Betbotpro for Betfair User Manual - Streaming API
  May 2024
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Accumulator Stake – Back and Lay

This is a very powerful staking system. You can basically roll up the win for a bet and
place the lot on the next bet, as many times as you wish.
 
Of course for it to win you still need winners. But it gives you the opportunity to take the other side
of all those people laying the favourite or 3rd fav.
 
 
How many times do you see those lose 3 or more times in a row?
 
The number of WinnerBets set will determine the number of consecutive bets where the stake
and winnings will be put onto the next bet.
 
So the Equivalent Accumulator or total odds is the number of bets times the min
odds set in the odds range.
 
 
 
So if min odds are 3.5 and the number of bets 3 then the cumulative odds
will be (3.5 ^ 4) -1 = 3.5 x 3.5 x 3.5 x 3.5  =150 -1 = 149.
 
So if you get 4 bets in a row with winners it is like hitting a 149/1 winner.
 
Adjust last bet will do the following. The last bet stake will depend on the actual odds of the
selections.
So if the selections odds are actually better 4.0, 4.5, 4.0, 3.7 then it will work out as follows:-
 
4.0 x 4.5 x 4 = 72 and to achieve 149 then the stake on the last bet can be a lot less and
you also save winnings and keep profit perhaps.
 
Example without adjust last bet:
 
1st bet =  stake £1 x 3.5 = £3.50 + £1 stake back = £4.50
 
2nd bet = stake £4.50 x 3.5 = £15.75 + £4.50 stake back = £20.25
 
3rd bet = stake £20.25 x 3.5 = £70.87 + £20.25 = £91.12 total take.
 
4th bet = stake £91.12 x 3.5 = £318.92
 
Example with adjust last bet:
 
1st bet = stake £1 x 5.4 = £4 + £1 stake back = £5.40
 
2nd bet = stake £5.40 x 5.0 = £21.60 + £5.40 stake back = £27
 
£124 - £27 = £97 remaining to achieve. So if odds of last selection are 6.0 then
 
3rd bet = stake = £97/6-1 = £19.40 x 6.0 = £97 + £27 stake back = £124
 
So we save £27 - £19.40 = £7.60 and if we lose our last bet we actually finish with a
profit of £6.60 as all we have lost is the original stake of £1 in theory.
 
When we have losing bets the loss is added to the next bet, but because the effective
odds are 124/1 we can divide the loss by 124 so the increase on each bet is very
small allowing us to run a long time without increasing the stake hugely.
 
Genius!
 
Example: Here we have min odds set to 3.0 giving us effective odds of 26. (3x3x3 = 27 -1).
We were selecting traps 1 and 3 on the greyhounds using the multiple trap strategy.
 
The screenshot below is the old version 4.2 of the software for staking demonstrations
 
 
 
The option to only include profit returned will just re-invest profit into the next bet rather than
the profit + returned stake.
 
 
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