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NFL Dogs - Interesting Data if you like Betting Dogs

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Tanko

Tanko

Joined
Oct 27, 2021
Messages
42,547
LONG READ BUT INTERESTING: Some of you may already have this knowledge....

I recently saw a video from a guy about betting Dogs in the NFL. Basically he is saying, if you're going to bet Dogs just bet them on ML and forget the spread. It makes you more $ long-term.

So far in 2022, using closing lines, Dogs have won/tied outright 19 times. Dogs have covered but lost 6 times. The average spread for Dogs has been ~5 pts this season which is roughly equivalent to +200 ML.

So what is the difference in units won betting the spread vs ML on Dogs? Let’s assume you’re a savant and hit every Dog bet. You’re not likely going to hit them all but the data will show if ML bets in general are better for you than spreads when betting dogs. You obviously still have to pick the right dogs but if you're going to bet dogs, you want to win max units long-term.

>>> For every dog SPREAD bet you would win 1 unit. Over the 25 games dogs have won this season ATS you would be up 25 units.
>>> Assuming you bet the same games but on the ML. You would have won 18 (its not 19 since one game was a tie) at an average of +200 odds and won 36 units or about 44% more than the spread plays.


Now, I’m using averages (e.g. spread line of -110 and an average spread of 5 which roughly equates to +200 ML odds) but it’s to show if the statement ML is a better play than Spreads for NFL dogs.

OK cool. Makes sense, at least for 2022.

Let’s back test a few years…. for years 2018 through 2021 the average closing line spread for dogs was 5.5, equivalent to ~+210 ML odds. Here's how the ML vs Spread return compares.

1664225880484.png

Now as I said, you're not going to be able to hand pick every dog correctly but its interesting that long-term betting dog ML's will make you ~40% more than playing dog Spreads.
 

Tanko

Tanko

Joined
Oct 27, 2021
Messages
42,547
I know there were a lot of averages and assumptions used in the analysis but, even if they were tweaked to be exact, it still shows MLs are better than spread for NFL dogs.

Also, I did leave out 1 or 2 of the last weeks of the NFL season for 2018 and 2019 because back then IMO games were meaningless since most were teams already eliminated from playoffs. I would have included them, but I literally did not have the data in hand when doing this analysis today.
 

Tanko

Tanko

Joined
Oct 27, 2021
Messages
42,547
Somone may say, "Sure, betting MLs always pays more than the spread." But, they'd be missing the point. The question you have to ask is, if you like the dog why bet the Spread at all. Long-term the data seems to indicate, if you like the dogs in an NFL game, alway take the ML. You should profit more long-term.
 

Tanko

Tanko

Joined
Oct 27, 2021
Messages
42,547
Someone asked for number of games in prior years....
Here are the number of games that Dogs win outright, Dogs lose but cover, and the total by year.

1664228214931.png

What is surprising is how often a dog wins outright. It occurs almost 2X more than a dogs losing but still covering.

Remember there were 256 games each year in 2018-2020 and 272 in 2021. Dogs winning outright occured on average about 32% of all games.
 

chuckythegoat

chuckythegoat

Joined
Aug 11, 2022
Messages
761
Tanko:

*My honest thoughts. Of course, this is a good read. A few things come to mind:

1) I question this data. It's so sensitive to what PRICE you get on the Moneyline Dog.
2) I hate the fat STRADDLES on big Moneyline Dogs/Favs. Once you get close north of +300 dogs...the house loves to fatten the straddle. Splits of -500/+400 should be illegal, too fat.
3) Lastly, the league looks more and more like parity. So, bigger spreads show up less frequently. Just look at the lines from the first few weeks.

I'd have to think about it more. Personally, I feel much better playing the -110 game.

This is a topic which gives me food for thought. For that, I say Thank You.
 

Tanko

Tanko

Joined
Oct 27, 2021
Messages
42,547
Tanko:

*My honest thoughts. Of course, this is a good read. A few things come to mind:

1) I question this data. It's so sensitive to what PRICE you get on the Moneyline Dog.
2) I hate the fat STRADDLES on big Moneyline Dogs/Favs. Once you get close north of +300 dogs...the house loves to fatten the straddle. Splits of -500/+400 should be illegal, too fat.
3) Lastly, the league looks more and more like parity. So, bigger spreads show up less frequently. Just look at the lines from the first few weeks.

I'd have to think about it more. Personally, I feel much better playing the -110 game.

This is a topic which gives me food for thought. For that, I say Thank You.
You make very solid points Chucky. I think when I have time, I may refine the analysis some more to eliminate large dogs from the data. Play with it to check sensitivities on price and ML limits.

This is exactly what I was looking for. There's always different angles to consider and when posters reply like you did, it generates more thought.

Thanks for the feedback. (y)
 

nbw

nbw

Joined
Jun 16, 2022
Messages
303
LONG READ BUT INTERESTING: Some of you may already have this knowledge....

I recently saw a video from a guy about betting Dogs in the NFL. Basically he is saying, if you're going to bet Dogs just bet them on ML and forget the spread. It makes you more $ long-term.

So far in 2022, using closing lines, Dogs have won/tied outright 19 times. Dogs have covered but lost 6 times. The average spread for Dogs has been ~5 pts this season which is roughly equivalent to +200 ML.

So what is the difference in units won betting the spread vs ML on Dogs? Let’s assume you’re a savant and hit every Dog bet. You’re not likely going to hit them all but the data will show if ML bets in general are better for you than spreads when betting dogs. You obviously still have to pick the right dogs but if you're going to bet dogs, you want to win max units long-term.

>>> For every dog SPREAD bet you would win 1 unit. Over the 25 games dogs have won this season ATS you would be up 25 units.
>>> Assuming you bet the same games but on the ML. You would have won 18 (its not 19 since one game was a tie) at an average of +200 odds and won 36 units or about 44% more than the spread plays.


Now, I’m using averages (e.g. spread line of -110 and an average spread of 5 which roughly equates to +200 ML odds) but it’s to show if the statement ML is a better play than Spreads for NFL dogs.

OK cool. Makes sense, at least for 2022.

Let’s back test a few years…. for years 2018 through 2021 the average closing line spread for dogs was 5.5, equivalent to ~+210 ML odds. Here's how the ML vs Spread return compares.

View attachment 6277

Now as I said, you're not going to be able to hand pick every dog correctly but its interesting that long-term betting dog ML's will make you ~40% more than playing dog Spreads.
Posted about this before season started..... been doing this for years....like you said cant hand pick them have to play em all.....
 
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