What is a suitable ROI for a sports bettor.

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I started this thread in the baseball forum by mistake.More people will see it here. Lately there has been talk of ROI in the forum. What do the posters think is an appropriate and attainable ROI for those of us who bet on sports.
 

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If you play with quality books and assume a zero stiff rate, I would say 75 % annually at a minimum.

So if you start with 100k, you can earn 75k per year for your efforts.

SO assuming you make 3 % on your bets, you would need to turn your bankroll over 25 times or once every two weeks.

Using riskier books would require a higher rate of return.
 

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Let's see. 5,000,000/100 = 50,000X100 = 5,000,000%, and I would say no later than thirty days.
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<BLOCKQUOTE class="ip-ubbcode-quote"><font size="-1">quote:</font><HR> What is a suitable ROI for a sports bettor. <HR></BLOCKQUOTE>


100 to 200% of total bankroll per year.


Note: Achieving such may involve being booted by more than one BM.
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To answer my own question, I think ROI should approximate the bookmaker's hold.Anything else would be an unrealistic expectation.You hit it right on the head, Shrink.
 

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If you win 55%-57% of your games (Non-baseball for obvious reasons), you are doing very well.

If you end up with a ROI of 5%-10% you are doing very well. That number will differ year to year. For example, in the NFL last year, I had a ROI of about 8.9%. I was 65-49 and had a gain of around +30% of my bankroll (different from ROI). But that was just one year. Over the course of the last four years, my ROI in the NFL is closer to about 5-6%. In the NCAA basketball tournament, my ROI over the last four years is around 7%. I had an incredible year two years ago, where I went 44-28 and returned around 50% of my bankroll. My ROI that year was 16.7%. That's truly incredible. But it was only one year.

Anyway, if you are getting around 5-10% over the long haul, you are doing very, very well.

I think some people are answering thinking what should your return be for the year, not your ROI.

ROI. In the NFL last year, I was 65-49. Assuming I am playing into a 10% vig, and played 3% on every game (3.3% with the vig), I played a total of 114 games times the 3.3% w/vig. I risked 376.20% of bankroll. I made 11.1 units or about 33.30% of my bankroll. That 33.3% divided the amount risked 376.20 = 8.9% ROI.

So you can see, even in a good year, there is no way to achieve 75% or 200% like some people have answered. I think they just confused ROI with your yearly return of bankroll.

I also think you are probably right when you say it should match the books return. That seems like a pretty good goal.
 

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You ROI needs to be adjusted by the following variable
Effective Cost of Funds (different for each of us)
Risk of Non-Payment

My EFC could be calulated a 0% (checking account money and money borrowed at 0% on credit cards), 0.9% pre tax for an effective of about 0.7%, but in reality is 3.75% pre-tax or 2.74% after tax becuase if I was a little mor efficient I would use all excess cash to pay down my home equity line.
With ECF this low, I can shoot for a lower ROI pre-funding cost, if your funding cost is higher, then you need a higher ROI.

Risk of non-payment was high with me getting trapped with PTS. That fiasco basically wipred out 6 months worth of profits. I've regrouped, but am getting scared as I am being slow paid by a book I have more money in than I would like. I only use quality books now as the value of from bad lines or bonuses at questionable books, in my experience, does not compensate one for the risk of non-payment.
 

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Annual return is really all that matters.

If you can establish an edge, then it just becomes a matter of volume. I also consider this a form of diversification within.

Old dog, where are you??
 

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ROC = Return on CAPITAL
ROR = Return on RISK

These are very different so please clarify your responses.

Revere14
 

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<BLOCKQUOTE class="ip-ubbcode-quote"><font size="-1">quote:</font><HR>Originally posted by THE SHRINK:
3-4% is what I shoot for...<HR></BLOCKQUOTE>

And this guy is considered a professional gambler?
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You might as well just put your bankroll in a savings account and cancel your subscription to Don Best.
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Actually Revere 14 made a great point. Two different things here, both being discussed.When I started the thread I was thinking more of return on risk:What is the % you make for each dollar you bet.
 

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IF YOU HIT 56% vs the spread laying 110 vig.....that equates to a 6.91% ROI

IF YOU HIT 55% vs the spread laying -110 juice........that equates to a 5.0% ROI

DO THE MATH BATPOSTERS!!!!
 

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strut - Your numbers are correct, assuming you are playing the same amount each game. But, if you are achieving 55% but betting 3% on some games and 4% on other games, for example, then your ROI is different, depending on your success at each level.
 

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