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Title: | Does the liquidity of underlying stocks affect the liquidity of derivatives? Evidence from a natural experiment | Authors: | Li, G | Issue Date: | Mar-2016 | Source: | China accounting and finance review (中國會計與財務硏究), Mar. 2016, v. 18, no. 1, p. 1-21 | Abstract: | This paper documents a significant positive impact of the liquidity of underlying stocks on the liquidity of derivative securities on the basis of a sample of options and derivative warrants traded in Hong Kong. The study relies on an exogenous change in the liquidity of underlying stocks, namely, the tick size reduction implemented by the Hong Kong Stock Exchange (HKEx), which significantly reduces the bid-ask spreads of underlying stocks. The bid-ask spreads of derivative securities are also significantly reduced, especially those less liquid and with a greater inventory risk. The results of the paper are consistent with the derivative hedging theory of Cho and Engle (1999) and shed light on the sources of the liquidity of derivative securities. 本文用香港期权和衍生认股权证的样本,阐明了标的股票的流动性对衍生证券的流动性有着显著正向的影响。该研究依赖于标的股票流动性的外生变化,即香港联交所实施的报价单位的减少。这项措施显著降低了标的股票的买卖价差。衍生证券的买卖价差也显著减少,特别是流动性差的及库存风险大的衍生证券。本文的结果与 Choand Engle(1999)的衍生证券对冲理论一致,并揭示了衍生证券流动性的来源。 |
Keywords: | Liquidity Options Derivative warrants Hedging Inventory risk |
Publisher: | Hong Kong Polytechnic University | Journal: | China accounting and finance review (中國會計與財務硏究) | ISSN: | 1029-807X | EISSN: | 2307-3055 | DOI: | 10.7603/s40570-016-0001-x | Rights: | © The Author(s) 2016. This article is published with open access by The Hong Kong Polytechnic University Posted with permission of the author. |
Appears in Collections: | Journal/Magazine Article |
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