Condensed Schedule of Investments	Dec. 31, 2019 USD ($) contract	Dec. 31, 2018 USD ($) contract
United States Commodity Index Fund | United States Contracts | NYMEX RBOB Gasoline Futures RB March 2019 contracts, expiring February 2019
Notional Amount		$ 32,779,165
Number of Contracts | contract		595
Value/Unrealized Gain (Loss) on Open Commodity Contracts		$ 7,715
% of Capital		0.00%
United States Commodity Index Fund | United States Contracts | ICE Cotton #2 Futures CT March 2019 contracts, expiring March 2019
Notional Amount		$ 35,489,270
Number of Contracts | contract		906
Value/Unrealized Gain (Loss) on Open Commodity Contracts		$ (2,782,670)
% of Capital		(0.60%)
United States Commodity Index Fund | United States Contracts | CBOT Wheat Futures W March 2019 contracts, expiring March 2019
Notional Amount		$ 37,569,250
Number of Contracts | contract		1,305
Value/Unrealized Gain (Loss) on Open Commodity Contracts		$ (4,732,188)
% of Capital		(1.02%)
United States Commodity Index Fund | United States Contracts | ICE Cocoa Futures CC March 2019 contracts, expiring March 2019
Notional Amount		$ 30,669,380
Number of Contracts | contract		1,370
Value/Unrealized Gain (Loss) on Open Commodity Contracts		$ 2,429,820
% of Capital		0.52%
United States Commodity Index Fund | United States Contracts | COMEX Copper Futures HG March 2019 contracts, expiring March 2019
Notional Amount		$ 33,419,850
Number of Contracts | contract		493
Value/Unrealized Gain (Loss) on Open Commodity Contracts		$ (992,775)
% of Capital		(0.21%)
United States Commodity Index Fund | United States Contracts | NYMEX Heating Oil Futures HO April 2019 contracts, expiring March 2019
Notional Amount		$ 41,084,917
Number of Contracts | contract		466
Value/Unrealized Gain (Loss) on Open Commodity Contracts		$ (8,671,727)
% of Capital		(1.87%)
United States Commodity Index Fund | United States Contracts | COMEX Gold Futures GC April 2019 contracts, expiring April 2019
Notional Amount		$ 33,451,810
Number of Contracts | contract		260
Value/Unrealized Gain (Loss) on Open Commodity Contracts		$ 28,390
% of Capital		0.01%
United States Commodity Index Fund | United States Contracts | CME Live Cattle Futures FC April 2019 contracts, expiring April 2019
Notional Amount		$ 32,451,460
Number of Contracts | contract		664
Value/Unrealized Gain (Loss) on Open Commodity Contracts		$ 1,080,540
% of Capital		0.23%
United States Commodity Index Fund | United States Contracts | CBOT Soybean Meal Futures SM August 2019 contracts, expiring August 2019
Notional Amount		$ 33,445,010
Number of Contracts | contract		1,050
Value/Unrealized Gain (Loss) on Open Commodity Contracts		$ (34,010)
% of Capital		(0.01%)
United States Commodity Index Fund | United States Contracts | CBOT Corn Futures C December 2019 contracts, expiring December 2019
Notional Amount		$ 33,356,287
Number of Contracts | contract		1,682
Value/Unrealized Gain (Loss) on Open Commodity Contracts		$ 73,463
% of Capital		0.02%
United States Commodity Index Fund | Open Futures Contracts - Long | Foreign Contracts
Notional Amount	$ 104,745,986	$ 224,163,754
Number of Contracts	1,661	3,350
Value/Unrealized Gain (Loss) on Open Commodity Contracts	$ (2,603,494)	$ (683,284)
% of Capital	(1.37%)	(0.15%)
United States Commodity Index Fund | Open Futures Contracts - Long | Foreign Contracts | LME Aluminum Futures LA January 2020 contracts, expiring January 2020
Notional Amount	$ 15,995,580
Number of Contracts	366
Value/Unrealized Gain (Loss) on Open Commodity Contracts	$ 376,058
% of Capital	0.20%
United States Commodity Index Fund | Open Futures Contracts - Long | Foreign Contracts | LME Zinc Futures LX January 2020 contracts, expiring January 2020
Notional Amount	$ 15,870,949
Number of Contracts	276
Value/Unrealized Gain (Loss) on Open Commodity Contracts	$ (132,049)
% of Capital	(0.07%)
United States Commodity Index Fund | Open Futures Contracts - Long | Foreign Contracts | ICE Brent Crude Oil Futures CO April 2020 contracts, expiring February 2020
Notional Amount	$ 13,346,390
Number of Contracts	206
Value/Unrealized Gain (Loss) on Open Commodity Contracts	$ 103,350
% of Capital	0.05%
United States Commodity Index Fund | Open Futures Contracts - Long | Foreign Contracts | LME Nickel Futures LN March 2020 contracts, expiring March 2020
Notional Amount	$ 18,627,141
Number of Contracts	189
Value/Unrealized Gain (Loss) on Open Commodity Contracts	$ (2,724,217)
% of Capital	(1.43%)
United States Commodity Index Fund | Open Futures Contracts - Long | Foreign Contracts | LME Zinc Futures LX April 2020 contracts, expiring April 2020
Notional Amount	$ 13,770,894
Number of Contracts	240
Value/Unrealized Gain (Loss) on Open Commodity Contracts	$ (152,394)
% of Capital	(0.08%)
United States Commodity Index Fund | Open Futures Contracts - Long | Foreign Contracts | ICE Gas Oil Futures QS June 2020 contracts, expiring June 2020
Notional Amount	$ 13,567,750
Number of Contracts	225
Value/Unrealized Gain (Loss) on Open Commodity Contracts	$ (140,875)
% of Capital	(0.07%)
United States Commodity Index Fund | Open Futures Contracts - Long | Foreign Contracts | LME Tin Futures LT August 2020 contracts, expiring August 2020
Notional Amount	$ 13,567,282
Number of Contracts	159
Value/Unrealized Gain (Loss) on Open Commodity Contracts	$ 66,633
% of Capital	0.03%
United States Commodity Index Fund | Open Futures Contracts - Long | Foreign Contracts | LME Tin Futures LT January 2019 contracts, expiring January 2019
Notional Amount		$ 42,828,870
Number of Contracts | contract		454
Value/Unrealized Gain (Loss) on Open Commodity Contracts		$ 1,504,230
% of Capital		0.33%
United States Commodity Index Fund | Open Futures Contracts - Long | Foreign Contracts | LME Aluminum Futures LA January 2019 contracts, expiring January 2019
Notional Amount		$ 36,377,145
Number of Contracts | contract		754
Value/Unrealized Gain (Loss) on Open Commodity Contracts		$ (2,018,308)
% of Capital		(0.44%)
United States Commodity Index Fund | Open Futures Contracts - Long | Foreign Contracts | LME Tin Futures LT April 2019 contracts, expiring April 2019
Notional Amount		$ 33,478,866
Number of Contracts | contract		345
Value/Unrealized Gain (Loss) on Open Commodity Contracts		$ 112,790
% of Capital		0.02%
United States Commodity Index Fund | Open Futures Contracts - Long | Foreign Contracts | LME Zinc Futures LX May 2019 contracts, expiring May 2019
Notional Amount		$ 32,946,918
Number of Contracts | contract		536
Value/Unrealized Gain (Loss) on Open Commodity Contracts		$ (10,853)
% of Capital		0.00%
United States Commodity Index Fund | Open Futures Contracts - Long | Foreign Contracts | LME Zinc Futures LX January 2019 contracts, expiring January 2019
Notional Amount		$ 78,531,955
Number of Contracts | contract		1,261
Value/Unrealized Gain (Loss) on Open Commodity Contracts		$ (271,143)
% of Capital		(0.06%)
United States Commodity Index Fund | Open Futures Contracts - Short
Notional Amount		$ 476,508,810
Number of Contracts | contract		16,259
Value/Unrealized Gain (Loss) on Open Commodity Contracts		$ (14,487,984)
% of Capital		(3.13%)
United States Commodity Index Fund | Open Futures Contracts - Short | LME Tin Futures LT January 2019 contracts, expiring January 2019
Notional Amount		$ (41,861,500)
Number of Contracts | contract		454
Value/Unrealized Gain (Loss) on Open Commodity Contracts		$ (2,472,323)
% of Capital		(0.53%)
United States Commodity Index Fund | Open Futures Contracts - Short | LME Aluminum Futures LA January 2019 contracts, expiring January 2019
Notional Amount		$ (34,664,722)
Number of Contracts | contract		754
Value/Unrealized Gain (Loss) on Open Commodity Contracts		$ 301,708
% of Capital		0.06%
United States Commodity Index Fund | Open Futures Contracts - Short | LME Zinc Futures LX January 2019 contracts, expiring January 2019
Notional Amount		$ (79,255,458)
Number of Contracts | contract		1,261
Value/Unrealized Gain (Loss) on Open Commodity Contracts		$ 987,079
% of Capital		0.21%
United States Commodity Index Fund | Open Futures Contracts - Short | Foreign Contracts
Notional Amount	$ (34,945,202)
Number of Contracts	673
Value/Unrealized Gain (Loss) on Open Commodity Contracts	$ 221,715
% of Capital	0.12%
United States Commodity Index Fund | Open Futures Contracts - Short | Foreign Contracts | LME Aluminum Futures LA January 2020 contracts, expiring January 2020
Notional Amount	$ (16,436,388)
Number of Contracts	366
Value/Unrealized Gain (Loss) on Open Commodity Contracts	$ 62,933
% of Capital	0.03%
United States Commodity Index Fund | Open Futures Contracts - Short | Foreign Contracts | LME Zinc Futures LX January 2020 contracts, expiring January 2020
Notional Amount	$ (15,888,926)
Number of Contracts	276
Value/Unrealized Gain (Loss) on Open Commodity Contracts	$ 148,154
% of Capital	0.08%
United States Commodity Index Fund | Open Futures Contracts - Short | Foreign Contracts | LME Nickel Futures LN March 2020 contracts, expiring March 2020
Notional Amount	$ (2,619,888)
Number of Contracts	31
Value/Unrealized Gain (Loss) on Open Commodity Contracts	$ 10,628
% of Capital	0.01%
United States Commodity Index Fund | Open Futures Contracts
Notional Amount	$ 187,533,737
Number of Contracts	4,965
Value/Unrealized Gain (Loss) on Open Commodity Contracts	$ 2,138,868
% of Capital	1.13%
United States Commodity Index Fund | Open Futures Contracts | Foreign Contracts
Notional Amount		$ (155,781,680)
Number of Contracts | contract		2,469
Value/Unrealized Gain (Loss) on Open Commodity Contracts		$ (1,183,536)
% of Capital		(0.26%)
United States Commodity Index Fund | Open Futures Contracts | United States Contracts
Notional Amount	$ 117,732,953	$ 408,126,736
Number of Contracts	2,631	10,440
Value/Unrealized Gain (Loss) on Open Commodity Contracts	$ 4,520,647	$ (12,621,164)
% of Capital	2.38%	(2.72%)
United States Commodity Index Fund | Open Futures Contracts | United States Contracts | CME Lean Hogs Futures LH February 2020 contracts, expiring February 2020
Notional Amount	$ 14,783,310
Number of Contracts	480
Value/Unrealized Gain (Loss) on Open Commodity Contracts	$ (1,069,710)
% of Capital	(0.56%)
United States Commodity Index Fund | Open Futures Contracts | United States Contracts | ICE Coffee-C Futures KC March 2020 contracts, expiring March 2020
Notional Amount	$ 12,630,543
Number of Contracts	285
Value/Unrealized Gain (Loss) on Open Commodity Contracts	$ 1,231,144
% of Capital	0.65%
United States Commodity Index Fund | Open Futures Contracts | United States Contracts | COMEX Copper Futures HG May 2020 contracts, expiring March 2020
Notional Amount	$ 13,502,275
Number of Contracts	191
Value/Unrealized Gain (Loss) on Open Commodity Contracts	$ (146,600)
% of Capital	(0.08%)
United States Commodity Index Fund | Open Futures Contracts | United States Contracts | COMEX Silver Futures SI March 2020 contracts, expiring March 2020
Notional Amount	$ 13,642,920
Number of Contracts	151
Value/Unrealized Gain (Loss) on Open Commodity Contracts	$ (112,565)
% of Capital	(0.06%)
United States Commodity Index Fund | Open Futures Contracts | United States Contracts | NYMEX Platinum Futures PL April 2020 contracts, expiring April 2020
Notional Amount	$ 12,884,950
Number of Contracts	284
Value/Unrealized Gain (Loss) on Open Commodity Contracts	$ 999,810
% of Capital	0.53%
United States Commodity Index Fund | Open Futures Contracts | United States Contracts | NYMEX Heating Oil Futures HO June 2019 contracts, expiring May 2020
Notional Amount	$ 12,441,702
Number of Contracts	162
Value/Unrealized Gain (Loss) on Open Commodity Contracts	$ 971,023
% of Capital	0.51%
United States Commodity Index Fund | Open Futures Contracts | United States Contracts | CBOT Soybean Futures S July 2020 contracts, expiring July 2020
Notional Amount	$ 12,152,022
Number of Contracts	644
Value/Unrealized Gain (Loss) on Open Commodity Contracts	$ 1,511,082
% of Capital	0.79%
United States Commodity Index Fund | Open Futures Contracts | United States Contracts | NYMEX WTI Crude Oil Futures CL September 2020 contracts, expiring August 2020
Notional Amount	$ 12,753,250
Number of Contracts	233
Value/Unrealized Gain (Loss) on Open Commodity Contracts	$ 707,160
% of Capital	0.37%
United States Commodity Index Fund | Open Futures Contracts | United States Contracts | NYMEX RBOB Gasoline Futures RB December 2020 contracts, expiring November 2020
Notional Amount	$ 12,941,981
Number of Contracts	201
Value/Unrealized Gain (Loss) on Open Commodity Contracts	$ 429,303
% of Capital	0.23%
United States Commodity Index Fund | Open Futures Contracts | United States Contracts | CME Feeder Cattle Futures FC March 2019 contracts, expiring March 2019
Notional Amount		$ 33,488,387
Number of Contracts | contract		457
Value/Unrealized Gain (Loss) on Open Commodity Contracts		$ 43,988
% of Capital		0.01%
United States Commodity Index Fund | Open Futures Contracts | United States Contracts | NYMEX Natural Gas Futures NG May 2019 contracts, expiring April 2019
Notional Amount		$ 30,921,950
Number of Contracts | contract		1,192
Value/Unrealized Gain (Loss) on Open Commodity Contracts		$ 928,290
% of Capital		0.20%
United States Commodity Index Fund | Cash Equivalents
Market Value	$ 188,989,355	$ 436,426,995
% of Capital	99.52%	94.25%
United States Commodity Index Fund | Cash Equivalents | United States Treasury Obligations
Market Value	$ 169,489,355	$ 430,026,995
% of Capital	89.25%	92.87%
United States Commodity Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 1.91%, 1/02/2020
Principal Amount	$ 12,000,000
Market Value	$ 11,999,368
% of Capital	6.32%
United States Commodity Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.03%, 1/09/2020
Principal Amount	$ 16,000,000
Market Value	$ 15,992,853
% of Capital	8.42%
United States Commodity Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 1.75%, 1/16/2020
Principal Amount	$ 15,000,000
Market Value	$ 14,989,115
% of Capital	7.89%
United States Commodity Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.04%, 1/23/2020
Principal Amount	$ 5,000,000
Market Value	$ 4,993,837
% of Capital	2.63%
United States Commodity Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.02%, 1/30/2020
Principal Amount	$ 26,000,000
Market Value	$ 25,958,153
% of Capital	13.67%
United States Commodity Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 1.54%, 2/20/2020
Principal Amount	$ 15,000,000
Market Value	$ 14,968,125
% of Capital	7.88%
United States Commodity Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 1.70%, 3/26/2020
Principal Amount	$ 20,000,000
Market Value	$ 19,920,194
% of Capital	10.49%
United States Commodity Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 1.64%, 4/09/2020
Principal Amount	$ 10,000,000
Market Value	$ 9,955,175
% of Capital	5.24%
United States Commodity Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 1.60%, 4/16/2020
Principal Amount	$ 15,000,000
Market Value	$ 14,929,775
% of Capital	7.86%
United States Commodity Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 1.59%, 4/30/2020
Principal Amount	$ 9,000,000
Market Value	$ 8,952,750
% of Capital	4.72%
United States Commodity Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 1.55%, 5/21/2020
Principal Amount	$ 15,000,000
Market Value	$ 14,909,819
% of Capital	7.85%
United States Commodity Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 1.53%, 6/04/2020
Principal Amount	$ 10,000,000
Market Value	$ 9,934,556
% of Capital	5.23%
United States Commodity Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 1.54%, 6/18/2020
Principal Amount	$ 2,000,000
Market Value	$ 1,985,635
% of Capital	1.05%
United States Commodity Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.07%, 1/03/2019
Principal Amount		$ 15,000,000
Market Value		$ 14,998,296
% of Capital		3.24%
United States Commodity Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.16%, 1/10/2019
Principal Amount		$ 40,000,000
Market Value		$ 39,978,587
% of Capital		8.63%
United States Commodity Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.18%, 1/17/2019
Principal Amount		$ 15,000,000
Market Value		$ 14,985,567
% of Capital		3.24%
United States Commodity Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.22%, 1/24/2019
Principal Amount		$ 8,000,000
Market Value		$ 7,988,730
% of Capital		1.72%
United States Commodity Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.22%, 1/31/2019
Principal Amount		$ 37,000,000
Market Value		$ 36,932,187
% of Capital		7.98%
United States Commodity Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.25%, 2/07/2019
Principal Amount		$ 23,000,000
Market Value		$ 22,947,285
% of Capital		4.96%
United States Commodity Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.28%, 2/14/2019
Principal Amount		$ 54,000,000
Market Value		$ 53,850,510
% of Capital		11.63%
United States Commodity Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.29%, 2/21/2019
Principal Amount		$ 20,000,000
Market Value		$ 19,935,768
% of Capital		4.30%
United States Commodity Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.10%, 2/28/2019
Principal Amount		$ 7,000,000
Market Value		$ 6,976,703
% of Capital		1.51%
United States Commodity Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.34%, 3/07/2019
Principal Amount		$ 57,000,000
Market Value		$ 56,761,748
% of Capital		12.26%
United States Commodity Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.12%, 3/28/2019
Principal Amount		$ 10,000,000
Market Value		$ 9,950,431
% of Capital		2.15%
United States Commodity Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.41%, 4/04/2019
Principal Amount		$ 16,000,000
Market Value		$ 15,901,317
% of Capital		3.43%
United States Commodity Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.43%, 4/11/2019
Principal Amount		$ 30,000,000
Market Value		$ 29,799,167
% of Capital		6.43%
United States Commodity Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.22%, 4/25/2019
Principal Amount		$ 4,000,000
Market Value		$ 3,972,450
% of Capital		0.86%
United States Commodity Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.46%, 5/02/2019
Principal Amount		$ 23,000,000
Market Value		$ 22,812,534
% of Capital		4.93%
United States Commodity Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.47%, 5/09/2019
Principal Amount		$ 2,000,000
Market Value		$ 1,982,684
% of Capital		0.43%
United States Commodity Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.43%, 5/23/2019
Principal Amount		$ 40,000,000
Market Value		$ 39,619,756
% of Capital		8.56%
United States Commodity Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.51%, 6/06/2019
Principal Amount		$ 6,000,000
Market Value		$ 5,935,650
% of Capital		1.28%
United States Commodity Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.49%, 6/27/2019
Principal Amount		$ 25,000,000
Market Value		$ 24,697,625
% of Capital		5.33%
United States Commodity Index Fund | Cash Equivalents | Fidelity Investments Money Market Funds - Government Portfolio
Principal Amount	$ 3,900,000	$ 2,200,000
Market Value	$ 3,900,000	$ 2,200,000
% of Capital	2.05%	0.47%
United States Commodity Index Fund | Cash Equivalents | Goldman Sachs Financial Square Funds - Government Fund - Class FS
Principal Amount		$ 550,000
Market Value		$ 550,000
% of Capital		0.12%
United States Commodity Index Fund | Cash Equivalents | Morgan Stanley Institutional Liquidity Funds - Government Portfolio
Principal Amount		$ 3,650,000
Market Value		$ 3,650,000
% of Capital		0.79%
United States Commodity Index Fund | Cash Equivalents | United States - Money Market Funds
Market Value	$ 19,500,000	$ 6,400,000
% of Capital	10.27%	1.38%
United States Commodity Index Fund | Cash Equivalents | United States - Money Market Funds | Goldman Sachs Financial Square Funds - Government Fund - Class FS
Principal Amount	$ 10,000,000
Market Value	$ 10,000,000
% of Capital	5.27%
United States Commodity Index Fund | Cash Equivalents | United States - Money Market Funds | Morgan Stanley Institutional Liquidity Funds - Government Portfolio
Principal Amount	$ 5,600,000
Market Value	$ 5,600,000
% of Capital	2.95%
United States Copper Index Fund | Open Futures Contracts - Long | United States Contracts
Notional Amount	$ 6,672,500
Number of Contracts | contract	100
Value/Unrealized Gain (Loss) on Open Commodity Contracts	$ 346,250
% of Capital	4.94%
United States Copper Index Fund | Open Futures Contracts - Long | United States Contracts | CME Feeder Cattle Futures FC March 2019 contracts, expiring March 2019
Notional Amount		$ 12,348,325
Number of Contracts | contract		174
Value/Unrealized Gain (Loss) on Open Commodity Contracts		$ (903,475)
% of Capital		(7.85%)
United States Copper Index Fund | United States - Money Market Funds | Fidelity Investments Money Market Funds - Government Portfolio
Principal Amount	$ 15,000
Market Value	$ 15,000
% of Capital	0.21%
United States Copper Index Fund | United States - Money Market Funds | Morgan Stanley Institutional Liquidity Funds - Government Portfolio
Principal Amount		$ 235,000
Market Value		$ 235,000
% of Capital		2.04%
United States Copper Index Fund | Short-Term Investments | United States Treasury Obligations | U.S. Treasury Bills 2.59%, 8/15/2019
Principal Amount		$ 300,000
Market Value		$ 295,216
% of Capital		2.57%
United States Copper Index Fund | Cash Equivalents
Market Value	$ 7,096,018	$ 9,362,210
% of Capital	101.15%	81.38%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations
Market Value	$ 6,476,018	$ 8,507,210
% of Capital	92.31%	73.95%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 1.88%, 1/02/2020
Principal Amount	$ 200,000
Market Value	$ 199,990
% of Capital	2.85%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.03%, 1/09/2020
Principal Amount	$ 50,000
Market Value	$ 49,978
% of Capital	0.71%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 1.82%, 1/16/2020
Principal Amount	$ 400,000
Market Value	$ 399,700
% of Capital	5.70%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 1.63%, 1/23/2020
Principal Amount	$ 350,000
Market Value	$ 349,652
% of Capital	4.98%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 1.69%, 1/30/2020
Principal Amount	$ 450,000
Market Value	$ 449,391
% of Capital	6.41%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 1.67%, 2/06/2020
Principal Amount	$ 250,000
Market Value	$ 249,585
% of Capital	3.56%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 1.87%, 2/13/2020
Principal Amount	$ 300,000
Market Value	$ 299,335
% of Capital	4.27%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 1.85%, 2/20/2020
Principal Amount	$ 400,000
Market Value	$ 398,981
% of Capital	5.69%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 1.66%, 2/27/2020
Principal Amount	$ 300,000
Market Value	$ 299,216
% of Capital	4.27%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 1.80%, 3/26/2020
Principal Amount	$ 700,000
Market Value	$ 697,046
% of Capital	9.94%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 1.64%, 4/09/2020
Principal Amount	$ 250,000
Market Value	$ 248,879
% of Capital	3.55%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 1.60%, 4/16/2020
Principal Amount	$ 500,000
Market Value	$ 497,659
% of Capital	7.09%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 1.52%, 4/23/2020
Principal Amount	$ 400,000
Market Value	$ 398,104
% of Capital	5.67%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 1.59%, 4/30/2020
Principal Amount	$ 300,000
Market Value	$ 298,425
% of Capital	4.25%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 1.54%, 5/07/2020
Principal Amount	$ 300,000
Market Value	$ 298,386
% of Capital	4.25%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 1.55%, 5/14/2020
Principal Amount	$ 400,000
Market Value	$ 397,707
% of Capital	5.67%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 1.55%, 5/21/2020
Principal Amount	$ 500,000
Market Value	$ 496,994
% of Capital	7.08%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 1.58%, 5/28/2020
Principal Amount	$ 300,000
Market Value	$ 298,064
% of Capital	4.25%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 1.54%, 6/18/2020
Principal Amount	$ 150,000
Market Value	$ 148,926
% of Capital	2.12%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 1.76%, 1/03/2019
Principal Amount		$ 300,000
Market Value		$ 299,971
% of Capital		2.61%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.11%, 1/10/2019
Principal Amount		$ 700,000
Market Value		$ 699,634
% of Capital		6.08%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.13%, 1/17/2019
Principal Amount		$ 500,000
Market Value		$ 499,531
% of Capital		4.34%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.15%, 1/24/2019
Principal Amount		$ 700,000
Market Value		$ 699,050
% of Capital		6.08%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.14%, 1/31/2019
Principal Amount		$ 200,000
Market Value		$ 199,647
% of Capital		1.74%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.25%, 2/07/2019
Principal Amount		$ 400,000
Market Value		$ 399,083
% of Capital		3.47%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.24%, 2/14/2019
Principal Amount		$ 300,000
Market Value		$ 299,185
% of Capital		2.60%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.29%, 2/21/2019
Principal Amount		$ 350,000
Market Value		$ 348,872
% of Capital		3.03%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.01%, 2/28/2019
Principal Amount		$ 100,000
Market Value		$ 99,682
% of Capital		0.87%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.34%, 3/07/2019
Principal Amount		$ 350,000
Market Value		$ 348,537
% of Capital		3.03%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.35%, 3/21/2019
Principal Amount		$ 400,000
Market Value		$ 397,946
% of Capital		3.46%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.19%, 3/28/2019
Principal Amount		$ 500,000
Market Value		$ 497,432
% of Capital		4.32%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.40%, 4/04/2019
Principal Amount		$ 500,000
Market Value		$ 496,931
% of Capital		4.32%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.43%, 4/11/2019
Principal Amount		$ 500,000
Market Value		$ 496,660
% of Capital		4.32%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.44%, 4/18/2019
Principal Amount		$ 500,000
Market Value		$ 496,404
% of Capital		4.31%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.36%, 4/25/2019
Principal Amount		$ 450,000
Market Value		$ 446,688
% of Capital		3.88%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.46%, 5/02/2019
Principal Amount		$ 100,000
Market Value		$ 99,185
% of Capital		0.86%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.47%, 5/09/2019
Principal Amount		$ 500,000
Market Value		$ 495,671
% of Capital		4.31%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.45%, 5/23/2019
Principal Amount		$ 600,000
Market Value		$ 594,262
% of Capital		5.17%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.49%, 6/20/2019
Principal Amount		$ 200,000
Market Value		$ 197,677
% of Capital		1.72%
United States Copper Index Fund | Cash Equivalents | United States Treasury Obligations | U.S. Treasury Bills 2.49%, 6/27/2019
Principal Amount		$ 400,000
Market Value		$ 395,162
% of Capital		3.43%
United States Copper Index Fund | Cash Equivalents | United States - Money Market Funds
Market Value	$ 620,000	$ 855,000
% of Capital	8.84%	7.43%
United States Copper Index Fund | Cash Equivalents | United States - Money Market Funds | Goldman Sachs Financial Square Funds - Government Fund - Class FS
Principal Amount	$ 605,000	$ 620,000
Market Value	$ 605,000	$ 620,000
% of Capital	8.63%	5.39%