013-05-06","es":-0.2506,"price":8.62,"scaled_es":6.68},
{"date":"2013-04-29","es":-0.2999,"price":8.27,"scaled_es":6.25},
{"date":"2013-04-22","es":-0.2808,"price":8.08,"scaled_es":6.41},
{"date":"2013-04-15","es":-0.2711,"price":8.22,"scaled_es":6.50},
{"date":"2013-04-08","es":-0.1395,"price":8.24,"scaled_es":7.64},
{"date":"2013-04-01","es":-0.0651,"price":8.52,"scaled_es":8.29},
{"date":"2013-03-25","es":-0.0134,"price":8.45,"scaled_es":8.74},
{"date":"2013-03-18","es":-0.0216,"price":8.63,"scaled_es":8.67},
{"date":"2013-03-11","es":-0.0031,"price":8.61,"scaled_es":8.83},
{"date":"2013-03-04","es":-0.0244,"price":8.44,"scaled_es":8.65},
{"date":"2013-02-25","es":-0.0267,"price":8.64,"scaled_es":8.63},
{"date":"2013-02-18","es":-0.0267,"price":9.32,"scaled_es":8.63},
{"date":"2013-02-11","es":-0.0254,"price":8.94,"scaled_es":8.64},
{"date":"2013-02-04","es":-0.0674,"price":9.00,"scaled_es":8.27},
{"date":"2013-01-28","es":-0.0329,"price":9.03,"scaled_es":8.57},
{"date":"2013-01-21","es":-0.0717,"price":9.00,"scaled_es":8.24},
{"date":"2013-01-14","es":-0.0513,"price":8.94,"scaled_es":8.41},
{"date":"2013-01-07","es":-0.0424,"price":9.26,"scaled_es":8.49},
{"date":"2012-12-31","es":-0.0663,"price":8.50,"scaled_es":8.28},
{"date":"2012-12-24","es":-0.0192,"price":8.57,"scaled_es":8.69},
{"date":"2012-12-17","es":-0.0620,"price":8.74,"scaled_es":8.32},
{"date":"2012-12-10","es":-0.0498,"price":8.50,"scaled_es":8.43},
{"date":"2012-12-03","es":0.0589,"price":8.41,"scaled_es":9.37},
{"date":"2012-11-26","es":-0.0191,"price":8.35,"scaled_es":8.69},
{"date":"2012-11-19","es":-0.0106,"price":8.18,"scaled_es":8.77},
{"date":"2012-11-12","es":-0.0498,"price":8.43,"scaled_es":8.43},
{"date":"2012-11-05","es":-0.1627,"price":8.65,"scaled_es":7.44},
{"date":"2012-10-29","es":-0.1207,"price":8.65,"scaled_es":7.81},
{"date":"2012-10-22","es":-0.1347,"price":9.01,"scaled_es":7.69},
{"date":"2012-10-15","es":-0.1552,"price":8.69,"scaled_es":7.51},
{"date":"2012-10-08","es":-0.0868,"price":9.09,"scaled_es":8.10},
{"date":"2012-10-01","es":-0.2360,"price":8.86,"scaled_es":6.80},
{"date":"2012-09-24","es":-0.2124,"price":9.13,"scaled_es":7.01},
{"date":"2012-09-17","es":-0.1630,"price":9.84,"scaled_es":7.44},
{"date":"2012-09-10","es":-0.1622,"price":9.10,"scaled_es":7.45},
{"date":"2012-09-03","es":-0.1095,"price":8.56,"scaled_es":7.91},
{"date":"2012-08-27","es":-0.1520,"price":8.63,"scaled_es":7.54},
{"date":"2012-08-20","es":-0.1520,"price":8.75,"scaled_es":7.54},
{"date":"2012-08-13","es":-0.2508,"price":8.98,"scaled_es":6.67},
{"date":"2012-08-06","es":-0.5440,"price":8.37,"scaled_es":4.12},
{"date":"2012-07-30","es":-0.5373,"price":8.45,"scaled_es":4.18},
{"date":"2012-07-23","es":-0.5839,"price":8.26,"scaled_es":3.77},
{"date":"2012-07-16","es":-0.5533,"price":8.42,"scaled_es":4.04},
{"date":"2012-07-09","es":-0.1921,"price":8.73,"scaled_es":7.19},
{"date":"2012-07-02","es":-0.2295,"price":8.75,"scaled_es":6.86},
{"date":"2012-06-25","es":-0.1120,"price":8.62,"scaled_es":7.88},
{"date":"2012-06-18","es":-0.0387,"price":8.82,"scaled_es":8.52},
{"date":"2012-06-11","es":-0.0369,"price":8.52,"scaled_es":8.54},
{"date":"2012-06-04","es":-0.0169,"price":8.30,"scaled_es":8.71},
{"date":"2012-05-28","es":-0.0163,"price":8.63,"scaled_es":8.72},
{"date":"2012-05-21","es":0.0077,"price":8.43,"scaled_es":8.93},
{"date":"2012-05-14","es":-0.0090,"price":9.06,"scaled_es":8.78},
{"date":"2012-05-07","es":-0.0283,"price":9.37,"scaled_es":8.61},
{"date":"2012-04-30","es":-0.0404,"price":9.75,"scaled_es":8.51},
{"date":"2012-04-23","es":-0.0825,"price":9.70,"scaled_es":8.14},
{"date":"2012-04-16","es":-0.0686,"price":9.85,"scaled_es":8.26},
{"date":"2012-04-09","es":-0.0609,"price":9.63,"scaled_es":8.33},
{"date":"2012-04-02","es":-0.1001,"price":10.02,"scaled_es":7.99},
{"date":"2012-03-26","es":-0.0461,"price":10.11,"scaled_es":8.46},
{"date":"2012-03-19","es":-0.0630,"price":10.54,"scaled_es":8.31},
{"date":"2012-03-12","es":-0.0382,"price":9.81,"scaled_es":8.53},
{"date":"2012-03-05","es":-0.0447,"price":10.24,"scaled_es":8.47},
{"date":"2012-02-27","es":-0.0988,"price":10.43,"scaled_es":8.00},
{"date":"2012-02-20","es":-0.1018,"price":10.15,"scaled_es":7.97},
{"date":"2012-02-13","es":-0.1504,"price":10.29,"scaled_es":7.55},
{"date":"2012-02-06","es":-0.8695,"price":10.76,"scaled_es":1.28},
{"date":"2012-01-30","es":-0.8504,"price":10.43,"scaled_es":1.45},
{"date":"2012-01-23","es":-0.8526,"price":10.17,"scaled_es":1.43},
{"date":"2012-01-16","es":-0.8347,"price":9.80,"scaled_es":1.59},
{"date":"2012-01-09","es":-0.4133,"price":9.16,"scaled_es":5.26},
{"date":"2012-01-02","es":-0.3365,"price":8.65,"scaled_es":5.93},
{"date":"2011-12-26","es":-0.2846,"price":8.86,"scaled_es":6.38},
{"date":"2011-12-19","es":-0.2380,"price":8.81,"scaled_es":6.79},
{"date":"2011-12-12","es":-0.1792,"price":9.64,"scaled_es":7.30},
{"date":"2011-12-05","es":-0.1181,"price":9.91,"scaled_es":7.83},
{"date":"2011-11-28","es":-0.2235,"price":8.95,"scaled_es":6.91},
{"date":"2011-11-21","es":-0.2187,"price":9.69,"scaled_es":6.95},
{"date":"2011-11-14","es":-0.2427,"price":10.60,"scaled_es":6.75},
{"date":"2011-11-07","es":-0.4375,"price":10.93,"scaled_es":5.05},
{"date":"2011-10-31","es":-0.4704,"price":11.57,"scaled_es":4.76},
{"date":"2011-10-24","es":-0.4713,"price":10.23,"scaled_es":4.75},
{"date":"2011-10-17","es":-0.4187,"price":10.26,"scaled_es":5.21},
{"date":"2011-10-10","es":-0.1448,"price":9.71,"scaled_es":7.60},
{"date":"2011-10-03","es":-0.0543,"price":9.57,"scaled_es":8.39},
{"date":"2011-09-26","es":-0.0832,"price":10.07,"scaled_es":8.13},
{"date":"2011-09-19","es":-0.0783,"price":11.97,"scaled_es":8.18},
{"date":"2011-09-12","es":-0.0790,"price":11.58,"scaled_es":8.17},
{"date":"2011-09-05","es":-0.0630,"price":12.04,"scaled_es":8.31},
{"date":"2011-08-29","es":-0.0402,"price":11.86,"scaled_es":8.51},
{"date":"2011-08-22","es":-0.0378,"price":11.21,"scaled_es":8.53},
{"date":"2011-08-15","es":-0.0324,"price":12.26,"scaled_es":8.58},
{"date":"2011-08-08","es":-0.0998,"price":12.79,"scaled_es":7.99},
{"date":"2011-08-01","es":-0.1145,"price":14.73,"scaled_es":7.86},
{"date":"2011-07-25","es":-0.1291,"price":15.83,"scaled_es":7.74},
{"date":"2011-07-18","es":-0.1326,"price":15.48,"scaled_es":7.70},
{"date":"2011-07-11","es":-0.0547,"price":16.38,"scaled_es":8.38},
{"date":"2011-07-04","es":-0.0285,"price":16.31,"scaled_es":8.61}]