EMA 9 & 20, SMA 20

The script plots three moving averages on a price chart: the 9-period Exponential Moving Average (EMA) in blue, the 20-period Exponential Moving Average (EMA) in yellow, and the 20-period Simple Moving Average (SMA) in red with a dotted line style. These moving averages assist traders in identifying market trends and potential support/resistance levels.