基本解釋[經(jīng)濟學(xué)]做多頭投機英漢例句權(quán)威例句Out-of-the-money puts on the index are generally more expensive than equally OTM calls because more investors want to protect their stock portfolios on the downside by buying puts than tend to speculate on a rise in the index.FORBES: Weight the Optionsspeculate on a rise更多例句專業(yè)釋義經(jīng)濟學(xué)做多頭投機