/*backtest
start: 2021-12-01 00:00:00
end: 2022-05-25 00:00:00
period: 5m
basePeriod: 1m
exchanges: [{"eid":"Futures_CTP","currency":"FUTURES"}]
args: [["v_input_int_2",30],["v_input_int_3",60],["ContractType","rb2210",360008]]
*/
//@version=5
indicator("3EMA ", overlay=true)