This paper investigates basis spreads on index futures listed on the Taiwan Futures Exchange. We analyze the role of speculators and of informed trading in Taiwan's futures market using intraday data during the five-day pre-expiration period. We demonstrate that liquidity, volatility, and...

Cash-futures basis, a proxy for arbitrage opportunities, is examined, and the impact of informed trading and the changing roles of speculators and arbitrageurs are analyzed in both the non-expiration and near-expiration periods. While we observe that market frictions account to some extent for...