Note 2 - Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2019

Notes Tables

Activity in Silver Bullion [Table Text Block]

Three Months Ended June 30, 2019	Ounces			Cost			Fair Value			Realized Gain (Loss)
Beginning balance		309,301,232		$	5,475,186,353		$	4,670,448,601		$	—
Silver bullion contributed		20,139,972			300,557,309			300,557,309			—
Silver bullion distributed		(5,715,084	)		(100,797,226	)		(84,431,118	)		(16,366,108	)
Silver bullion sold to pay expenses		(395,507	)		(6,983,443	)		(5,887,355	)		(1,096,088	)
Net realized loss		—			—			(17,462,196	)		—
Net change in unrealized appreciation/depreciation		—			—			57,866,685			—
Ending balance		323,330,613		$	5,667,962,993		$	4,921,091,926		$	(17,462,196	)

Three Months Ended June 30, 2018	Ounces			Cost			Fair Value			Realized Gain (Loss)
Beginning balance		319,012,097		$	5,786,442,301		$	5,193,516,929		$	—
Silver bullion contributed		24,760,653			404,809,725			404,809,725			—
Silver bullion distributed		(20,901,664	)		(377,908,569	)		(350,390,495	)		(27,518,074	)
Silver bullion sold to pay expenses		(405,372	)		(7,335,219	)		(6,646,976	)		(688,243	)
Net realized loss		—			—			(28,206,317	)		—
Net change in unrealized appreciation/depreciation		—			—			(43,957,463	)		—
Ending balance		322,465,714		$	5,806,008,238		$	5,169,125,403		$	(28,206,317	)

Six Months Ended June 30, 2019	Ounces			Cost			Fair Value			Realized Gain (Loss)
Beginning balance		317,233,610		$	5,641,558,156		$	4,906,017,787		$	—
Silver bullion contributed		32,006,044			485,837,021			485,837,021			—
Silver bullion distributed		(25,136,052	)		(445,746,844	)		(387,112,201	)		(58,634,643	)
Silver bullion sold to pay expenses		(772,989	)		(13,685,340	)		(11,803,469	)		(1,881,871	)
Net realized loss		—			—			(60,516,514	)		—
Net change in unrealized appreciation/depreciation		—			—			(11,330,698	)		—
Ending balance		323,330,613		$	5,667,962,993		$	4,921,091,926		$	(60,516,514	)

Six Months Ended June 30, 2018	Ounces			Cost			Fair Value			Realized Gain (Loss)
Beginning balance		320,629,662		$	5,831,748,196		$	5,407,419,250		$	—
Silver bullion contributed		35,696,104			587,710,858			587,710,858			—
Silver bullion distributed		(33,066,784	)		(599,066,227	)		(557,768,350	)		(41,297,877	)
Silver bullion sold to pay expenses		(793,268	)		(14,384,589	)		(13,189,884	)		(1,194,705	)
Net realized loss		—			—			(42,492,582	)		—
Net change in unrealized appreciation/depreciation		—			—			(212,553,889	)		—
Ending balance		322,465,714		$	5,806,008,238		$	5,169,125,403		$	(42,492,582	)