With the 27-year-old one of the top earners at Molineux, Kenny Jackett has spent much of the campaign looking to find a loan move for the former England U21 international.
That window remains open for now, but it is set to close on Thursday and time is running out for a deal to be pushed through.
O'Hara has recently returned from a spell in America working on his fitness, but interest remains thin on the ground and Jackett admits the situation is far from ideal for all concerned.
He said in the Birmingham Mail: "There haven't been any enquiries or offers.
"He has now played three games (for the U21s since returning from the States) and we will see what transpires before Thursday, but it is all quiet on that front.
"We circulate his name to clubs through his agent, and they are big agents.
"His agent knows in his dealings and moving around the football clubs who is available and who is not.
"He has needed a break and I am surprised nobody has taken him, I really am.
"I thought somebody would take a chance, perhaps on loan first to have a look at him and see how he fits in and give him another chance and another break.
"He is a talented footballer, definitely, and he needs a break elsewhere.
"There has been a high number of players gone from here, as we all know, and it has surprised me that he hasn't got a break anywhere.
"Hopefully somebody wants to take a chance on him by Thursday, and then as for the future? The window only closes for six weeks and then deals can be done again looking towards next year."