JASDEC settlement operations

Wiki route

This entry sits under banking index as a settlement-infrastructure deep dive that is directly load-bearing for the trust-bank custody operating models. Read it alongside JASDEC entity page and JSCC clearing corp for the market-infrastructure side; with Master Trust Bank operating model, Custody Bank operating model, Japan master trust and custody bank landscape, and trust-bank custody operating comparison for the trust-bank routing; with Japan market infrastructure map for the macro plumbing view; and with MTBJ and CBJ for the institutional connection points. For TSE / OSE / JSCC integration context see Tokyo Stock Exchange and Osaka Exchange.

TL;DR

JASDEC (証券保管振替機構 / ほふり — Japan Securities Depository Center, Inc.) is Japan’s central securities depository for all dematerialized securities other than Japanese government bonds. It is FSA + Ministry of Justice-designated under the 振替制度 (book-entry transfer) regime. It runs four major book-entry systems — shares, corporate bonds, CP, and investment trusts — plus DVP settlement, pre-settlement matching, corporate-actions distribution, and foreign-stock custody support via its subsidiary JDCC (JASDEC DVP Clearing Corporation). Trust banks (MTBJ, CBJ, megabank trust arms), securities firms, and global custodians connect directly to JASDEC as participants. The settlement model interlocks with JSCC’s CCP function on the equity side and BoJ funds on the cash side, producing the DVP-X1 / DVP-X2 / DVP-X3 quality regime. For Japan custody analysis JASDEC is the rail; trust banks are the on-rail vehicles.

1. 機関位置

Field	JASDEC
Legal name (JA)	株式会社証券保管振替機構
Legal name (EN)	Japan Securities Depository Center, Inc.
Common short name	ほふり (hofuri)
Founded	2002-01-04 (株式会社化); JASDEC predecessor existed earlier as a 公的法人
Capital	~¥4.25 billion
Designation	FSA + Ministry of Justice-designated 振替機関 (book-entry transfer institution)
Primary subsidiary	JDCC (JASDEC DVP Clearing Corporation) for DVP cash-equity clearing
Functional position	Central securities depository (CSD) for all dematerialized JP securities other than JGB
HQ	Tokyo (株式会社証券保管振替機構)
Industry body / counterpart	JSCC (clearing CCP), BoJ (cash leg), TSE / OSE (trading venues)

What JASDEC is not

Common confusion	Correction
”JASDEC clears trades”	No — JASDEC operates book-entry transfer and settlement; central counterparty clearing is JSCC.
”JASDEC settles JGBs”	No — JGB settlement is via the BoJ JGB book-entry system.
”JASDEC is an investor / custodian”	No — JASDEC is infrastructure. The custodians are trust banks and global custodians; JASDEC is the rail they ride.
”JASDEC handles all foreign stocks”	Partial — JASDEC supports foreign stock certificate ops; cross-border ICSD connectivity is via Euroclear / Clearstream with sub-custody arrangements.

Participant types

Participant type	Examples
信託銀行 (custody-only)	[[trust-banks/master-trust-bank
信託銀行 (full-service)	[[trust-banks/mitsubishi-ufj-trust-bank
Securities firms	Nomura, Daiwa, SMBC Nikko, Mizuho Securities, regional brokers
Global custodians (Japan unit)	[[foreign-financial-institutions/bny-mellon-japan
Banks (general custody / 名義書換)	Megabanks, regional banks (limited custody mandate)
ICSD / cross-border infrastructure	[[foreign-financial-institutions/euroclear-bank-japan

Book-entry systems

System	Asset class	Year started	Key flow
株式振替制度	Dematerialized listed equity	2009-01 (paper-share abolition)	Trade match → JSCC CCP → JASDEC book-entry transfer → custodian account
一般債振替制度	Corporate bonds (普通社債, 転換社債), 地方債, 政府保証債, 財投機関債	Phased from 2006	OTC trade → JASDEC book-entry transfer
短期社債振替制度 (CP)	Commercial paper	2003-03	Issuance + secondary transfer via JASDEC
投資信託振替制度	Publicly offered 投信 units	2007-01	Subscription / redemption / transfer of 投信 受益権

DVP and ancillary services

Service	Function
DVP settlement	Simultaneous delivery (securities via JASDEC book-entry) + payment (funds via BoJ-net or 全銀ネット) — eliminates settlement-risk asymmetry
Pre-settlement matching	Trade matching service before DVP settlement; covers institutional cross-trades and broker-custody interfaces
Corporate actions	Distribution of dividend, interest, redemption proceeds; rights offerings; splits; mergers; tender-offer settlement
Issuer services	Issuer interface for shareholder identification at record dates; beneficial-owner list provisioning to issuers for AGM / dividend purposes
Foreign stock certificates	Custody-support services for foreign securities issued in Japan or held by Japanese investors
Tax / withholding ops	Withholding-tax processing on dividend / interest; foreign-investor tax-treaty reclaim support via custodian chain
JDCC DVP clearing	JASDEC DVP Clearing Corporation — JDCC handles funds netting on the cash leg for non-JSCC-cleared cash-equity DVP

Function-type breakdown

Function	Who initiates	Who settles	Where the cash leg sits
Listed-equity exchange trade	Investor → broker → TSE/OSE	JSCC CCP → JASDEC book-entry transfer → custodian account	BoJ-net funds via JSCC participants
Listed-equity OTC trade	Investor → broker → counterparty broker	JASDEC + JDCC	BoJ-net or 全銀ネット
Corporate bond OTC trade	Investor → broker → counterparty broker	JASDEC 一般債振替	BoJ-net (large lot) or 全銀ネット
Commercial paper	Issuer → dealer → investor	JASDEC 短期社債振替	BoJ-net
投信 unit transfer	Distributor → 投信協会 ops → fund	JASDEC 投信振替	Cash settlement per distributor channel
投信 receipt / NAV-based settlement	Trust bank / asset manager	JASDEC + trust-bank books	Settlement-account residual

3. 競合構造

JASDEC is a single-CSD national infrastructure — there is no domestic alternative for the asset classes it covers. The “competitive” map is therefore about:

Comparison axis	JASDEC	Alternative / overlapping
Equity / corporate bond / CP / 投信 dematerialized settlement	Only domestic option	None — JASDEC is the designated 振替機関 under 振替制度
JGB settlement	Not applicable	BoJ JGB book-entry system is the alternative (separate infrastructure)
CCP clearing for cash equity	Not applicable	JSCC as central counterparty layer above JASDEC
Cross-border / ICSD settlement	Re-routed via bilateral links + global custodians	Euroclear + Clearstream as ICSD layer (with Japan sub-custodians)

Cross-infrastructure interaction

Layer	JASDEC role	Counterpart
Trading venue	Receives matched trade data	TSE, OSE, ODX, PTS
Clearing CCP	Receives novation-confirmed obligation data	JSCC
Funds settlement	Cash leg via BoJ-net or 全銀ネット	BoJ, 全銀ネット, Zengin EDI
Issuer interface	Beneficial-owner list, record-date snapshot	Issuers (上場会社) via 株式事務代行銀行
Foreign-link	Inbound foreign sub-custody chain; outbound JP-securities to ICSD	Global custodians, Euroclear, Clearstream

4. 手数料・収益構造

JASDEC operates as a utility-pricing infrastructure with regulated rates rather than market pricing.

Revenue line	Pricing basis	Public visibility
Participation fee (固定)	Per-participant annual	Disclosed in fee schedule (JASDEC public)
Per-transaction settlement fee	Per book-entry transfer	Disclosed in fee schedule
Issuer service fee	Per issuer, per CA event, per record-date snapshot	Disclosed in fee schedule
DVP service fee	Per DVP transaction	Disclosed in fee schedule
投信 振替 fee	Per 投信 unit transfer / subscription / redemption	Disclosed in fee schedule
JDCC clearing fee	Cash-equity DVP funds-netting fee	Disclosed in JDCC fee schedule

Regulatory designations

Designation	Source	Implication
振替機関 (book-entry transfer institution)	社債、株式等の振替に関する法律 (振替法) — designated by FSA + 法務省	Sole legal authority to operate dematerialized book-entry transfer for listed equity, corp bonds, CP, 投信
FMI (Financial Market Infrastructure)	BIS-IOSCO PFMI standards via FSA / BoJ joint oversight	Must meet PFMI principles (default-risk, operational-risk, settlement-finality standards)
FSA supervisory authority	金商法 + 振替法 + 内閣府令	On-site exam, governance, IT-risk supervision
BoJ oversight	BoJ payment-system oversight framework	Joint oversight given DVP link to BoJ-net

Settlement finality

Settlement under the 振替制度 is legally final once book-entry transfer completes — there is no clawback under normal operations. This is the structural reason why DVP-X1 / X2 / X3 settlement is treated as institutional-grade.

DVP-X1 / X2 / X3 quality classification

Quality tier	Description
DVP-X1	Pre-settlement matching + JSCC-cleared cash equity; full DVP with funds netting
DVP-X2	OTC cash-equity DVP via JDCC funds netting
DVP-X3	Bond / 投信 DVP via JASDEC + 全銀 cash leg

Accounting treatment for trust-bank participants

Item	Treatment
Securities held in JASDEC book-entry on behalf of clients	Off-balance-sheet for trust bank; on-balance for beneficial owner
Cash settlement-account residuals at custodian	On-balance (small)
Settlement-fee expense to JASDEC	Operating expense line in custodian P&L
Custody-fee revenue from upstream client	Operating revenue in custodian P&L

6. JASDEC / clearing infrastructure connection

        ┌─────────────────────────────┐
        │  Trading venues             │
        │  TSE / OSE / ODX / PTS      │
        └─────────────┬───────────────┘
                      │ matched trade
                      ▼
        ┌─────────────────────────────┐
        │  JSCC                       │
        │  (central counterparty for  │
        │  cash equity + repo + JGB   │
        │  OTC derivatives)           │
        └─────────────┬───────────────┘
                      │ novated obligation
                      ▼
        ┌─────────────────────────────┐
        │  JASDEC                     │
        │  - 株式振替                  │
        │  - 一般債振替                │
        │  - 短期社債振替              │
        │  - 投信振替                  │
        │  - JDCC DVP cash-leg netting │
        └─┬──────────────────────┬────┘
          │ book-entry transfer  │ cash leg
          ▼                      ▼
        ┌────────────────────────────────┐    ┌──────────────────────┐
        │  Trust banks / custodians      │    │  BoJ-net / 全銀ネット │
        │  - MTBJ, CBJ (custody-only)    │    │  funds settlement    │
        │  - MUFG Trust, SMTB, Mizuho    │    └──────────────────────┘
        │    Trust (full-service)        │
        │  - BNY, State Street, JPM,     │
        │    Citi (global custodians)    │
        │  - Securities firms            │
        └────────────────────────────────┘
                      │
                      ▼
        ┌─────────────────────────────┐
        │  Beneficial owners          │
        │  GPIF, pensions, 投信,       │
        │  insurers, retail investors │
        └─────────────────────────────┘

Trust-bank participant interaction model

MTBJ and CBJ each maintain direct JASDEC participant accounts. Their book-entry positions on behalf of underlying asset-owner mandates produce the “信託口” nominee patterns visible on issuer shareholder registers. JASDEC’s beneficial-owner-disclosure service exists to give issuers a periodic look-through at record date, but the public top-shareholder list still shows the “信託口” name as the recorded holder.

Cross-border / ICSD link

For cross-border settlement of JP-issued securities held by foreign investors, the chain is:

Foreign investor
  → Global custodian (BNY / State Street / JPM / Citi)
    → Japan sub-custodian (trust bank — often MTBJ / CBJ / megabank trust arm)
      → JASDEC book-entry account

For JP investor holdings of foreign-issued securities, the inverse chain is used:

JP investor
  → JP custodian (trust bank)
    → JP sub-custody via global custodian
      → ICSD (Euroclear / Clearstream) or local CSD

Tokenized securities open question

Tokenized 信託受益権 securities issued via Progmat and similar platforms run on parallel DLT ledgers. Their integration with the JASDEC book-entry rail is still being designed:

Design option	Trade-off
ST issued on parallel ledger only	Loses JASDEC settlement-finality protection; relies on ST-platform finality rules
ST mirrored to JASDEC book-entry	Doubles infrastructure cost; legal-status of mirror entry is unclear
ST anchored to JASDEC by reference	Hybrid; legal status under 振替法 needs clarification

JASDEC’s evolution on this front will materially shape whether trust banks can offer institutional-grade ST custody as easily as conventional securities custody.

Related

• INDEX
• master-trust-bank-operating-model
• custody-bank-operating-model
• japan-master-trust-and-custody-bank-landscape
• japan-trust-bank-custody-map
• japan-trust-bank-vs-global-custodian-comparison-matrix
• trust-bank-custody-operating-comparison
• trust-bank-fee-structure-comparison
• japan-securities-depository-center
• japan-securities-clearing-corp
• japan-market-infrastructure-map
• tokyo-stock-exchange
• osaka-exchange
• osaka-digital-exchange
• japan-security-token-secondary-market-route
• master-trust-bank
• custody-bank
• mitsubishi-ufj-trust-bank
• sumitomo-mitsui-trust
• mizuho-trust-bank
• bny-mellon-japan
• state-street-japan
• jpmorgan-japan
• citigroup-japan
• euroclear-bank-japan
• clearstream-banking-japan
• progmat
• japan-listed-financial-groups-investable-universe

Sources

• JASDEC: official site (Japanese + English), system pages, company outline.
• JSCC: clearing CCP pages and DVP cash-equity materials.
• BoJ: JGB book-entry settlement system materials.
• FSA: 振替法 supervisory page and trust-business financial institution list.
• Trust Companies Association of Japan: trust-bank participant information.
• Wikipedia (cross-reference): JASDEC entries and ほふり history.