ETF的波动性——资本投资组合总是跌宕起伏的，这种行业资本受到关注。举例来说，如果预期某段时间股市会下跌，低波动的ETF对减少风险和保护投资资本是有益的。对于构建长期投资组合，它们也可以是有吸引力的工具。

CVOL - C-Tracks Citi Volatility Index Total Return ETN

IVOP - iPath Inverse S&P 500 VIX Short-Term Futures TM ETN (II)

SVXY - ProShares Short VIX Short-Term Futures ETF

TRSK - VelocityShares Tail Risk Hedged Large Cap ETF

TVIX - VelocityShares Daily 2x VIX Short-Term ETN

TVIZ - VelocityShares Daily 2x VIX Medium-Term ETN

UVXY - ProShares Ultra VIX Short-Term Futures ETF

VIIX - VelocityShares Daily Long VIX Short-Term ETN

VIIZ - VelocityShares Daily Long VIX Medium-Term ETN

VIXM - ProShares VIX Mid-Term Futures ETF

VIXY - ProShares VIX Short-Term Futures ETF

VXX - iPath S&P 500 VIX Short-Term Futures ETN

VXZ - iPath S&P 500 VIX Mid-Term Futures ETN

XIV - VelocityShares Daily Inverse VIX Short-Term ETN

XVIX - E-TRACS Daily Long-Short VIX ETN

XVZ - iPath S&P 500 Dynamic VIX ETN

XXV - iPath Inverse S&P 500 VIX Short-Term Futures ETN