Dear Nicolas,

Thanks for your prompt response.

vcharlesc wrote:

defparam drawonlastbaronly = true

// Parameters for Moving Averages, Bollinger Bands, and Volume Threshold

emaShortPeriod = 9

emaLongPeriod = 21

bollingerPeriod = 20

bollingerDeviation = 2

volumeMultiplier = 1.5

arrowLength = 10 // Length of the arrow in price units

// Calculate EMAs, Bollinger Bands, and Volume

emaShort = exponentialaverage[emaShortPeriod]

emaLong = exponentialaverage[emaLongPeriod]

bollingerMiddle = average[bollingerPeriod]

bollingerUpper = bollingerMiddle + std[bollingerPeriod] * bollingerDeviation

bollingerLower = bollingerMiddle – std[bollingerPeriod] * bollingerDeviation

averageVolume = average[50](volume)

// Signal Conditions

isBuySignal = emaShort > emaLong and close < bollingerLower and volume > averageVolume * volumeMultiplier

isSellSignal = emaShort < emaLong and close > bollingerUpper and volume > averageVolume * volumeMultiplier

// Draw Segments for Buy Signals

if isBuySignal then

DRAWSEGMENT(barindex, low – arrowLength, barindex, low, rgb(0,255,0)) // Green upward segment for Buy

endif

// Draw Segments for Sell Signals

if isSellSignal then

DRAWSEGMENT(barindex, high + arrowLength, barindex, high, rgb(255,0,0)) // Red downward segment for Sell

endif

// Display EMA lines for trend identification

return emaShort as “EMA Short”, emaLong as “EMA Long”

Help me fix this error