Fast trading and fragmentation of volume make equity markets complex, leading retail and institutional investors to demand sophisticated brokerage services. In a sample of stock transactions in Swedish large-cap firms, we find that brokers who show high trading sophistication when trading their...

A VIX futures calendar spread involves buying a futures contract maturing in one month and selling another one maturing in a different month. VIX futures calendar spreads represent a daily turnover above 500 million dollars, or roughly 20% of the total VIX futures trading volume. A calendar...

Recently, the Shanghai Futures Exchange (SHFE) introduced gold futures trading in China. This paper is the first to study the SHFE gold futures, and to evaluate the futures hedging effectiveness since the introduction. The results show that hedging with gold futures reduces the variance of a...

This paper investigates how the introduction of a closing call auction in the OMXS 30 index futures market influences market quality and price accuracy. Index futures markets are characterized by traders with no or little private information. Limit order book models where trader patience (rather...

In April, 2006, the newly established Thailand Futures Exchange (TFEX) launched the SET 50 index futures contract as its first traded product. The launch provides this study with a unique opportunity to investigate the development of liquidity and trading activity on an emerging futures market....

This study presents a model for estimating the asymmetry of the futures price with respect to the futures bid-ask spread. Using data from the Swedish OMXS 30 index futures market, estimation results show clear evidence of futures price asymmetry, where the futures price in general tends to be...

The regulatory debate concerning high-frequency trading (HFT) emphasizes the importance of distinguishing different HFT strategies and their influence on market quality. Using data from NASDAQ-OMX Stockholm, we compare market-making HFTs to opportunistic HFTs. We find that market makers...

We examine the effects from the Trading At Settlement (TAS) introduction on VIX futures market quality. We find that the VIX futures market exhibits higher trading activity and better liquidity after the TAS introduction. VIX futures traders use the TAS limit order book to execute large...

This is the internet appendix for "How Aggressive are High-Frequency Traders". The paper "How Aggressive are High-Frequency Traders" to which these Appendices apply is available at the following URL: "http://ssrn.com/abstract=2326446" http://ssrn.com/abstract=2326446

Recently, the OMX Stockholm Exchange changed the OMXS 30 index futures contract specifications. Before the change, the futures contract was settled forward style, at maturity only, and was not marked-to-market on a daily basis. Following the contract redesign, the contract is subject to daily...