This indicator is made to calculate and show the spread between the currency pair USD-BRL being negotiatied in Brasil's B3 and in USA's CME Globex.
The orange line "Arbitrage" is the spread.
The red/green line is the "Stop Loss" recommended for the strategy. If the line is green, it means that the reward/tisk ratio is above 1.
IMPORTANT: MAKE SURE TO BE USING THE SAME TIMEFRAME ON BOTH THE INDICATOR AND THE CHART.