It is merely a long volatility contract.
它仅是一项长期波动的合同。
Previous studies indicate that the volatility process of financial market has a distinctive long memory.
已有研究结果表明金融市场波动过程具有显著的长期记忆性。
And the medium and long term, stock price volatility can be expected.
而从中长期来看，股票价格的波动是可预期的。
And the medium and long term, stock price volatility can be expected.
而从中长期来看，股票价格的波动是可预期的。
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