Why Bank Increase % Is A Better Measure Of Performance Than ROI

Betfair Trading Community Podcast · Mar 5, 2026 · 18m

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Most Betfair traders obsess over ROI.

They compare 8% vs 12%.

They chase the highest number.

They think bigger ROI means better performance.

It doesn’t.

In this episode, I break down why bank increase % is the metric that actually matters if you care about growing a serious trading bank.

We cover:

Why ROI is incomplete (and often misleading)

How stake sizing changes everything

The hidden trap of “high ROI” strategies

Why professionals think in capital growth, not per-trade returns

How compounding quietly beats flashy numbers

What you should really be tracking each month

If…