Is CFD a derivative?

Could you please elaborate on whether CFD, or Contract for Difference, qualifies as a derivative? I'm interested in understanding its characteristics and how it compares to other financial instruments. Could you also discuss the risks involved in trading CFDs and any regulatory considerations that investors should be aware of? Additionally, how does CFD trading differ from traditional trading, and what are the potential benefits and drawbacks of utilizing CFDs in investment portfolios? I'm keen to get a comprehensive overview of this topic.