William Hill slashed its odds from 300/1 to 25/1 amid the “biggest betting frenzy” on the party since Lloyd George was Prime Minister.✓
The bookmakers also shortened its odds, from 20/1 to 10/1, that the party would win more than 100 seats in the next Parliament.✓
Odds of a Conservative victory shortened from 8-11 before the debate to 4-5 by the end.x
Yeah, err, nearly there. A little more homework required for inverse fractionals, methinks.
Strangely enough, while a Telegraph journo was confusing his or herself, somewhere a roadsweeper was mentally calculating the returns from an each way yankee without any problem at all.