Having spent a two-week spell at Molineux, he scored a hat-trick during a trial game before being offered terms last weekend.
Jellis joined the Ducks â€“ his first senior club â€“ during the summer and scored twice in nine first-team appearances and has also featured for the club`s under-18 side.
Keep up-to-date with our exclusive email newsletters.
© Pitch Hero Ltd 2008-2017
Pitch Hero Ltd Registered in ENGLAND | WF3 1DR | Company Number - 636 1033