I don't think the website where you download the PDF from matters much, the journal claims to be peer reviewed https://www.iospress.com/catalog/journals/algorit

I don't think the website where you download the PDF from matters much, the journal claims to be peer reviewed https://www.iospress.com/catalog/journals/algorithmic-finance#peer-review https://www.iospress.com/catalog/journals/algorithmic-financ.... > Note that the "journal" editor is the author of the paper. Interesting, I didn't notice that. The journal does have other editors too, see the first page of the PDF.