Non-trading securities (Tables)

6 Months Ended

Sep. 30, 2017

Non-trading securities

Non-trading securities reconciliation

	Millions of yen
	March 31, 2017
	Cost  and/or amortized cost		Unrealized gains and losses				Fair value
			Gross unrealized gains		Gross unrealized losses
Japanese government, agency and municipal securities	¥	89,851	¥	3,953	¥	585	¥	93,219
Foreign government, agency and municipal securities		25,326		2,434		198		27,562
Corporate bonds		117,140		6,942		930		123,152
Equity securities		42,947		21,826		22		64,751
Total	¥	275,264	¥	35,155	¥	1,735	¥	308,684
	Millions of yen
	September 30, 2017
	Cost and/or amortized cost		Unrealized gains and losses				Fair value
			Gross unrealized gains		Gross unrealized losses
Japanese government, agency and municipal securities	¥	62,056	¥	4,169	¥	228	¥	65,997
Foreign government, agency and municipal securities		24,950		2,649		159		27,440
Corporate bonds		109,726		6,616		556		115,786
Equity securities		43,714		24,462		20		68,156
Total	¥	240,446	¥	37,896	¥	963	¥	277,379

Fair value of residual contractual maturity of non-trading debt securities

	Millions of yen
	September 30, 2017
	Total		Years to maturity
			Less than 1 year		1 to 5 years		5 to 10 years		More than 10 years
Non-trading debt securities	¥	209,223	¥	30,148	¥	101,490	¥	57,189	¥	20,396

Fair value and gross unrealized losses of non-trading securities

	Millions of yen
	March 31, 2017
	Less than 12 months				More than 12 months				Total
	Fair value		Gross unrealized losses		Fair value		Gross unrealized losses		Fair value		Gross unrealized losses
Japanese government, agency and municipal securities	¥	27,318	¥	585	¥	0	¥	0	¥	27,318	¥	585
Foreign government, agency and municipal securities		3,366		198		—		—		3,366		198
Corporate bonds		28,398		930		—		—		28,398		930
Equity securities		1,394		22		—		—		1,394		22
Total	¥	60,476	¥	1,735	¥	0	¥	0	¥	60,476	¥	1,735
	Millions of yen
	September 30, 2017
	Less than 12 months				More than 12 months				Total
	Fair value		Gross unrealized losses		Fair value		Gross unrealized losses		Fair value		Gross unrealized losses
Japanese government, agency and municipal securities	¥	11,970	¥	228	¥	0	¥	0	¥	11,970	¥	228
Foreign government, agency and municipal securities		3,046		159		—		—		3,046		159
Corporate bonds		32,504		556		—		—		32,504		556
Equity securities		989		20		—		—		989		20
Total	¥	48,509	¥	963	¥	0	¥	0	¥	48,509	¥	963