The spread in the main international natural gas markets shows the characteristics of violent fluctuation, frequent mutation, and periodic evolution, which poses a great challenge to the safety and sustainable development of natural gas in China. Firstly, this paper used the CEEMDAN model to...

Introduction -- A novel model-free term structure for stock prediction -- An adaptive correlation heston model for stock prediction -- The algorithm to control risk using option -- Option strategies: evaluation criterion and optimization -- A novel mean reversion-based local volatility model --...