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  • 期刊

The Relative Rate of Price Discovery and Liquidity between the Regular-sized Taiwan Index Futures and Mini Contract

台指期貨與迷你台指期貨契約的相對價格發現與流動性

摘要


本文主要是探討期貨流動性假說的價格領先行為,交易量的強度對價格發現有正向的影響。我們使用日內資料比較一班的台指期貨契約和迷你台紙契約的價格發現功能,在運用資料配對技術來區分流動性對價格發功能的反應,我們發現台指期貨契約的資訊份額有顯著的部分(平均約13%)歸因於高強度的交易平率,同時台指期貨契約的資訊領導傾向也在台指期貨契約交易量相對迷你台指增加時獲得增強的情形。

並列摘要


This article examines the liquidity hypothesis of price leadership, which suggests a positive influence of trading intensity to price discovery. We compare intraday price discovery between two futures contracts: the regular-sized Taiwan index futures (TX) and its mini contracts (MTX). Using data matching techniques to distinguish the impact of liquidity on price discovery, we find that a nontrivial portion (average 13%) of the TX information share can be attributable to its higher trading frequency. In addition, the information leading tendency of TX strengthens when the TX trading volume rises relative to the MTX volume.

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