US Dollar / South Korean Won vs US Dollar / Brazilian Real

US Dollar / South Korean Won (USD/KRW) and US Dollar / Brazilian Real (USD/BRL) compared side by side. Over the past 90 days, USD/BRL is ahead by 18.2 percentage points (USD/KRW -13.2% against USD/BRL +5.1%). Their daily returns move barely together (correlation 0.30 across 284 shared trading days). USD/BRL has been the more volatile of the two, at 17% annualised against USD/KRW's 12%.

Correlation: 0.30
Ahead over 90 days: USD/BRL

US Dollar / South Korean WonUSD/KRW

$1,344.59

24h: +0.13%
Market cap: —
Volume 24h: —
Volatility (ann.): 12%

US Dollar / Brazilian RealUSD/BRL

$5.4934

24h: +1.02%
Market cap: —
Volume 24h: —
Volatility (ann.): 17%

Performance

USD/KRWUSD/BRL

7 days+1.42%+7.65%USD/BRL
30 days-0.41%+6.60%USD/BRL
90 days-13.16%+5.06%USD/BRL

Correlation

0.30over 284 shared trading days

−1 opposite0 unrelated+1 in step

7d: insufficient data30d: 0.1390d: 0.201y: insufficient data

Measured on daily returns rather than on prices. Two assets that both simply trend upward score near 1.0 on raw prices whether or not they move together, so returns are what answer the question people mean by correlation.

Risk & extremes

Metric	USD/KRW	USD/BRL
Max drawdown (400d)	-15.0%	-12.2%
Risk-adjusted return (90d)	-1.12	0.23

Relative strength over 90 days: USD/BRL outperformed USD/KRW by 17.3% — measured on the USD/KRW/USD/BRL ratio, so it holds regardless of market direction.

US Dollar / South Korean Won →US Dollar / Brazilian Real →