Did the asset earn it, or the exchange rate?
Every purchase is converted at the ECB rate of its own day, and your return splits into what the price did and what the currency did.
- You paid (purchase-day rates)
- £6,185.45
- Exchange-rate effect (−0.76 pts)
- −£46.83
- Asset effect (+17.98 pts)
- +£1,112.07
- Worth today
- £7,250.69
Prices added 17.98 points; the exchange rate took back 0.76 of them.