Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2015

Investments, All Other Investments [Abstract]

Net Unrealized Gains on Open Contracts and Longest Contract Maturities

The net unrealized gains on open contracts, reported as a component of “Trading Equity” on the Statements of Financial Condition, and their longest contract maturities were as follows:

	Net Unrealized Gains on Open Contracts							Longest Maturities
Date	Exchange-Traded		Off-Exchange-Traded			Total		Exchange-Traded	Off-Exchange-Traded
	$		$			$
Mar. 31, 2015		2,628,528		(608,048	)		2,020,480	Jun. 2019	Jun. 2015
Dec. 31, 2014		5,296,681		495,854			5,792,535	Mar. 2019	Mar. 2015