Butterfly Spread trade in ITC

ITC is in rangebound between 270-280 from the last month and is expected to be in the same range for this month too.
we can execute Butterfly Spread in ITC if we are expecting the same range.

The following contracts need to be taken to execute the strategy:

ITC JUL 25 2019 Call 280 2400 2.3
ITC JUL 25 2019 Call 275 -4800 4.1
ITC JUL 25 2019 Call 270 2400 7.15

Max Profit : 9000
Max Loss : 3000
RR ratio : 1:3