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Schedules of Investments $ in Thousands	Jun. 30, 2021 USD ($) oz	Jun. 30, 2020 USD ($) oz
Income Statement [Abstract]
Investment in Platinum (oz) | oz	35,405.333	10,871.136
Cost	$ 37,168	$ 9,975
Fair Value	37,494	8,849
Liabilities in excess of other assets	(16)	(4)
Net Assets	$ 37,478	$ 8,845
Total investment % of Net Assets	100.04%	100.03%
Less liabilities, % of Net Assets	(0.04%)	(0.03%)
Net Assets, % of Net Assets	100.00%	100.00%

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The percentage of net assets of net assets.

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Amount of net assets (liabilities).

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Cost of the investment.

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Value of the investment at close of period. For schedules of investments that are categorized, the value would be aggregated by category. For investment in and advances to affiliates, if operations of any controlled companies are different in character from those of the company, group such affiliates within divisions and by type of activities.

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Quantity of the investment. Indicate the measure in the unit of measure. This is commonly used for investments other than securities. For example, if the investment is gold, the balance would be the number of ounces and the unit of measure would indicate "ounces".

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Percent of net assets at close of period. For schedules of investments that are categorized, each category has a percent of net assets for the aggregated value of the Investments in the category.

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The net of non investment assets and liabilities. This amount represents the difference between the aggregate value of the investments, including long and short positions, and net assets.

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The percent of net assets of non investment assets and liabilities. This represents the percentage difference between the investments, including long and short positions, and net assets.

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