Note 2 - Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2021

Notes Tables

Activity in Silver Bullion [Table Text Block]

Three Months Ended June 30, 2021	Ounces			Cost			Fair Value			Realized Gain (Loss)
Beginning balance		575,124,212		$	11,937,644,776		$	13,802,981,086		$	—
Silver bullion contributed		28,106,701			765,794,167			765,794,167			—
Silver bullion distributed		(44,335,250	)		(928,983,617	)		(1,177,999,610	)		249,015,993
Silver bullion sold to pay expenses		(722,380	)		(15,051,815	)		(19,036,249	)		3,984,434
Net realized gain		—			—			253,000,427			—
Net change in unrealized appreciation/depreciation		—			—			756,594,817			—
Ending balance		558,173,283		$	11,759,403,511		$	14,381,334,638		$	253,000,427

Three Months Ended June 30, 2020	Ounces			Cost			Fair Value			Realized Gain (Loss)
Beginning balance		395,368,466		$	6,681,432,888		$	5,507,482,733		$	—
Silver bullion contributed		118,708,634			1,962,530,775			1,962,530,775			—
Silver bullion distributed		(15,569,065	)		(261,348,495	)		(250,788,865	)		(10,559,630	)
Silver bullion sold to pay expenses		(500,537	)		(8,415,355	)		(7,832,116	)		(583,239	)
Net realized loss		—			—			(11,142,869	)		—
Net change in unrealized appreciation/depreciation		—			—			1,686,694,147			—
Ending balance		498,007,498		$	8,374,199,813		$	8,886,943,805		$	(11,142,869	)

Six Months Ended June 30, 2021	Ounces			Cost			Fair Value			Realized Gain (Loss)
Beginning balance		558,715,882		$	10,472,474,303		$	14,797,590,146		$	—
Silver bullion contributed		192,263,810			5,234,465,003			5,234,465,003			—
Silver bullion distributed		(191,415,186	)		(3,919,057,880	)		(5,056,623,118	)		1,137,565,238
Silver bullion sold to pay expenses		(1,391,223	)		(28,477,915	)		(37,671,676	)		9,193,761
Net realized gain		—			—			1,146,758,999			—
Net change in unrealized appreciation/depreciation		—			—			(1,703,184,716	)		—
Ending balance		558,173,283		$	11,759,403,511		$	14,381,334,638		$	1,146,758,999

Six Months Ended June 30, 2020	Ounces			Cost			Fair Value			Realized Gain (Loss)
Beginning balance		362,616,711		$	6,294,157,046		$	6,543,418,555		$	—
Silver bullion contributed		180,427,906			2,852,348,213			2,852,348,213			—
Silver bullion distributed		(44,081,945	)		(755,993,432	)		(735,788,453	)		(20,204,979	)
Silver bullion sold to pay expenses		(955,174	)		(16,312,014	)		(15,803,415	)		(508,599	)
Net realized loss		—			—			(20,713,578	)		—
Net change in unrealized appreciation/depreciation		—			—			263,482,483			—
Ending balance		498,007,498		$	8,374,199,813		$	8,886,943,805		$	(20,713,578	)