Market for Pike's Ascot winners

With West Australian jockey William Pike set to ride six favourites from his seven rides in Ascot on Saturday TAB have opened a market on how many winners he will come away with on the day. 

3+ winners is the favourite in the market at $2, while those who think he can go close to winning each ride can get $61 for 6+ wins.  

How many winners will Willie Pike ride?
$2.00     3+
$4.20     4+
$18         5+
$61         6+