Statements of Income and Expenses and Changes in Partners' Capital (Unaudited) (USD $)	3 Months Ended				6 Months Ended
	Jun. 30, 2011		Jun. 30, 2010		Jun. 30, 2011		Jun. 30, 2010
Investment Income:
Interest income allocated from Master	$ 11,153		$ 127,010		$ 78,792		$ 187,170
Expenses:
Expenses allocated from Master	182,561		403,718		453,644		645,271
Brokerage fees	2,851,479		4,765,147		6,096,120		9,437,852
Management fees	1,515,652		2,533,101		3,240,254		5,016,895
Administrative fees	378,913		633,275		810,063		1,254,224
Other	95,416		73,078		182,443		144,603
Total expenses	5,024,021		8,408,319		10,782,524		16,498,845
Net investment income (loss)	(5,012,868)		(8,281,309)		(10,703,732)		(16,311,675)
Trading Results:
Net realized gains (losses) on closed contracts allocated from Master	(2,557,968)		(78,019,555)		(1,169,777)		(45,559,660)
Change in net unrealized gains (losses) on open contracts allocated from Master	17,681,244		29,631,186		28,838,709		(13,281,182)
Total trading results allocated from Master	15,123,276		(48,388,369)		27,668,932		(58,840,842)
Net income (loss)	10,110,408		(56,669,678)		16,965,200		(75,152,517)
Subscriptions - Limited Partners	2,304,101		43,913,000		8,096,026		92,951,000
Redemptions - Limited Partners	(25,225,975)		(12,522,554)		(103,183,189)		(19,092,389)
Redemptions - General Partner	(525,000)		0		(525,000)		0
Net increase (decrease) in Partners' Capital	(13,336,466)		(25,279,232)		(78,646,963)		(1,293,906)
Partners' Capital, beginning of period	312,796,756		494,584,832		378,107,253		470,599,506
Partners' Capital, end of period	$ 299,460,290		$ 469,305,600		$ 299,460,290		$ 469,305,600
Net asset value per unit	$ 1,343.06		$ 1,417.32		$ 1,343.06		$ 1,417.32
Net income (loss) per unit	$ 46.48	[1]	$ (168.96)	[1]	$ 75.97	[1]	$ (228.41)	[1]
Weighted average units outstanding	234,689.3036		331,154.0537		251,710.4688		318,649.9326

[1] Based on change in net asset value per unit.