7th July 2011, 11:11 AM
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Member
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Join Date: Jan 1970
Posts: 4,426
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Mark, seen this quite a few times now.
It's distortion of the SP caused by an unbalanced load of money on one side.
There are two ways this can occur.
Horse A has $2,000 traded on it at $5.00
Some bright spark takes a set against it and lays $5,000 without price limit in the dying seconds.
Which means he clicks a really high price and scoops $5,000 waiting to back regardless of price.
This unbalances the SP but does not effect the predicted SP.
So we'll see a last traded price of maybe $5.50, but an SP of $15.00.
The other way is one large SP lay bet without a price limit set.
SP will try to match as much money as it can, so if there's no price limit set, it will keep matching until all money with no limit is matched.
Both scenarios push the SP on individual runners out to unacceptable lay levels.
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