Wild volatility, cybersecurity, and medical devices: These were the 11 best-performing ETFs of 2018

Ticker: HACK

Assets under management: $1.4 billion

2018 return: +5.25%

2018 investments in the fund: +$253 million

Data provided by Bloomberg.

Ticker: SH

Assets under management: $2.1 billion

2018 return: +7%

2018 investments in the fund: +$641 million

Data provided by Bloomberg.

Ticker: TBT

Assets under management: $1.2 billion

2018 return: +7.5%

2018 investments in the fund: -$946 million

Data provided by Bloomberg.

Ticker: PSCH

Assets under management: $850 million

2018 return: +8%

2018 investments in the fund: +$704 million

Data provided by Bloomberg.

Ticker: UUP

Assets under management: $519 million

2018 return: +8%

2018 investments in the fund: -$61 million

Data provided by Bloomberg.

Ticker: IHF

Assets under management: $890 million

2018 return: +8.3%

2018 investments in the fund: +$460 million

Data provided by Bloomberg.

Ticker: SDS

Assets under management: $962 million

2018 return: +10%

2018 investments in the fund: -$127 million

Data provided by Bloomberg.

Ticker: IGV

Assets under management: $1.7 billion

2018 return: +10%

2018 investments in the fund: $557 million

Data provided by Bloomberg.

Ticker: IHI

Assets under management: $2.6 billion

2018 return: +12%

2018 investments in the fund: $984 million

Data provided by Bloomberg.

Ticker: TVIX

Assets under management: $597 million

2018 return: +27%

2018 investments in the fund: $56 million

Data provided by Bloomberg.

Ticker: VXX

Assets under management: $925 million

2018 return: +68%

2018 investments in the fund: -$931 million

Data provided by Bloomberg.