Fei USD vs Tether

Tether (USDT) is 46683.2× the size of Fei USD (FEI) by market capitalisation. Over the past 30 days, FEI is ahead by 1.5 percentage points (FEI +1.4% against USDT -0.1%). Their daily returns move closely together (correlation 0.80 across 30 shared trading days). FEI has been the more volatile of the two, at 18% annualised against USDT's 1%.

Correlation: 0.80
Size ratio: 1 : 46683.2
Ahead over 30 days: FEI

Fei USDFEI

$0.999027

24h: -0.00%
Market cap: $3.82M
Volume 24h: $2,043
Volatility (ann.): 18%

TetherUSDT

$0.999009

24h: +0.04%
Market cap: $178.20B
Volume 24h: $49.39B
Volatility (ann.): 1%

FEI 0.0%Share of the two combined market caps100.0% USDT

Performance

FEIUSDT

7 days+1.27%+0.03%FEI
30 days+1.40%-0.08%FEI

Correlation

0.80over 30 shared trading days

−1 opposite0 unrelated+1 in step

7d: insufficient data30d: 0.8090d: insufficient data1y: 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	FEI	USDT
Max drawdown (400d)	-2.9%	-0.2%
Risk-adjusted return (90d)	0.08	-0.03

Relative strength over 90 days: FEI outperformed USDT by 1.5% — measured on the FEI/USDT ratio, so it holds regardless of market direction.

Fei USD →Tether →