The Chicago Mercantile Exchange reduced the size of its S&P 500 futures contract when it reduced the multiplier from 500 to 250 and increased the minimum tick from 0.05 to 0.10 on November 3, 1997. This is a rare major change in a very successful contract's specifications. We analyze effects of...

The Volume-Synchronized Probability of Informed Trading (VPIN) metric is proposed by Easley et al. (2011, 2012) as a real-time measure of order flow toxicity in an electronic trading market. This paper examines the performance of VPIN around inventory announcements and price jumps in crude oil...

This paper employs a unique data set to investigate the total price, liquidity and information effects of large institutional trades versus individual trades on three futures contracts traded on the Taiwan Futures Exchange. Several interesting results are obtained. We find that, for the entire...

This paper studies the common jump dynamics in natural gas futures and spot markets within a bivariate autoregressive jump intensity-GARCH framework (BARJI-GARCH). We particularly examine the role of weather as a short-run demand factor and inventory as a short-run supply factor in explaining...

This paper applies a nonparametric method based on realized and bipower variations calculated from intraday data to identify jumps in daily futures prices of crude oil, heating oil and natural gas contracts traded on the New York Mercantile Exchange. The sample period of our intraday data covers...