/*backtest
start: 2021-05-08 00:00:00
end: 2022-05-07 23:59:00
period: 4h
basePeriod: 15m
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/
//@version=2
study("Renko Reversal alert", overlay=true) 
//Buy entry if a bearish renko brick is followed by a bullish brick
//Sell entry if a bullish brick is followed by a bearish brick
long = close > open[1] and close[1] < open[2]