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v3.20.1

Schedule of Investments | Dec. 31, 2019 USD ($) contract | Dec. 31, 2018 USD ($) contract
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Open Futures Contracts Long [Member] | United States [Member] |  |  |  |  |
Notional Amount |  | $ 3,812,638 | [1] | $ 5,685,063 | [2]
Number of Contracts | contract |  | 145 | [1] | 201 | [2]
Value/ Unrealized Gain (Loss) on Open Commodity Contracts |  | $ (435,678) | [1] | $ (46,103) | [2]
% of Partners' Capital |  | (12.91%) | [1] | (0.82%) | [2]
Open Futures Contracts Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG February 2019 contracts, expiring January 2019 |  |  |  |  |
Notional Amount |  |  |  | $ 520,650 |
Number of Contracts | contract |  |  |  | 16 |
Value/ Unrealized Gain (Loss) on Open Commodity Contracts |  |  |  | $ (50,250) |
% of Partners' Capital |  |  |  | (0.89%) |
Open Futures Contracts Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG March 2019 contracts, expiring February 2019 |  |  |  |  |
Notional Amount |  |  |  | $ 520,524 |
Number of Contracts | contract |  |  |  | 17 |
Value/ Unrealized Gain (Loss) on Open Commodity Contracts |  |  |  | $ (35,854) |
% of Partners' Capital |  |  |  | (0.63%) |
Open Futures Contracts Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG April 2019 contracts, expiring March 2019 |  |  |  |  |
Notional Amount |  |  |  | $ 462,954 |
Number of Contracts | contract |  |  |  | 17 |
Value/ Unrealized Gain (Loss) on Open Commodity Contracts |  |  |  | $ (6,844) |
% of Partners' Capital |  |  |  | (0.12%) |
Open Futures Contracts Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG May 2019 contracts, expiring April 2019 |  |  |  |  |
Notional Amount |  |  |  | $ 450,609 |
Number of Contracts | contract |  |  |  | 17 |
Value/ Unrealized Gain (Loss) on Open Commodity Contracts |  |  |  | $ 3,631 |
% of Partners' Capital |  |  |  | 0.07% |
Open Futures Contracts Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG June 2019 contracts, expiring May 2019 |  |  |  |  |
Notional Amount |  |  |  | $ 413,663 |
Number of Contracts | contract |  |  |  | 16 |
Value/ Unrealized Gain (Loss) on Open Commodity Contracts |  |  |  | $ 21,057 |
% of Partners' Capital |  |  |  | 0.37% |
Open Futures Contracts Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG July 2019 contracts, expiring June 2019 |  |  |  |  |
Notional Amount |  |  |  | $ 458,258 |
Number of Contracts | contract |  |  |  | 17 |
Value/ Unrealized Gain (Loss) on Open Commodity Contracts |  |  |  | $ 10,942 |
% of Partners' Capital |  |  |  | 0.19% |
Open Futures Contracts Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG August 2019 contracts, expiring July 2019 |  |  |  |  |
Notional Amount |  |  |  | $ 451,616 |
Number of Contracts | contract |  |  |  | 17 |
Value/ Unrealized Gain (Loss) on Open Commodity Contracts |  |  |  | $ 17,074 |
% of Partners' Capital |  |  |  | 0.30% |
Open Futures Contracts Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG September 2019 contracts, expiring August 2019 |  |  |  |  |
Notional Amount |  |  |  | $ 462,462 |
Number of Contracts | contract |  |  |  | 17 |
Value/ Unrealized Gain (Loss) on Open Commodity Contracts |  |  |  | $ 788 |
% of Partners' Capital |  |  |  | 0.01% |
Open Futures Contracts Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG October 2019 contracts, expiring September 2019 |  |  |  |  |
Notional Amount |  |  |  | $ 427,220 |
Number of Contracts | contract |  |  |  | 16 |
Value/ Unrealized Gain (Loss) on Open Commodity Contracts |  |  |  | $ 13,100 |
% of Partners' Capital |  |  |  | 0.23% |
Open Futures Contracts Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG November 2019 contracts, expiring October 2019 |  |  |  |  |
Notional Amount |  |  |  | $ 480,253 |
Number of Contracts | contract |  |  |  | 17 |
Value/ Unrealized Gain (Loss) on Open Commodity Contracts |  |  |  | $ (4,423) |
% of Partners' Capital |  |  |  | (0.08%) |
Open Futures Contracts Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG December 2019 contracts, expiring November 2019 |  |  |  |  |
Notional Amount |  |  |  | $ 501,461 |
Number of Contracts | contract |  |  |  | 17 |
Value/ Unrealized Gain (Loss) on Open Commodity Contracts |  |  |  | $ (641) |
% of Partners' Capital |  |  |  | (0.01%) |
Open Futures Contracts Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG January 2020 contracts, expiring December 2019 |  |  |  |  |
Notional Amount |  |  |  | $ 535,393 |
Number of Contracts | contract |  |  |  | 17 |
Value/ Unrealized Gain (Loss) on Open Commodity Contracts |  |  |  | $ (14,683) |
% of Partners' Capital |  |  |  | (0.26%) |
Open Futures Contracts Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG February 2020 contracts, expiring January 2020 |  |  |  |  |
Notional Amount |  | $ 372,317 |  |  |
Number of Contracts | contract |  | 12 |  |  |
Value/ Unrealized Gain (Loss) on Open Commodity Contracts |  | $ (109,637) |  |  |
% of Partners' Capital |  | (3.25%) |  |  |
Open Futures Contracts Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG March 2020 contracts, expiring February 2020 |  |  |  |  |
Notional Amount |  | $ 355,883 |  |  |
Number of Contracts | contract |  | 12 |  |  |
Value/ Unrealized Gain (Loss) on Open Commodity Contracts |  | $ (96,923) |  |  |
% of Partners' Capital |  | (2.87%) |  |  |
Open Futures Contracts Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG April 2020 contracts, expiring March 2020 |  |  |  |  |
Notional Amount |  | $ 318,189 |  |  |
Number of Contracts | contract |  | 12 |  |  |
Value/ Unrealized Gain (Loss) on Open Commodity Contracts |  | $ (60,309) |  |  |
% of Partners' Capital |  | (1.79%) |  |  |
Open Futures Contracts Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG May 2020 contracts, expiring April 2020 |  |  |  |  |
Notional Amount |  | $ 337,171 |  |  |
Number of Contracts | contract |  | 13 |  |  |
Value/ Unrealized Gain (Loss) on Open Commodity Contracts |  | $ (52,731) |  |  |
% of Partners' Capital |  | (1.56%) |  |  |
Open Futures Contracts Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG June 2020 contracts, expiring May 2020 |  |  |  |  |
Notional Amount |  | $ 311,571 |  |  |
Number of Contracts | contract |  | 12 |  |  |
Value/ Unrealized Gain (Loss) on Open Commodity Contracts |  | $ (42,051) |  |  |
% of Partners' Capital |  | (1.25%) |  |  |
Open Futures Contracts Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG July 2020 contracts, expiring June 2020 |  |  |  |  |
Notional Amount |  | $ 306,018 |  |  |
Number of Contracts | contract |  | 12 |  |  |
Value/ Unrealized Gain (Loss) on Open Commodity Contracts |  | $ (29,658) |  |  |
% of Partners' Capital |  | (0.88%) |  |  |
Open Futures Contracts Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG August 2020 contracts, expiring July 2020 |  |  |  |  |
Notional Amount |  | $ 303,009 |  |  |
Number of Contracts | contract |  | 12 |  |  |
Value/ Unrealized Gain (Loss) on Open Commodity Contracts |  | $ (24,729) |  |  |
% of Partners' Capital |  | (0.73%) |  |  |
Open Futures Contracts Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG September 2020 contracts, expiring August 2020 |  |  |  |  |
Notional Amount |  | $ 277,911 |  |  |
Number of Contracts | contract |  | 12 |  |  |
Value/ Unrealized Gain (Loss) on Open Commodity Contracts |  | $ (591) |  |  |
% of Partners' Capital |  | (0.02%) |  |  |
Open Futures Contracts Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG October 2020 contracts, expiring September 2020 |  |  |  |  |
Notional Amount |  | $ 294,317 |  |  |
Number of Contracts | contract |  | 12 |  |  |
Value/ Unrealized Gain (Loss) on Open Commodity Contracts |  | $ (12,797) |  |  |
% of Partners' Capital |  | (0.38%) |  |  |
Open Futures Contracts Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG November 2020 contracts, expiring October 2020 |  |  |  |  |
Notional Amount |  | $ 291,221 |  |  |
Number of Contracts | contract |  | 12 |  |  |
Value/ Unrealized Gain (Loss) on Open Commodity Contracts |  | $ 19 |  |  |
% of Partners' Capital | [3] | 0.00% |  |  |
Open Futures Contracts Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG December 2020 contracts, expiring November 2020 |  |  |  |  |
Notional Amount |  | $ 323,237 |  |  |
Number of Contracts | contract |  | 12 |  |  |
Value/ Unrealized Gain (Loss) on Open Commodity Contracts |  | $ (10,877) |  |  |
% of Partners' Capital |  | (0.32%) |  |  |
Open Futures Contracts Long [Member] | United States [Member] | NYMEX Natural Gas Futures NG January 2021 contracts, expiring December 2020 |  |  |  |  |
Notional Amount |  | $ 321,794 |  |  |
Number of Contracts | contract |  | 12 |  |  |
Value/ Unrealized Gain (Loss) on Open Commodity Contracts |  | $ 4,606 |  |  |
% of Partners' Capital |  | 0.14% |  |  |
Cash Equivalents [Member] |  |  |  |  |
Market Value |  | $ 3,289,117 |  | $ 5,577,527 |
% of Partners' Capital |  | 97.49% |  | 98.84% |
Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Market Value |  | $ 2,789,117 |  | $ 3,977,527 |
% of Partners' Capital |  | 82.67% |  | 70.49% |
Cash Equivalents [Member] | United States - Money Market Funds [Member] |  |  |  |  |
Market Value |  | $ 500,000 |  | $ 1,600,000 |
% of Partners' Capital |  | 14.82% |  | 28.35% |
Cash Equivalents [Member] | United States - Money Market Funds [Member] | Goldman Sachs Financial Square Funds - Government Fund - Class FS [Member] |  |  |  |  |
Principal Amount |  | $ 400,000 |  | $ 1,500,000 |
Market Value |  | $ 400,000 |  | $ 1,500,000 |
% of Partners' Capital |  | 11.86% |  | 26.58% |
Cash Equivalents [Member] | United States - Money Market Funds [Member] | Morgan Stanley Institutional Liquidity Funds - Government Portfolio [Member] |  |  |  |  |
Principal Amount |  | $ 100,000 |  | $ 100,000 |
Market Value |  | $ 100,000 |  | $ 100,000 |
% of Partners' Capital |  | 2.96% |  | 1.77% |
U.S. Treasury Bills: 2.10%, 1/03/2019 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  |  |  | $ 200,000 |
Market Value |  |  |  | $ 199,977 |
% of Partners' Capital |  |  |  | 3.54% |
U.S. Treasury Bills:2.10%, 1/10/2019 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  |  |  | $ 200,000 |
Market Value |  |  |  | $ 199,896 |
% of Partners' Capital |  |  |  | 3.54% |
U.S. Treasury Bills:2.13%, 1/17/2019 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  |  |  | $ 200,000 |
Market Value |  |  |  | $ 199,812 |
% of Partners' Capital |  |  |  | 3.54% |
U.S. Treasury Bills:2.15%, 1/24/2019 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  |  |  | $ 200,000 |
Market Value |  |  |  | $ 199,729 |
% of Partners' Capital |  |  |  | 3.54% |
U.S. Treasury Bills:2.18%, 1/31/2019 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  |  |  | $ 200,000 |
Market Value |  |  |  | $ 199,641 |
% of Partners' Capital |  |  |  | 3.54% |
U.S. Treasury Bills:2.20%, 2/07/2019 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  |  |  | $ 200,000 |
Market Value |  |  |  | $ 199,553 |
% of Partners' Capital |  |  |  | 3.54% |
U.S. Treasury Bills:2.19%, 2/14/2019 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  |  |  | $ 200,000 |
Market Value |  |  |  | $ 199,470 |
% of Partners' Capital |  |  |  | 3.54% |
U.S. Treasury Bills:2.20%, 2/21/2019 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  |  |  | $ 200,000 |
Market Value |  |  |  | $ 199,382 |
% of Partners' Capital |  |  |  | 3.53% |
U.S. Treasury Bills:2.24%, 2/28/2019 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  |  |  | $ 100,000 |
Market Value |  |  |  | $ 99,643 |
% of Partners' Capital |  |  |  | 1.77% |
U.S. Treasury Bills:2.38%, 3/07/2019 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  |  |  | $ 100,000 |
Market Value |  |  |  | $ 99,575 |
% of Partners' Capital |  |  |  | 1.77% |
U.S. Treasury Bills:2.28%, 3/14/2019 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  |  |  | $ 100,000 |
Market Value |  |  |  | $ 99,549 |
% of Partners' Capital |  |  |  | 1.76% |
U.S. Treasury Bills:2.33%, 3/21/2019 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  |  |  | $ 100,000 |
Market Value |  |  |  | $ 99,495 |
% of Partners' Capital |  |  |  | 1.76% |
U.S. Treasury Bills:2.34%, 3/28/2019 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  |  |  | $ 200,000 |
Market Value |  |  |  | $ 198,896 |
% of Partners' Capital |  |  |  | 3.53% |
U.S. Treasury Bills:2.37%, 4/04/2019 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  |  |  | $ 100,000 |
Market Value |  |  |  | $ 99,394 |
% of Partners' Capital |  |  |  | 1.76% |
U.S. Treasury Bills:2.41%, 4/11/2019 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  |  |  | $ 100,000 |
Market Value |  |  |  | $ 99,338 |
% of Partners' Capital |  |  |  | 1.76% |
U.S. Treasury Bills:2.42%, 4/18/2019 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  |  |  | $ 100,000 |
Market Value |  |  |  | $ 99,288 |
% of Partners' Capital |  |  |  | 1.76% |
U.S. Treasury Bills:2.43%, 4/25/2019 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  |  |  | $ 100,000 |
Market Value |  |  |  | $ 99,240 |
% of Partners' Capital |  |  |  | 1.76% |
U.S. Treasury Bills:2.46%, 5/02/2019 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  |  |  | $ 100,000 |
Market Value |  |  |  | $ 99,185 |
% of Partners' Capital |  |  |  | 1.76% |
U.S. Treasury Bills:2.47%, 5/09/2019 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  |  |  | $ 200,000 |
Market Value |  |  |  | $ 198,268 |
% of Partners' Capital |  |  |  | 3.51% |
U.S. Treasury Bills:2.48%, 5/16/2019 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  |  |  | $ 100,000 |
Market Value |  |  |  | $ 99,081 |
% of Partners' Capital |  |  |  | 1.76% |
U.S. Treasury Bills:2.50%, 5/23/2019 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  |  |  | $ 200,000 |
Market Value |  |  |  | $ 198,055 |
% of Partners' Capital |  |  |  | 3.51% |
U.S. Treasury Bills:2.49%, 5/30/2019 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  |  |  | $ 100,000 |
Market Value |  |  |  | $ 98,983 |
% of Partners' Capital |  |  |  | 1.75% |
U.S. Treasury Bills:2.51%, 6/06/2019 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  |  |  | $ 200,000 |
Market Value |  |  |  | $ 197,855 |
% of Partners' Capital |  |  |  | 3.51% |
U.S. Treasury Bills:2.51%, 6/13/2019 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  |  |  | $ 200,000 |
Market Value |  |  |  | $ 197,754 |
% of Partners' Capital |  |  |  | 3.50% |
U.S. Treasury Bills:2.49%, 6/20/2019 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  |  |  | $ 200,000 |
Market Value |  |  |  | $ 197,677 |
% of Partners' Capital |  |  |  | 3.50% |
U.S. Treasury Bills:2.49%, 6/27/2019 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  |  |  | $ 100,000 |
Market Value |  |  |  | $ 98,791 |
% of Partners' Capital |  |  |  | 1.75% |
U.S. Treasury Bills:2.05%, 1/02/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  | $ 100,000 |  |  |
Market Value |  | $ 99,994 |  |  |
% of Partners' Capital |  | 2.96% |  |  |
U.S. Treasury Bills:2.03%, 1/09/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  | $ 200,000 |  |  |
Market Value |  | $ 199,911 |  |  |
% of Partners' Capital |  | 5.93% |  |  |
U.S. Treasury Bills:2.01%, 1/16/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  | $ 100,000 |  |  |
Market Value |  | $ 99,917 |  |  |
% of Partners' Capital |  | 2.96% |  |  |
U.S. Treasury Bills:2.04%, 1/23/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  | $ 100,000 |  |  |
Market Value |  | $ 99,877 |  |  |
% of Partners' Capital |  | 2.96% |  |  |
U.S. Treasury Bills:2.02%, 1/30/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  | $ 100,000 |  |  |
Market Value |  | $ 99,839 |  |  |
% of Partners' Capital |  | 2.96% |  |  |
U.S. Treasury Bills:1.90%, 2/06/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  | $ 100,000 |  |  |
Market Value |  | $ 99,812 |  |  |
% of Partners' Capital |  | 2.96% |  |  |
U.S. Treasury Bills:1.87%, 2/13/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  | $ 100,000 |  |  |
Market Value |  | $ 99,778 |  |  |
% of Partners' Capital |  | 2.96% |  |  |
U.S. Treasury Bills:1.85%, 2/20/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  | $ 100,000 |  |  |
Market Value |  | $ 99,745 |  |  |
% of Partners' Capital |  | 2.96% |  |  |
U.S. Treasury Bills:1.85%, 2/27/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  | $ 100,000 |  |  |
Market Value |  | $ 99,710 |  |  |
% of Partners' Capital |  | 2.96% |  |  |
U.S. Treasury Bills:1.83%, 3/05/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  | $ 200,000 |  |  |
Market Value |  | $ 199,354 |  |  |
% of Partners' Capital |  | 5.91% |  |  |
U.S. Treasury Bills:1.84%, 3/19/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  | $ 100,000 |  |  |
Market Value |  | $ 99,606 |  |  |
% of Partners' Capital |  | 2.95% |  |  |
U.S. Treasury Bills:1.88%, 3/26/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  | $ 200,000 |  |  |
Market Value |  | $ 199,122 |  |  |
% of Partners' Capital |  | 5.90% |  |  |
U.S. Treasury Bills:1.70%, 4/02/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  | $ 100,000 |  |  |
Market Value |  | $ 99,568 |  |  |
% of Partners' Capital |  | 2.95% |  |  |
U.S. Treasury Bills:1.64%, 4/09/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  | $ 100,000 |  |  |
Market Value |  | $ 99,552 |  |  |
% of Partners' Capital |  | 2.95% |  |  |
U.S. Treasury Bills:1.60%, 4/16/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  | $ 100,000 |  |  |
Market Value |  | $ 99,532 |  |  |
% of Partners' Capital |  | 2.95% |  |  |
U.S. Treasury Bills:1.60%, 4/23/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  | $ 100,000 |  |  |
Market Value |  | $ 99,501 |  |  |
% of Partners' Capital |  | 2.95% |  |  |
U.S. Treasury Bills:1.59%, 4/30/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  | $ 100,000 |  |  |
Market Value |  | $ 99,475 |  |  |
% of Partners' Capital |  | 2.95% |  |  |
U.S. Treasury Bills:1.54%, 5/07/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  | $ 100,000 |  |  |
Market Value |  | $ 99,462 |  |  |
% of Partners' Capital |  | 2.95% |  |  |
U.S. Treasury Bills:1.55%, 5/14/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  | $ 100,000 |  |  |
Market Value |  | $ 99,427 |  |  |
% of Partners' Capital |  | 2.95% |  |  |
U.S. Treasury Bills:1.55%, 5/21/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  | $ 100,000 |  |  |
Market Value |  | $ 99,399 |  |  |
% of Partners' Capital |  | 2.95% |  |  |
U.S. Treasury Bills:1.58%, 5/28/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  | $ 100,000 |  |  |
Market Value |  | $ 99,354 |  |  |
% of Partners' Capital |  | 2.94% |  |  |
U.S. Treasury Bills:1.53%, 6/04/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  | $ 100,000 |  |  |
Market Value |  | $ 99,346 |  |  |
% of Partners' Capital |  | 2.94% |  |  |
U.S. Treasury Bills:1.53%, 6/11/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  | $ 100,000 |  |  |
Market Value |  | $ 99,315 |  |  |
% of Partners' Capital |  | 2.94% |  |  |
U.S. Treasury Bills:1.54%, 6/18/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  | $ 100,000 |  |  |
Market Value |  | $ 99,284 |  |  |
% of Partners' Capital |  | 2.94% |  |  |
U.S. Treasury Bills:1.57%, 6/25/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member] |  |  |  |  |
Principal Amount |  | $ 100,000 |  |  |
Market Value |  | $ 99,237 |  |  |
% of Partners' Capital |  | 2.94% |  |  |
[1] | Collateral amounted to $803,973 on open futures contracts.
[2] | Collateral amounted to $596,555 on open futures contracts.
[3] | Represents less than 0.005%.

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