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ForexPred2.py
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ForexPred2.py
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# Keep in mind the bid/ask spread.
# all purchases would be made @ the ask.
# all sales made @ the bid.
import matplotlib
import matplotlib.pyplot as plt
import matplotlib.ticker as mticker
import matplotlib.dates as mdates
import numpy as np
from numpy import loadtxt
def graphRawFX():
date,bid,ask = np.loadtxt('GBPUSD1d.txt', unpack=True,
delimiter=',',
converters={0:mdates.strpdate2num('%Y%m%d%H%M%S')})
fig=plt.figure(figsize=(10,7))
ax1 = plt.subplot2grid((40,40), (0,0), rowspan=40, colspan=40)
ax1.plot(date,bid)
ax1.plot(date,ask)
ax1.xaxis.set_major_formatter(mdates.DateFormatter('%Y-%m-%d %H:%M:%S'))
#####
plt.grid(True)
for label in ax1.xaxis.get_ticklabels():
label.set_rotation(45)
plt.gca().get_yaxis().get_major_formatter().set_useOffset(False)
#######
ax1_2 = ax1.twinx()
#ax1_2.plot(date, (ask-bid))
ax1_2.fill_between(date, 0, (ask-bid), facecolor='g',alpha=.3)
#ax1_2.set_ylim(0, 3*ask.max())
#######
plt.subplots_adjust(bottom=.23)
#plt.grid(True)
plt.show()
graphRawFX()