QBOA hold an annual Opal Festival with associated Trade Show in Winton at the second week of July, postponed this year until September. The Winton Opal Festival and  Trade Show is generally the first on the circuit of eastern states trade shows held in opal producing areas of Australia.

The Winton Opal Trade Show is held along Elderslie Street, between Werna Street and Oondooroo Street. During the two day event, the main street is closed to traffic during the daytime, and you will find traders selling rough and cut stones, as well as jewellery pieces, and allied souvenir items. You may also find some surprises!

Trading is held here for two days and is open to the public.