Simple code like this won’t work for you: If you’ll add it to the chart you’ll see the following error: Syntax error at input ‘end of line without line continuation’. So what is the reason and how to fix it? It is happening because of the line wrapping rules you have in PineScript. The piece How to fix “syntax error at input ‘end of line without line continuation’.” in pine script Read More →
In this article, I will show you how to fix the “‘expression’ argument of security function should have no side effects” error in PineScript. Here is an example of the script that triggers that error: Error message: The issue is that when you call a function inside a “security” function you can’t plot trend line
How to fix ‘expression’ argument of security function should have no side effects Read More »
It’s fairly simple to add a session to PineScript Strategies, you can do that just in few minutes adding just a few lines of code to your script. Forst create an input variable that will store the definition of our session. Later you’ll be able to change session variable from parameters without changing your code.
The Easiest Way to Add a Session to PineScript Strategies Read More »
Pretty often you want to backtest your strategy on multiple instruments and you’re interested in how it will work together. In this article, I will show you how easy it is to do that in Python using Backtrader. To load multiple data sources to Backtrader you can use the following code: The idea is pretty
Running Backtesting for Universe of Stocks in Python with Backtrader Read More »
ByBit is of the most popular crypto exchanges on the market, and many people trade on it. It’s important to use historical data to backtest trading strategies. So I decided to create an article showing you how you can download historical bars from ByBit with Python. Libraries used: Function to get bars from Bybit: Example
Getting Historical Bars from ByBit API with Python Read More »
Pretty often strategies you backtest have quite a lot of parameters and it’s pretty hard to find out which parameters work the best. Of course, you can change parameters manually and run backtest multiple times. But there are better ways to do that. In this article, I will show you how you run multiple backtests
Optimizing Strategy Backtesting in Python with Backtrader Read More »
Binance is of the popular crypto exchanges on the market and a lot of people trade on it. It’s important to use historical data to backtest trading strategies. So I decided to create a video showing you how you can download historical bars from Binance. I did it using basic Python modules, so you can
Getting Historical Bars from Binance API with Python Read More »
Portfolio Performance in R for Stocks Portfolio Performance in R for Crypto
An Easy Way to Compute Portfolio Performance in R for Stocks and Crypto Read More »
TradingView just recently announced the support of arrays in PineScript. And it’s a pretty big deal. Many developers waited for that for years. I want to explain to you by example how easier life will be in PineScript with arrays. Previously, if you need any arrays functionality, you had to “simulate” the arrays manually on
Arrays in PineScript. Finally! Example of usage. Read More »
Using new alerts on the strategies in Tradingview you can do pretty interesting stuff in PineScript. In this post, I will show you how you can automate pretty complicated strategies in TradingView using only 1 alerts instead of at least 4 alerts you need using usual alerts. I’m using 3commas to automate strategies, but you
Automating long/short TradingView strategies with only 1 alert Read More »
