U/O 2.5 goals ATO system – 12 week review

This is a review of the Under/Overs Against the Odds system that has been running now for 12 weeks.

It started with only OVER 2.5 goals selections for the first 3 weeks. UNDER 2.5 goals where then included from week 4 onwards.

The review of how the system was performing after week 7 highlighted that changing from a level-stakes staking plan would benefit things so this have been implemented.

ATO System Performance after 12 weeks 

The initial three-weeks delivered relatively high levels of profits each week. That was then followed by a period of 7 weeks where we saw the first losing weeks. The profits where much more modest but reassuringly we still managed to come out of that period around £100 up. The last 2 weeks have both been profitable and given us £191. (All the profit figures are based on £10 staking points)

The Strike rate is still above 50% which is really good because our Average Winning Odds (AWO) is 2.16. A 51% SR in combination with an AWO of 2.16 means a profitable system.

During the period of 85 days the system has been running there have 38 winnings days and 23 losing days. There were no selections on the remained of the days.

The longest winning days streak has been 5 and the longest losing days streak is 3.

Example of 51% SR combined with 2.16 AWO using £1 level stakes

  • A SR of 51% would mean, on average, 51 winners and 49 losers every 100 bets
  • Using level-stake £1 bets 51 winners at odds of 2.16 would give £59.16 profit
  • 49 Losers would give £49 loss
  • £59.16 profit minus £49 loss leaves £10.16 profit
  • At £1 level stakes £10.16 profit on £100 invested is just over 10% ROI.


What next for the Future?

With a very decent 15% ROI I’m happy to leave things the way they are for now and see how the system holds up over the next few months.



I'm Rob, I have an M.Sc. In Mathematics and Computer Science and I am the creator & writer of TheBetInvestor. I provide honest independent assessments of sports tipsters based on statistical and financial investment analysis. My aim is to find profitable tipsters and help you safely navigate the murky waters of the online sports tips world.

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