// Buy or Sell a strong/weak close and sell the open in a strong/weak trend.
// Instrument: Tesla, 10min, 9:30 - 4:00 Eastern Time, 1 point spread, account size: 10.000 Euro

// ProOrder code parameter
DEFPARAM CumulateOrders = False

// Define intraday trading window
ONCE timeSell = 153000
ONCE timeBuy = 220000

// Define position size
ONCE positionSize = 50

// Define indicators of Moving Avarage trend positive or negative
ma1 = Average[200](close)
ma2 = close[0] > ma1
ma3 = close[0] < ma1

// Define indicators of ADX trend indicator if its strong or weak
trend1 = ADX[14] > 30
trend2 = ADX[14] < 30

// Define a strong close in percentage
c1 = 3
c2 = (DClose(0) - DClose(1))/DClose(1) *  100
c3 = -3

// Open long position
IF NOT LongOnMarket AND Time = timeBuy AND ma1 AND c2 > c1 AND trend1 THEN
BUY positionSize SHARES AT MARKET
ENDIF

// Sell long position
If LongOnMarket AND OpenTime = timeSell THEN
SELL AT MARKET
ENDIF

// Open short position
IF NOT ShortOnMarket AND Time = timeBuy AND ma3 AND c2 < c1 AND trend2 THEN
SELLSHORT positionSize SHARES AT MARKET
ENDIF

// Close short position
IF ShortOnMarket and OpenTime = timeSell THEN
EXITSHORT AT MARKET
ENDIF

Here is the final version, either short or buy close depending on the trend and sell/covers the day after.

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