//@version=2
strategy("aaa", shorttitle="aaaa", overlay=false)
threshold = input(title="Price Difference Threshold", type=float, defval=0, step=0.001)
getDiff() =>
yesterday=security(tickerid, 'D', close[1])
today=security(tickerid, 'D', close)
delta=today-yesterday
percentage=delta/yesterday
closeDiff = getDiff()
buying = closeDiff > threshold ? true : closeDiff < -threshold ? false : buying[1]
hline(0, title="zero line")
bgcolor(buying ? green : red, transp=25)
plot(closeDiff, color=silver, style=area, transp=75)
plot(closeDiff, color=aqua, title="prediction")
longCondition = buying
if (longCondition)
strategy.entry("Long", strategy.long)
shortCondition = buying != true
if (shortCondition)
strategy.entry("Short", strategy.short)
