The answer was the development of “synthetic ETFs” and related products such as exchange-traded notes (ETNs).

于是就形成了“综合型交易所交易基金”及其相关产物，如交易所买卖票据（ETNs）。

youdao

But double-long agriculture commodity ETNs is probably where we might want to start drawing the line.

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According to XTF.com, eight ETNs were trading at premiums of 5% or more this week.

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Retail investors also have the option of investing in ETFs and ETNs, based on Indian stocks.

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