Cfd trading permissibility - argument for

I have a book that I found from an islamic student on the permissibility of CFD trading, however I am not a student of the fiqh nor understand arabic to validate the teachings of this, if anyone of knowledge can please take a look it would be appreciated:
The Islamic Jurisprudential Feasibility of the Nature of A Contract for Difference:

@Mufti_Billal @Mufti_Faraz_Adam please review this