Former club Barcelona carries an option for Riad.
"To be honest, I have no idea. My representatives are taking care of it and I'll see. At the moment I'm still thinking about Betis," he commented.
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"I think about Betis. I think about the five finals that we have left. Leaving the team as high as possible. And that's it. If I'm honest I have no idea. My representatives will take care of that and I'll see."
Asked Betis or Barcelona, Chadi added: "Well, I don't know, I'm very comfortable here. I wouldn't know what to tell you, many things can change. I'm very comfortable here."