The 40 Wolfwave Nen 2 indicator is a popular and free Forex indicator for the MT4 platform. It is a useful tool for traders who want to identify and take advantage of potential trading opportunities. It uses a combination of wave analysis and neural networks to identify price patterns and generate buy and sell signals. The indicator is easy to use and can be applied to any timeframe. It uses a series of different colored lines to indicate when a buy or sell signal is generated. The indicator also provides information about the current trend and the strength of the trend. This can help traders determine when to enter or exit a trade. The indicator is based on the Wolfwave theory, which is a combination of wave analysis and neural networks. Wave analysis is used to identify price patterns and generate buy and sell signals. Neural networks are used to analyze the data and identify patterns that indicate potential trading opportunities.