Pine Script TradingView 查询

Question

I'm quite new to PINE and I'm hoping for some assistance, or to be pointed in the right direction. My goal is to script BUY/SELL signals which will use a PERCENTAGE of an available sum for use with a trading bot via TradingView.

For example, starting capital $100, buy signal comes through, which triggers buy of of 25% ($25) worth of X coin.

I have been unable to find the code to setup the more complicated percentage-based buy/sell orders. Perhaps I'm blind, if so, tell me: :) The below code provided by TradingView would use all available capital in the account to make 1 x buy trade... which is not ideal.

{
    "action": "BUY",
    "botId": "1234"
}

I have tried this to add % but to no avail:

{
    "action": "BUY" percent_of_equity 25,
    "botId": "1234"
}

Any suggestions? Am I missing anything obvious?

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Answer 1

The code above is not related to pine-script, but is part of alarm/webhook action.

If you want to declare equity in your (back)order, inside pine-script, you have to use strategy like something this:

strategy(title = "example",
         shorttitle = "myscript",
         overlay = true,
         pyramiding = 1,
         default_qty_type = strategy.percent_of_equity,
         default_qty_value = 50,
         initial_capital = 1000)

This get the type as percent of equity, which is 50% declared on qty_value