You wrote arbing and spread betting but one has nothing to do with the other. If you have experience in trading that would be more like it. If you were successful at trading, not arbing, any sport market you might stand a chance at spread betting given that you'll learn your market well enough. Interesting fact is that according to FSA 82% of spread betting traders lose money (one year scale) which mean that 18% win or at least break even. That's more percentage-wise than the alleged number of ppl winning in sport betting ... Food for thought...
