Title

Price Clustering on the Shanghai Stock Exchange

Document Type

Article

Publication Date

6-30-2017

Publication Title

Applied Economics

Keywords

culture, G14, G15, negotiation

Disciplines

Business | Finance and Financial Management

Abstract

We investigate price clustering of intraday trades and negotiated block trades on the Shanghai Stock Exchange (SSE) from 2003 to 2009. Prices of traded assets tend to cluster on certain final digits, such as 0 and 5. In Chinese culture, 8 is associated with good luck and 4 with death so
these numbers may be attractive or avoided. We find that price clustering on the final digit of 0 is significantly higher during the morning call auction and early in the trading day. We find no evidence of price clustering for the digit 8, but there is a significant dearth of prices ending in the
inauspicious number 4. Price clustering is significantly higher for negotiated block trades, for which about 28% end with 0. Multivariate analysis shows that price clustering is lower for more liquid firms, but higher for firms with higher return volatility, a higher price level, or when the market is volatile. Our evidence supports the costly negotiation hypothesis. Our results also support the attraction hypothesis in that we document significant price clustering at round numbers and even numbers even after controlling for factors that are associated with price uncertainty.

DOI

10.1080/00036846.2016.1248284

Volume

49

Issue

28

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