backtester.py

import json
import time
import calendar
import matplotlib.pyplot as plt
import collections

TslaAskPrice = []
TslaVolume=[]
TslaFiftyDay=[]
TslaTwoHundredDay=[]

VTIAskPrice = []
VTIVolume=[]
VTIFiftyDay=[]
VTITwoHundredDay=[]

VIXAskPrice = []
VIXVolume=[]
VIXFiftyDay=[]
VIXTwoHundredDay=[]

stamps = []

with open("filed.json","r") as filed:

    for i in enumerate(filed):
	try:
        	data = json.loads(i[1])
	except ValueError:
		pass
        timeStamp = data["query"]["created"]
        timeStamp = calendar.timegm(time.strptime(timeStamp,"%Y-%m-%dT%H:%M:%SZ"))
        stamps.append(timeStamp)

        TslaAskPrice.append(float(data["query"]["results"]["quote"][0]["Ask"]))
        TslaVolume.append(float(data["query"]["results"]["quote"][0]["Volume"]))
        TslaFiftyDay.append(float(data["query"]["results"]["quote"][0]["FiftydayMovingAverage"]))
        VTITwoHundredDay.append(float(data["query"]["results"]["quote"][0]["TwoHundreddayMovingAverage"]))

#        VTIAskPrice.append(float(data["query"]["results"]["quote"][1]["Ask"]))
#        VTIVolume.append(float(data["query"]["results"]["quote"][1]["Volume"]))
#        VTIFiftyDay.append(float(data["query"]["results"]["quote"][1]["FiftydayMovingAverage"]))
#        VTIAskPrice.append(float(data["query"]["results"]["quote"][1]["TwoHundreddayMovingAverage"]))
#
#        VIXAskPrice.append(float(data["query"]["results"]["quote"][2]["Ask"]))
#        VIXVolume.append(float(data["query"]["results"]["quote"][2]["Volume"]))
#        VIXFiftyDay.append(float(data["query"]["results"]["quote"][2]["FiftydayMovingAverage"]))
#        VIXAskPrice.append(float(data["query"]["results"]["quote"][2]["TwoHundreddayMovingAverage"]))

plt.plot(stamps,TslaAskPrice)
plt.show()
plt.plot(stamps,TslaVolume)
plt.show()
plt.plot(stamps,TslaFiftyDay)
plt.show()
plt.plot(stamps,TwoHundredDay)
plt.show()