Filed Pursuant to Rule 424(b)(3)
Registration No. 333-155800

October 2011 Performance Update

The Frontier Fund Supplement Dated October 31, 2011 to Prospectus Dated April 30, 2011.

The Frontier Fund Class 1 Original

T H E   F R O N T I E R   F U N D ’ S   G O A L : To provide you - the investor - with a managed futures product that, over the long term, provides attractive returns, reduces volatility, and improves the overall performance of your investment portfolio.

October performance for the various Series of The Frontier Fund is detailed below:*

The Frontier Fund Class 1 Original	October 31, 2011 MTD	October 31, 2011 YTD	NAV/Unit
Balanced Series-1	-2.96%	-7.31%	$	122.30
Balanced Series-1a	-3.06%	-8.29%	$	106.71
Berkeley/Graham/Tiverton Series-1	-5.26%	-15.32%	$	93.54
Currency Series-1	-4.13%	-12.59%	$	69.13
Long/Short Commodity Series-1	0.66%	3.60%	$	137.50
Winton/Graham Series-1	-6.37%	-11.47%	$	106.09
Winton Series-1	-2.89%	2.16%	$	137.95
Long Only Commodity Series-1	8.24%	-7.07%	$	87.46
Managed Futures Index Series-1	-11.71%	-8.08%	$	108.43

Additional information, including monthly rates of return, concerning the aforementioned Series and the Trading Advisor(s) is contained in the Prospectus and the respective Series Appendix to the Prospectus.

* The above table sets forth the actual performance for the Class and Series as of October 31, 2011. Actual gross trading performance (gross realized and unrealized gain/loss before deduction for trading commissions and fees, management fees, any other expense, and before addition of interest income) is adjusted for the trading expenses, management fees, initial service fees, on-going service fees, and interest income of the applicable Series.

THIS INSERT MUST BE ACCOMPANIED OR PRECEDED BY THE CURRENT PROSPECTUS OF THE FRONTIER FUND

PAST PERFORMANCE IS NOT INDICATIVE OF FUTURE RESULTS

THE FRONTIER FUND BALANCED SERIES - 1

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

October 31, 2011

(Unaudited)

	Current Period
INCOME
Realized trading gain/(loss)	$	(3,763,813.63	)
Unrealized trading gain/(loss)		(1,712,792.63	)
Less: commissions		(252,914.49	)
Less: FCM fees		(79,233.68	)
Foreign currency gain/(loss)		782,341.08
Interest income		30,276.92
Total Income		(4,996,136.43	)
EXPENSES
Management fees		163,151.46
Incentive fees		82,895.47
Broker service fees		481,485.20
Total Expenses		727,532.13
Net Income (Loss)	$	(5,723,668.56	)

	Units			Dollars			$'s per unit
STATEMENT OF CHANGES IN NET ASSET VALUE
Net Asset Value, end of prior month		1,538,493.35598		$	193,899,554.42			126.03
Current month additions		370.10028			45,292.47
Current month redemptions		(12,664.46089	)		(1,562,929.02	)
Net Income (loss) for current month					(5,723,668.56	)
Net Asset Value, end of current month		1,526,198.99537		$	186,658,249.31			122.30
		Monthly rate of return						-2.96	%

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/ S. Brent Bales

S. Brent Bales, Chief Accounting Officer of the Managing Owner

Equinox Fund Management LLC

1775 Sherman Street, Suite 2500

Denver, Colorado 80203

On Behalf of the Frontier Fund - Balanced Series 1

THE FRONTIER FUND BALANCED SERIES - 1a

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

October 31, 2011

(Unaudited)

	Current Period
INCOME
Realized trading gain/(loss)	$	(66,412.11	)
Unrealized trading gain/(loss)		(28,796.55	)
Less: commissions		(4,398.78	)
Less: FCM fees		(1,379.63	)
Foreign currency gain/(loss)		13,632.81
Interest income		3,919.56
Total Income		(83,434.70	)
EXPENSES
Trading fees		6,908.27
Management fees		2,841.12
Incentive fees		1,423.24
Broker service fees		8,382.96
Total Expenses		19,555.59
Net Income (Loss)	$	(102,990.29	)

	Units			Dollars			$'s per unit
STATEMENT OF CHANGES IN NET ASSET VALUE
Net Asset Value, end of prior month		30,856.64951		$	3,396,803.69			110.08
Current month additions		2.68629			287.01
Current month redemptions		(697.37664	)		(75,474.54	)
Net Income (loss) for current month					(102,990.29	)
Net Asset Value, end of current month		30,161.95916		$	3,218,625.87			106.71
		Monthly rate of return						-3.06	%

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/ S. Brent Bales

S. Brent Bales, Chief Accounting Officer of the Managing Owner

Equinox Fund Management LLC

1775 Sherman Street, Suite 2500

Denver, Colorado 80203

On Behalf of the Frontier Fund - Balanced Series 1a

THE FRONTIER FUND BERKELEY/GRAHAM/TIVERTON SERIES - 1

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

October 31, 2011

(Unaudited)

	Current Period
INCOME
Realized trading gain/(loss)	$	(1,319,672.58	)
Unrealized trading gain/(loss)		(505,174.24	)
Less: commissions		(39,276.00	)
Less: FCM fees		(16,268.10	)
Foreign currency gain/(loss)		15,812.43
Interest income		11,923.66
Total Income		(1,852,654.83	)
EXPENSES
Management fees		138,009.32
Incentive fees		21.03
Broker service fees		98,731.33
Total Expenses		236,761.68
Net Income (Loss)	$	(2,089,416.51	)

	Units			Dollars			$'s per unit
STATEMENT OF CHANGES IN NET ASSET VALUE
Net Asset Value, end of prior month		405,824.52633		$	40,068,730.38			98.73
Current month additions		42.41024			4,059.65
Current month redemptions		(5,712.91844	)		(554,246.50	)
Net Income (loss) for current month					(2,089,416.51	)
Net Asset Value, end of current month		400,154.01813		$	37,429,127.02			93.54
		Monthly rate of return						-5.26	%

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/ S. Brent Bales

S. Brent Bales, Chief Accounting Officer of the Managing Owner

Equinox Fund Management LLC

1775 Sherman Street, Suite 2500

Denver, Colorado 80203

On Behalf of the Frontier Fund - Berkeley/Graham/Tiverton Series 1

THE FRONTIER FUND CURRENCY SERIES - 1

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

October 31, 2011

(Unaudited)

	Current Period
INCOME
Realized trading gain/(loss)	$	—
Unrealized trading gain/(loss)		(177,926.00	)
Less: FCM fees		(1,859.78	)
Interest income		2,116.15
Total Income		(177,669.63)
EXPENSES
Management fees		—
Incentive fees		—
Broker service fees		11,356.63
Total Expenses		11,356.63
Net Income (Loss)	$	(189,026.26	)

	Units			Dollars			$'s per unit
STATEMENT OF CHANGES IN NET ASSET VALUE
Net Asset Value, end of prior month		64,031.04754		$	4,617,402.75			72.11
Current month additions		65.92447			4,612.89
Current month redemptions		(1,658.50329	)		(116,450.09	)
Net Income (loss) for current month					(189,026.26	)
Net Asset Value, end of current month		62,438.46872		$	4,316,539.29			69.13
		Monthly rate of return						-4.13	%

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/ S. Brent Bales

S. Brent Bales, Chief Accounting Officer of the Managing Owner

Equinox Fund Management LLC

1775 Sherman Street, Suite 2500

Denver, Colorado 80203

On Behalf of the Frontier Fund - Currency Series 1

THE FRONTIER FUND LONG/SHORT COMMODITY SERIES - 1

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

October 31, 2011

(Unaudited)

	Current Period
INCOME
Realized trading gain/(loss)	$	(187,675.44	)
Unrealized trading gain/(loss)		304,972.25
Less: commissions		(5,533.25	)
Less: FCM fees		(3,672.25	)
Foreign currency gain/(loss)		(78.50	)
Interest income		12,427.82
Total Income		120,440.63
EXPENSES
Management fees		40,755.36
Incentive fees		4,267.25
Broker service fees		22,278.16
Total Expenses		67,300.77
Net Income (Loss)	$	53,139.86

	Units			Dollars			$'s per unit
STATEMENT OF CHANGES IN NET ASSET VALUE
Net Asset Value, end of prior month		65,844.65936		$	8,994,337.47			136.60
Current month additions		26.43714			3,562.27
Current month redemptions		(4,046.99214	)		(550,090.43	)
Net Income (loss) for current month					53,139.86
Net Asset Value, end of current month		61,824.10436		$	8,500,949.17			137.50
		Monthly rate of return						0.66	%

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/ S. Brent Bales

S. Brent Bales, Chief Accounting Officer of the Managing Owner

Equinox Fund Management LLC

1775 Sherman Street, Suite 2500

Denver, Colorado 80203

On Behalf of the Frontier Fund - Long/Short Commodity Series 1

THE FRONTIER FUND WINTON/GRAHAM SERIES - 1

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

October 31, 2011

(Unaudited)

	Current Period
INCOME
Realized trading gain/(loss)	$	(1,017,231.20	)
Unrealized trading gain/(loss)		(635,921.81	)
Less: commissions		(15,646.42	)
Less: FCM fees		(11,489.36	)
Foreign currency gain/(loss)		8,989.13
Interest income		19,015.81
Total Income		(1,652,283.85	)
EXPENSES
Management fees		73,599.32
Incentive fees		4.90
Broker service fees		69,560.87
Total Expenses		143,165.09
Net Income (Loss)	$	(1,795,448.94	)

	Units			Dollars			$'s per unit
STATEMENT OF CHANGES IN NET ASSET VALUE
Net Asset Value, end of prior month		249,162.47415		$	28,232,072.28			113.31
Current month additions		68.39982			7,463.42
Current month redemptions		(1,289.51774	)		(141,214.79	)
Net Income (loss) for current month					(1,795,448.94	)
Net Asset Value, end of current month		247,941.35623		$	26,302,871.97			106.09
		Monthly rate of return						-6.37	%

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/ S. Brent Bales

S. Brent Bales, Chief Accounting Officer of the Managing Owner

Equinox Fund Management LLC

1775 Sherman Street, Suite 2500

Denver, Colorado 80203

On Behalf of the Frontier Fund - Winton/Graham Series 1

THE FRONTIER FUND WINTON SERIES - 1

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

October 31, 2011

(Unaudited)

	Current Period
INCOME
Realized trading gain/(loss)	$	(311,220.57	)
Unrealized trading gain/(loss)		(694,461.18	)
Less: commissions		(1,242.76	)
Less: FCM fees		(16,170.70	)
Foreign currency gain/(loss)		20,015.22
Interest income		33,816.75
Total Income		(969,263.24	)
EXPENSES
Management fees		69,323.12
Incentive fees		39.16
Broker service fees		98,207.96
Total Expenses		167,570.24
Net Income (Loss)	$	(1,136,833.48	)

	Units			Dollars			$'s per unit
STATEMENT OF CHANGES IN NET ASSET VALUE
Net Asset Value, end of prior month		277,089.74801		$	39,365,082.94			142.07
Current month additions		137.63751			19,135.06
Current month redemptions		(2,379.79093	)		(331,049.46	)
Net Income (loss) for current month					(1,136,833.48	)
Net Asset Value, end of current month		274,847.59459		$	37,916,335.06			137.95
		Monthly rate of return						-2.89	%

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/ S. Brent Bales

S. Brent Bales, Chief Accounting Officer of the Managing Owner

Equinox Fund Management LLC

1775 Sherman Street, Suite 2500

Denver, Colorado 80203

On Behalf of the Frontier Fund - Winton Series 1

THE FRONTIER FUND LONG ONLY COMMODITY SERIES - 1

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

October 31, 2011

(Unaudited)

	Current Period
INCOME
Realized trading gain/(loss)	$	43,513.16
Unrealized trading gain/(loss)		(297.41	)
Less: commissions		—
Less: FCM fees		(223.02	)
Foreign currency gain/(loss)		—
Interest income		932.95
Total Income		43,925.68
EXPENSES
Management fees		945.16
Incentive fees		—
Broker service fees		907.59
Total Expenses		1,852.75
Net Income (Loss)	$	42,072.93

	Units		Dollars		$'s per unit
STATEMENT OF CHANGES IN NET ASSET VALUE
Net Asset Value, end of prior month		6,316.67682	$	510,370.87		80.80
Current month additions		0.98372		84.21
Current month redemptions		—		—
Net Income (loss) for current month				42,072.93
Net Asset Value, end of current month		6,317.66054	$	552,528.01		87.46
		Monthly rate of return				8.24	%

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/ S. Brent Bales

S. Brent Bales, Chief Accounting Officer of the Managing Owner

Equinox Fund Management LLC

1775 Sherman Street, Suite 2500

Denver, Colorado 80203

On Behalf of the Frontier Fund - Long Only Commodity Series 1

THE FRONTIER FUND MANAGED FUTURES INDEX SERIES - 1

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

October 31, 2011

(Unaudited)

	Current Period
INCOME
Realized trading gain/(loss)	$	(29,671.33	)
Unrealized trading gain/(loss)		(16,142.29	)
Less: commissions		(65.08	)
Less: FCM fees		(155.44	)
Foreign currency gain/(loss)		800.52
Interest income		669.82
Total Income		(44,563.80	)
EXPENSES
Management fees		634.07
Incentive fees		—
Broker service fees		624.38
Total Expenses		1,258.45
Net Income (Loss)	$	(45,822.25	)

	Units			Dollars			$'s per unit
STATEMENT OF CHANGES IN NET ASSET VALUE
Net Asset Value, end of prior month		3,209.63446		$	394,171.50			122.81
Current month additions		—			—
Current month redemptions		(64.72053	)		(7,346.88	)
Net Income (loss) for current month					(45,822.25	)
Net Asset Value, end of current month		3,144.91393		$	341,002.37			108.43
		Monthly rate of return						-11.71	%

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/ S. Brent Bales

S. Brent Bales, Chief Accounting Officer of the Managing Owner

Equinox Fund Management LLC

1775 Sherman Street, Suite 2500

Denver, Colorado 80203

On Behalf of the Frontier Fund - Managed Futures Index Series 1