> The exchange rate kinda looks like the mountains in your avatar actually.
Not really, I've only noticed the price change twice this month. And its always around the 0.5 $
thats because are directly influenced on each monetary system is paid in, which in each country is different every week. same for Eur-Pound-USD fluctuations.
seen same thing overtime and most of times, are pretty much the same, and X3M thats why i was saying that % is seem to be stuck for me in store for a reason... but i looked deeper and its slightly changing from days/weeks on purchases, and from currency to currency.
so yea i guess Kyatric answered it the most accurate