This question is brought up to help researchers in the field of signal processing, optimization and control to find the recent and basic signal processing techniques that can be used in the fields of finance and stock.
please arrange the answer such that the application is signal processing be properly mapped to the sub-fields of finance and stock very clearly and also mention if these techniques are novel or basic ?
also any kind of challenges in stock and finance that can be handle efficiently with signal processing as subject or reference articles will be welcome.