def execute(name : String, start_idx : Int32, end_idx : Int32, open : Array(Float64) | Nil = nil, high : Array(Float64) | Nil = nil, low : Array(Float64) | Nil = nil, close : Array(Float64) | Nil = nil, volume : Array(Float64) | Nil = nil, openinterest : Array(Float64) | Nil = nil, **optional_args) #