Here is Bitcoin’s return in 2025 measured in USD and in EUR, and why the currency can change (a lot) how you read your performance.BTC 2025 return: USD vs EURUsing closes from Dec 31, 2024 to Dec 31, 2025:BTC in USDDec 31, 2024: $93,460.42Dec 31, 2025: $87,501.952025 return (USD): (87,501.95/93,460.42)−1(87,501.95 / 93,460.42) - 1(87,501.95/93,460.42)−1 ≈ -6.37% (Consistent with external estimates around ~-6.33% / -6.34%)BTC in EURDec 31, 2024: €90,074.43Dec 31, 2025: €74,500.962025 return (E...