Using the Commodity Futures Trading Commission's Commitments of Traders data, considering both the generalized autoregressive conditional heteroskedasticity (GARCH) and the power ARCH volatility-based models, it has been found that the lagged volatility and the news about volatility from the...

Purely speculative derivatives (PSDs) are derivatives in which neither counterparty is engaged in hedging. Unless used for entertainment purposes, PSDs are irrational, less-than-zero-sum transactions. Entities that engage in PSDs jeopardize their stakeholders and increase systemic risk. PSDs can...