The empirical results show that the volume has positive and the open interest has negative impact on volatility of returns respectively.

实证结果表明，交易量与期货价格收益之间具有正向关系，空盘量与期货价格收益之间具有负向关系。

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Many places of interest are open to visitors for free during the Spring Festival.

春节期间，许多名胜对游客免费开放。

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In both closed-source and open source ecosystems, the participants have common interest.

在封闭源代码和开源生态系统中，参加者有共同利益。

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The open interest on gold and copper almost doubled from their lows earlier this year.

FORBES: Magazine Article

Gero is keen to see what the open interest levels will be in the Comex gold futures once the session ends.

FORBES: METALS OUTLOOK: Gold Weakness Could Continue Next Week

Digging into the open interest configuration, peak call accumulations for the August and September series of options reside at the out-of-the-money 60 strike, representing more than 17, 000 contracts.

FORBES: Beverage Stocks Lose Their Fizz