There is a large number of papers on this topic. You can see my paper as well. Its related to Fuzzy Time series modeling using Genetic Algorithms and another one Genetic PSO for Prediction. Both papers are open source.
Enhanced classification performance using computational intelligence (2011) Communications in Computer and Information Science, 204 CCIS, pp. 384-391. DOI: 10.1007/978-3-642-24043-0_39