Handle switch interval in contract chart (#542)
Handle switch interval in contract chart (#542)


nuruddeensalihu/binary-next-gen,binary-com/binary-next-gen,nuruddeensalihu/binary-next-gen,nazaninreihani/binary-next-gen,binary-com/binary-next-gen,nazaninreihani/binary-next-gen,binary-com/binary-next-gen,nuruddeensalihu/binary-next-gen,nazaninreihani/binary-next-gen