1. Apperson, G. P. (2017). Agricultural Commodity Futures Price Volatility: A Market Regulatory Policy.
2. Brooks, C. (2008). Introductory Econemetrics for Finance. Cambridge.
3. Brunetti, C., Büyükşahin, B., & Harris, J. H. (2011). Speculators, Prices and Market Volatility.
4. CFTC. (2018). Agency Financial Report.
5. CFTC. (2018a). Commitments of Traders Report.