Financial risk management (Tables)

12 Months Ended

Mar. 31, 2026

Financial Risk Management [Abstract]

The exposure to credit risk of the Company is as follows:


	As of March 31, 2025
(In millions)	Impairment loss allowance measured at lifetime expected credit losses
	Not credit-impaired		Credit-impaired		Total
Gross carrying amount
Cash and cash equivalents	¥	8,584	¥	—	¥	8,584
Cash segregated as deposits	51,655		—		51,655
Crypto assets held (current assets)(1)	370		—		370
Customer accounts receivable	1,086		—		1,086
Other financial assets(2)	495		0		495
Total gross carrying amount	62,190		0		62,190
Impairment loss allowance	—		(0)		(0)
Total net carrying amount	¥	62,190	¥	0	¥	62,190


	As of March 31, 2026
(In millions)	Impairment loss allowance measured at lifetime expected credit losses
	Not credit-impaired		Credit-impaired		Total
Gross carrying amount
Cash and cash equivalents	¥	9,458	¥	—	¥	9,458
Cash segregated as deposits	50,024		—		50,024
Crypto assets held (current assets)(1)	124		—		124
Customer accounts receivable	1,422		—		1,422
Other financial assets(2)	904		0		904
Total gross carrying amount	61,932		0		61,932
Impairment loss allowance	—		(0)		(0)
Total net carrying amount	¥	61,932	¥	0	¥	61,931

____________

(1) Crypto assets held (current assets) mainly consist of crypto assets deposited with third-party exchanges.

(2) Other financial assets mainly consist of deposits and guarantee deposits, as well as EURC and USDC. See Note 15 “Other financial assets.”

Disclosure of reconciliation of changes in loss allowance

Changes in allowance for doubtful receivables for other financial assets are as follows:


	As of March 31,
(In millions)	2025		2026
Balance at beginning of period	¥	0	¥	0
Increase	0		—
Balance at end of period	¥	0	¥	0

Disclosure of maturity analysis for financial assets held for managing liquidity risk

The maturity analysis of financial liabilities and the corresponding financial assets for managing liquidity risk are as follows. Cryptocurrencies for facilitating customer transactions are included in the following tables. The contractual cash flows below reflect cash flows presented on an undiscounted cash flow basis, including contractual interest payments.

As of March 31, 2025


(In millions)	Carrying amount		Contractual cash flows		Within one year		From one year to two years		From two years to three years		From three years to four years		From four years to five years		More than five years


Crypto asset borrowings	¥	44,479	¥	44,479	¥	44,479	¥	—	¥	—	¥	—	¥	—	¥	—
Other financial liabilities
- Borrowings	751		751		751		—		—		—		—		—
- Lease liabilities	1,277		1,293		384		356		356		197		—		—
- Derivative liabilities	—		—		—		—		—		—		—		—
- Other(1)	1,698		1,698		1,698		—		—		—		—		—
Total Other financial liabilities	¥	3,727	¥	3,742	¥	2,833	¥	356	¥	356	¥	197	¥	—	¥	—

Cash and cash equivalents	¥	8,584	¥	8,584	¥	8,584	¥	—	¥	—	¥	—	¥	—	¥	—
Crypto assets held	¥	44,680	¥	44,680	¥	44,680	¥	—	¥	—	¥	—	¥	—	¥	—

As of March 31, 2026


(In millions)	Carrying amount		Contractual cash flows		Within one year		From one year to two years		From two years to three years		From three years to four years		From four years to five years		More than five years


Crypto asset borrowings	¥	37,543	¥	37,543	¥	37,543	¥	—	¥	—	¥	—	¥	—	¥	—
Other financial liabilities
- Borrowings	2,758		2,758		2,105		581		37		37		—		—
- Lease liabilities	910		919		366		356		196		—		—		—
- Derivative liabilities	—		—		—		—		—		—		—		—
- Other(1)	2,051		2,051		2,051		—		—		—		—		—
Total Other financial liabilities	5,720		5,729		4,522		937		233		37		—		—

Cash and cash equivalents	¥	9,458	¥	9,458	¥	9,458	¥	—	¥	—	¥	—	¥	—	¥	—
Crypto assets held	¥	37,876	¥	37,876	¥	37,876	¥	—	¥	—	¥	—	¥	—	¥	—

____________

(1) Other financial liabilities mainly consist of accrued expenses, and other payables.

- Definition

The disclosure of the reconciliation of changes in the loss allowance and explanation of changes in the gross carrying amount for financial instruments. Loss allowance is the allowance for expected credit losses on financial assets measured in accordance with paragraph 4.1.2 of IFRS 9, lease receivables and contract assets, the accumulated impairment amount for financial assets measured in accordance with paragraph 4.1.2A of IFRS 9 and the provision for expected credit losses on loan commitments and financial guarantee contracts. [Refer: Gross carrying amount [member]]

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