I don't have any data on ties but books that have 3 way on golf with a tie option seem to pay +750 on the draw. I have to infer that is too little. I wonder about that in certain matchups but generally I think we need to assume that the true odds of a tie are probably 9:1.
For instance YE Yang vs. Rory at +140 IF my analysis is correct is probably close to +120 no ties---maybe slightly better, maybe slightly worse but probably pretty similar.
If you bet +120 no draw you're going to win and let's just say that is the fair bet you get on 10 trials no decision. And then on the other 90 you are winning 41 times out of the 90 (which is 45% of the time) and losing 49 times. But you're 41 pays 1.2 so you would earn 49.2. Basically, I'm saying you'll break even if YE wins the matchup 45% of the time and you get a refund on ties.
Now I'll lose 10 for the draw. But on the other 90 I'm going to win 45% of the time or 41 wins just like you but I'll be paid 1.4 which equals 57.4 so I'll lose 59 total which is slightly negative 1.6.
I would have to say the +120 no draw is at least equivalent to betting +140 Ties Lose at Bodog but for sake of argument let's say it is close enough to be interchangeable since we need a few assumptions to get there.
(1) Of course the tie being more frequent or less frequent changes the value of the bets. I don't know the answer to this. If my 9:1 is a little high and the odds really are 11:1 the Bodog bet gets better since I'll lose a little less on ties and get my 1.4 a little more frequently. BUT the opposite is also true in that the more frequent a tie it is less value.
(2) Bodog puts up matchups I don't see elsewhere and they just seem like they're inflated prices to be honest. I don't think you can bet them similarly elsewhere with no ties.
What was the one I bet? Can't even remember the guy already. Cauley? +250 against Woodland. You're bang on the ties are a killer and certainly something like Day +150 over Westwood I just didn't see the matchup anywhere else at no tie odds. I have to admit it probably isn't as good as I think but I probably jumped when I saw 2 golfers not exactly even I certainly have to favour Westwood but +150 sounded good. The +250 on Cauley I was ready to bet Arnold Palmer +250 against Woodland to tell you the truth.