For most of the week, a dollar has cost over $10.80 and has even flirted with the $11 limit. One euro costs over SEK 11.5. Both values are historically weak quotations for the Swedish krona.

The last time the euro cost over SEK 11 was in 2009 and to find a time when the American currency was close to this expensive for Swedes, you have to go back to 2002.

The weak krona makes it extra expensive to holiday abroad because you get less for your money. When the prices of imported goods rise, domestic trade in Sweden also suffers and consumers have less money left in their wallets.

They win on the weak krona

Whoever is paid in a stronger foreign currency thus becomes the winner in the current foreign exchange market. For example, Swedish export companies or Swedes who work in Denmark but trade in Sweden. The Danish krone costs around 1.5 Swedish kroner right now. 2009 was the last time the Swedish krona was anywhere near as weak against the Danish.

"But it also means that it will have the opposite effect the day the Swedish krona starts to turn upwards," says Shoka Åhrman, savings economist at SPP.

However, Swedish commuters working on the other side of the Norwegian border are not winners right now. Over the past year, the Norwegian krone has performed even worse than the Swedish krona. Now a Norwegian krone costs about 0.97 Swedish kronor.

Hear more about the winners and losers in the forex market in the clip above.