I would imagine that the prices update automatically when the exchange rate changes.Actually, it looks like it’s the exchange rate, they are charging less for USD compared to GBP and more for AUD to GBP. Probably smoothing to make up for losses.
I thought so too but then that would mean daily/weekly fluctuations which I haven’t seen. It looks like the exchange rate on their website only changes when there is a major shift in currency for a certain country.I would imagine that the prices update automatically when the exchange rate changes.