Investments in Affiliates

6 Months Ended

Jun. 30, 2018

Investments In And Advances To Affiliates Schedule Of Investments [Abstract]

Investments in Affiliates

Note 8 – Investments in Affiliates

The Fund's investment adviser also serves as the adviser for Invesco Treasury Collateral ETF, and therefore, Invesco Treasury Collateral ETF is considered to be affiliated with the Fund. The following is a summary of the transactions in, and earnings from, investments in affiliates (excluding affiliated money market funds) for the three and six months ended June 30, 2018.

	Value 03/31/2018		Purchases at Cost		Proceeds from Sales		Change in Unrealized Appreciation (Depreciation)		Realized Gain (Loss)		Value 06/30/2018		Dividend Income
Invesco Treasury    Collateral ETF	$	250,715,232	$	—	$	—	$	1,020,132	$	—	$	251,735,364	$	—

	Value 12/31/2017		Purchases at Cost		Proceeds from Sales		Change in Unrealized Appreciation (Depreciation)		Realized Gain (Loss)		Value 06/30/2018		Dividend Income
Invesco Treasury    Collateral ETF	$	249,742,548	$	—	$	—	$	1,992,816	$	—	$	251,735,364	$	—

The following is a summary of the transactions in, and earnings from, investments in affiliates (excluding affiliated money market funds) for the three and six months ended June 30, 2017.

	Value 04/01/2017		Purchases at Cost		Proceeds from Sales		Change in Unrealized Appreciation (Depreciation)		Realized Gain (Loss)		Value 06/30/2017		Dividend Income
PowerShares Treasury    Collateral Portfolio	$	250,074,684	$	—	$	—	$	450,756	$	—	$	250,525,440	$	—

	Value 01/01/2017		Purchases at Cost		Proceeds from Sales		Change in Unrealized Appreciation (Depreciation)		Realized Gain (Loss)		Value 06/30/2017		Dividend Income
PowerShares Treasury    Collateral Portfolio	$	—	$	249,990,226	$	—	$	535,214	$	—	$	250,525,440	$	—