if yes then green is means buy volume is higher than sell volume so the price might be increased
and red means sell volume is higher than buy volume and the price might go down.
if you mean on graphic chart then green bar means the price is increased from last closed price.
red bar means price is decreased from last closed price.
CMIIW
It important of the market places. If need for the information you will Check the share market places it will run the share market list it will how you for the incres and digress. Red means prices low. Green mean digress the prices. Then you will know which one is high. It helpful to invest for the future growth and gather more infromation.
Share market will be show you for the infromatiom. You check it. It helpful and you will learn the market place infromation and you will know the market prices list.