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Significant Accounting Policies (Details Narrative)	6 Months Ended
	Dec. 31, 2018 USD ($) oz shares	Jun. 30, 2018 USD ($)	[1]
Accounting Policies [Abstract]
Fee paid to Sponsor percentage	0.50%
Fees payable to Sponsor	$ 1,000	$ 2,000
Minimum block of shares issued redeemed | shares	15,000
Transaction fee for creations and redemptions	$ 500
Maximum amount of platinum to be held by trust unallocated account | oz	192
[1] Operations commenced on January 11, 2018. See Note 1.

X

- Definition

The percent of the adjusted daily net asset value of the Trust used in computing fees paid to Sponsor,

+ References

No definition available.

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X

- Definition

The maximum amount of platinum (ounces) to be held by Trust unallocated account at the close of business.

+ References

No definition available.

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X

- Definition

The minimum block of shares that can be created or redeemed against bullion deposits or distributions.

+ References

No definition available.

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X

- Definition

The amount of the transaction fee assessed for all creation and redemption transactions.

+ References

No definition available.

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- Definition

Amount for accounts payable to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(a))
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-SubTopic 10
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