This code snippet demonstrates how to implement trailing stops with different percentage values based on specific time intervals during the trading day. Trailing stops are a type of stop-loss order that adjusts automatically to the price movements of a stock.

IF time >= 000000 AND time <= 130000 THEN
    percentagelong = 0.45
    percentageshort = 0.30
ELSIF time > 130000 AND time <= 230000 THEN
    percentagelong = 0.45
    percentageshort = 0.30
ENDIF

TGL = (close/100)*percentagelong
TGS = (close/100)*percentageshort

if not onmarket then
    MAXPRICE = 0
    MINPRICE = close
    PREZZOUSCITA = 0
ENDIF

if longonmarket then
    MAXPRICE = MAX(MAXPRICE,close)
    if MAXPRICE-tradeprice(1)>=TGL then
        PREZZOUSCITA = MAXPRICE-tgl
    ENDIF
ENDIF

if shortonmarket then
    MINPRICE = MIN(MINPRICE,close)
    if tradeprice(1)-MINPRICE>=TGS then
        PREZZOUSCITA = MINPRICE+tgs
    ENDIF
ENDIF

if onmarket and PREZZOUSCITA>0 then
    EXITSHORT AT PREZZOUSCITA STOP
    SELL AT PREZZOUSCITA STOP
ENDIF

The code is structured to adjust the trailing stop percentages based on the time of day. Here’s a breakdown of its functionality:

• Time Check: The code first checks the current time and sets the trailing stop percentages for long and short positions accordingly. Two time intervals are defined: from midnight to 1:30 PM and from 1:30 PM to 11:00 PM.
• Trailing Stop Calculation: It calculates the trailing stop values (TGL for long positions and TGS for short positions) based on the closing price and the defined percentages.
• Market Entry: If not currently in the market, it initializes the maximum and minimum prices and sets an initial exit price.
• Long Position Management: For a long position, it updates the maximum price and checks if the current price has moved sufficiently above the purchase price to adjust the exit price upwards.
• Short Position Management: For a short position, it updates the minimum price and checks if the current price has moved sufficiently below the purchase price to adjust the exit price downwards.
• Exit Execution: If in the market and an exit price has been set, it places a stop order to exit the position at the calculated price, either for a short sale or a sell order.

This example is useful for understanding how to implement dynamic trading strategies based on time-specific criteria in ProBuilder.