0.5c / 26.5c = 1.88679% for lets guess 2mths risk.
1.8% for 2 mths is equal to 10.8% annualised.
There is a chance that this is done and dusted quicker making it more attractive. If it takes 6wks then >15% return is on offer.
These returns are better than bank interest, providing you are not getting skinned on brokerage plus you get the (very unlikely) kicker if another bidder steps in.