Best Odds Guaranteed (BOG) Explained

Best Odds Guaranteed (BOG) Explained

Best Odds Guaranteed — usually shortened to BOG — is one of the most useful concessions UK bookmakers offer.

It’s one of the core betting mechanics covered in the main horse racing betting explained guide, and it protects you if you take a price early and the market later disagrees with your view.

If the horse drifts, you are paid at the bigger Starting Price.
If the horse shortens, you keep the bigger early price.

It sounds generous.
Sometimes it is.
Sometimes it isn’t.

What is Best Odds Guaranteed?

Best Odds Guaranteed means:

  • You take a price when you place the bet

  • If the odds shorten before the race starts, you are paid at the bigger price

  • If the odds drift, you are paid at Starting Price, if that is bigger

In simple terms:

You get the best available price between when you place the bet and the off.

A simple BOG example

You back a horse at 8/1 in the morning and take the price.

By the time the race starts, the horse is 10/1.

If the horse wins, you are paid at 10/1, not 8/1.

Without BOG, you would be paid at the contracted odds you took at the time of placing the bet.

When BOG applies

BOG usually applies to:

  • Win bets

  • Each-way bets (win part always, place part depends on bookmaker)

It applies:

  • From when you place the bet

  • Up until the official start time

It only applies if:

  • You place the bet before the race starts

  • You use a bookmaker offering BOG

  • You are logged in and eligible

When BOG does NOT apply

BOG does not apply to:

  • Ante-post bets

  • In-play bets

  • Bets placed after the race has started

  • Bets placed with bookmakers not offering BOG

It also does not protect you from:

  • Rule 4 deductions

  • Reduced place terms

BOG is price protection only — nothing more.

BOG and Rule 4 deductions (important)

This catches people out.

If:

  • You take 8/1 BOG

  • A horse is withdrawn

  • A Rule 4 deduction applies

You:

  • Still get paid at 8/1

  • But the winnings are reduced by Rule 4

BOG protects the headline price, not the deductions.

BOG on each-way bets

On each-way bets:

  • The win part is always BOG-protected

  • The place part depends on the bookmaker’s rules

Some bookmakers:

  • Apply BOG to the win part only

  • Set place terms at the time of the bet

Always check — this varies.

Early prices and BOG strategy

BOG exists to encourage early betting.

Early prices:

  • Are often bigger

  • Carry more uncertainty

  • Are more likely to be wrong

BOG removes some of the timing risk of betting early.

If the price collapses, you keep the price you took.
If it drifts, you benefit by being paid at the bigger Starting Price.

When BOG is especially valuable

BOG is most valuable when:

  • You bet early

  • You expect the market to converge strongly (e.g. a well-backed favourite)

  • You’re betting in televised or high-profile races

In these situations, money often concentrates on one or two runners, forcing prices on others to drift.

Common BOG misconceptions

  • “BOG guarantees profit” — it doesn’t

  • “BOG avoids Rule 4” — it doesn’t

  • “BOG applies to everything” — it doesn’t

  • “Starting Price is always worse” — it isn’t

BOG is useful — not magical.

How this fits into the wider picture

Best Odds Guaranteed is one of the core betting mechanics covered in the main horse racing betting explained guide.

It doesn’t change what you back.
It changes when and where you back it.

Used properly, it can improve long-term returns without changing your selections.

Final thought

Best Odds Guaranteed doesn’t make bad bets good.

It makes good bets slightly better when the market doesn’t agree with you.

Over time, that difference matters.