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Percentage of Brokerage Commissions and Fees.

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Percentage of funds average daily net assets

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Represents the amount of expenses waived during the period.

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The amount of expense in the period for wholesale support fees.

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for professional fees, such as for legal and accounting services received. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Total costs of sales and operating expenses for the period.

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Those fees charged for services related to holding, advising, and managing customer investment assets. These account fees usually charged annually or semi-annually, on a per security basis, for the costs of services.

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Expense related to distribution, servicing and underwriting fees.

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Amount of expenses related to the managing member or general partner for management of the day-to-day business functions of the limited liability company (LLC) or limited partnership (LP).

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Amount of fees incurred for commissions on mutual funds and insurance products.

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Fees paid to an agent employed by a corporation or mutual fund to maintain shareholder records, including purchases, sales, and account balances. Also includes custodian fees incurred during an accounting period from an agent, bank, trust company, or other organization that holds and safeguards an individual's, mutual fund's, or investment company's assets for them. These fees will be billed back to the client and are a component of noninterest expense.

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Agreements (Details Narrative) - USD ($)	1 Months Ended		3 Months Ended		10 Months Ended
Agreements (Details Narrative) - USD ($)	Feb. 19, 2016	Jan. 27, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Fund expenses annual rate percentage			1.50%
Waiver of commodity trading advisor fees			$ 27,123	$ 16,335
Assets under management percentage	0.05%		0.05%
Percentage of brokerage commissions and fees			0.204%
Trustee fees			$ 1,260	1,260
Percentage of funds average daily net assets			1.50%
Administrative and other expenses absorbed by sponsor			$ 10,686	79,991
ETF Managers Capital LLC [Member]
Fund expenses annual rate percentage		0.50%
ETF MANAGERS GROUP COMMODITY TRUST I [Member]
Waiver of commodity trading advisor fees			27,123	16,335
Expense related to distribution or servicing and underwriting fees			4,408	3,811
Noninterest expense commission expense			8,159	6,377
Costs and expenses			127,336	151,707
Management fee expense			$ 1,576	6,301
Percentage of funds average daily net assets			0.10%
Administrative and other expenses absorbed by sponsor			$ 27,123	10,686
Revised annual sponsor fee			8,137	18,904
Admin/accounting/custodian/transfer agent fees			8,823	13,812
Wholesale support fees			5,424	3,262
SIT RISING RATE ETF [Member]
Waiver of commodity trading advisor fees			27,123	16,335
Expense related to distribution or servicing and underwriting fees			4,408	3,811
Noninterest expense commission expense			8,159	6,377
Costs and expenses			127,336	151,707
Management fee expense			1,576	6,301
Administrative and other expenses absorbed by sponsor			16,335	79,991
Revised annual sponsor fee			8,137	18,904
Admin/accounting/custodian/transfer agent fees			8,823	13,812
Wholesale support fees			$ 5,424	$ 3,262
Distributor [Member] \| Alps Distributors, Inc. [Member]
Assets under management percentage			0.015%
Minimum [Member]
Accrued professional fees, current	$ 50,000		$ 45,000
Custody fees	$ 4,800		4,800
Minimum [Member] \| Distributor [Member] \| Alps Distributors, Inc. [Member]
Payments for fees			$ 15,000
Sponsors Advisory Services [Member]
Advisory services management fees percentage			0.15%
Management fee expense					$ 75,000
Revised annual sponsor fee			$ 18,750
Custody Services [Member]
Assets under management percentage	0.01%		0.01%