The event will mark Geale’s fifth defence of his title and his first fight on US soil.
Geale is $1.67 at Sportingbet Australia to win by points decision, while Barker is $3.25 to win by points decision.
“Our punters are convinced this fight will go the distance but around 75% of the money so far has been for Geale,” Sportingbet Australia spokesman Andrew Brown said.
It is $1.16 at Sportingbet Australia that the fight will go over 9.5 rounds versus $5.00 for under 9.5 rounds.
Sportingbet is also offering round betting, where Geale is $67 to win in either round 1 or 2, $51 to win in round 3, 4, 5, or 6 and $41 to win in round 7, 8, 9, 10, 11 or 12.
IBF Middleweight Title – Daniel Geale v Darren Barker
Sportingbet Australia market
Daniel Geale $1.45
Darren Barker $2.75
How will the fight end?
Geale by points decision $1.67
Geale by KO, TKO or Disq $7.00
Barker by points decision $3.25
Barker by KO, TKO or Disq $9.00
Over 9.5 rounds $1.16
Under 9.5 rounds $5.00
More markets http://www.sportingbet.com.au/#