Other exchanges like Betaq would give their left one for the turnover that they ignorantly snear at.

Without traders , most markets would be 125%

Have a look at the NZ market percentage.

Its very high .

Thats what it look like when there is no trading.

All exchanges rely on liquidity to make the market happen.

Their min bet of $5 is 67% higher in Aust than it is in the UK .

Why?

Why do they bother with dicounting the commission for that matter, I thought it was all about the money, half a percent discount is not worth the infrastructure set up to account for it.
If it was a flat 5% , they could afford to keep the traders on board.

I thought computers did all the work anyway , so it costs the same whether they are going or turned off.

If it worries them that much , why not slow their processors down if they want to drive traders away,
The standard punter does not need 200 updates a second.
I personally use 1 update per 2 seconds.

__________________
Cheers.