valuewhen(condition, source, occurrence) → series, Click to share on Facebook (Opens in new window), Click to share on Twitter (Opens in new window), Click to share on Reddit (Opens in new window), Click to share on Pocket (Opens in new window), If your variable value comes from a fixed condition (like entering a position), we can simply use the, If you want to have finer control over when to start and stop tracking a variable, a. plot(x). Donate with PayPal using any payment method you are comfortable with! Should that variable be true, the strategy.entry() function opens a short trade (long=false). If we got the indentation wrong – even by a single space – then either TradingView errors or our code generates unexpected results. When true, code under if runs. The indentation before the statement Sebastopol, CA: O'Reilly Media. Could you fix that? Tradingview: Save a variable / store a value for later. That's the case when strategy.position_size has a value different than (!=) 0. A nested if statement is an if statement placed put inside another if or if/else statement. Because those two nested if statements depend on the top if statement, no entry order is submitted unless the volume is above its 10-bar average. You can use it to monitor key levels and detect when the break. The easiest way is to think of it in these terms, your_indicator = valuewhen(another_condition, value_to_display, occurrence) The reason we will use both valuewhen()and a ternary conditional operator is again for plotting aesthetics but you may wish to have a number of conditions that cause the stop to trail up. Then we calculate a moving average with the sma() function. Before you start, this script is using version 4 of the Pine Script syntax, so when you compile my code into computer-speak, use Pine Script v4.0’s rules to … This one uses the cross() function to see if the closing price (close) crossed the average (emaValue). This code runs when close > open tests false. We need to look at the last bar and see if that was signaling for us to close the position. Each function has its own local scope. Using this function actually means we don’t have to save a variable at all! y_open = open[1], if (t_close > y_open) and (t_open = 2018) and (t_close > t_open) and (y_open > y_close) See my TradingView programming services, Have a programming question? BTC/EUR, ETC/EUR, BTC/USD, ETH/BTC, BCH/USD, XRP/BTC, EUR/USD, GBP/USD, USD/JPY, EUR/JPY, AUD/USD, DXY, TOTAL, ERAMET, AIRBUS, Apple, TESLA INC, UBER TECHNOLOGIES INC, CAC 40, Indice DAX, Euro Stoxx 50, FTSE 100, Dow Jones, S&P 500, Or, Argent, Brent Oil, Crude Oil, Natural Gas, Bitcoin, France 10Y, Allemagne 10Y, Italie 10Y, UK 10Y, US 10Y, Japon rendement 10Y. Hi Andrew – You could use the security() function to import the close data from another asset (like GBPUSD) and then use similar techniques as above. When those two things are the case, we close the ‘EL’ order with the strategy.close() function. This article discusses the alternative. But the strategy should only send those exit orders when there's an open trade. The first is to place an if statement inside another if code block. and depends on the type of the arguments used in each particular function call. When that variable is true, we have the strategy.entry() function open a long trade (long=true). indicates that it is a part of the body of the function and not part of the Note: If you are wondering what the heck a series based programming language is, it just means that we build lines of data every time a new candle is received. Let's see how nested if statements can help to implement that logic. Backtest Rookies is a registered with Brave publisher! yep man you worked it out. At GTC Fall 2020, NVIDIA announced an upcoming developer SDK, RTX Direct Illumination (RTXDI), which enables and accelerates the rendering of dynamic direct lighting and shadows from many light sources. A switch statement evaluates an expression and then picks the matching value. Those values display as a regular line plot. entry_price = open[since_entry] – Michel_T. If there's no code between an if condition and the subsequent nested if statement, the code can be rewritten into a single if condition with the and logical operator. This can be useful if you have multiple positions open and cannot rely on printing the built-in variablestrategy.average_price. Vous pouvez également comparer la dominance en capitalisation boursière de diverses crypto-monnaies. TradingView uses indentation to see which code belongs to which if statement. And so before our nested if statement's code runs, both firstCondition and secondCondition have to test true. I want to plot a line of that highest point. The entry criteria are not important to understanding the concept and can safely be ignored or replaced with your own criteria. Alternatively, support us by switching to Brave using this referral link and we will receive some BAT! When true, the code under the first if run and TradingView is done with this if/else statement. Now here's the thing. Want to know more about me? There's no code between the first and second if test. Start by typing a product or service name and we will look it up! Love the blog! Scopes in the script ¶ Variables declared outside the body of a function or of other local blocks belong to the global scope. This We check if we opened a position, if we did we track the RSI value at the open. strategy.entry(“Sell”, strategy.short, when = goShort()) How to distinguish the position if one is already opened ? With an if statement we execute TradingView code based on a true/false condition (TradingView, n.d.; TradingView Docs, n.d.). Pine Scipt functions do not support recursion. TradingView's time variables. If it has, that means we have bought. This should make a really great example on stackoverflow of how pine handled functions in v4. In pine script (love it, by the way) it would be great to be able to work with global variables, that can be set/changed and are also available in bar calculation after the one I've set them. And another thing how do you specify you want only one long trade and only one short trade (default pyramiding is enough ?)? kidding, amused, unsure, silly When such a cross indeed happened, the nested if returns the color.orange colour. Closed-form analytical solution for the variance of the minimum-variance portfolio? To tackle this problem, we check the previous value using rsi_close[1] ? Trying to apply this method differently and getting confused. Tradez et investissez avec AMP Global. // get value of close on second cross occurrence Accessing values later is useful for a number of applications. Struggling with v2 to v4 pinescript Conversion, "Cannot modify global variable inside function" Error And I'm not really sure how to access the variable and modify inside the function, to complete the loop, and its not showing up on the chart. Then the nested if statement checks whether the bar closed higher than the previous bar (close > close[1]). The built-in function valuewhen() looks at any condition we give it and returns the value of a line (which we also give it) when the condition was last true. The nested if statement isn't really necessary. To help visualize this, we will plot the saved RSI value. Below we first discuss an example indicator; after that we turn our focus on an example strategy. All the variables declared within the function, as well as the function’s arguments, belong to the scope of that function, meaning that it is impossible to …