The
following is my answer to a Quora question: “Do
you think issuing a $1 billion 10-year dollar bond is a good strategy for
Vietnam? What coupon should be issued
for the bond?”
The
question has two parts. Is a US$1
billion 10-year dollar bond a sound strategic move for Vietnam? And what coupon should it carry? Neither answer is simple.
The
Strategic Case
Vietnam’s
economy warrants external borrowing for one straightforward reason: the
infrastructure gap between its growth ambitions and its current capital stock
is enormous. GDP growth has averaged
approximately 6 to 7 per cent annually over the past decade. The Asian Development Bank estimates Vietnam’s
infrastructure financing requirement at US$25 billion annually through
2030. Domestic capital markets cannot
absorb this demand at the required tenor.
The domestic bond market is shallow, dominated by short-duration
instruments, and insufficient to fund decade-long infrastructure projects at
scale.
A
US$1 billion 10-year sovereign dollar bond achieves three things
simultaneously. It raises external
capital at a fixed cost for a full decade.
It establishes a sovereign yield curve benchmark that Vietnamese
corporates and state enterprises can price off — reducing the cost of
subsequent private sector dollar issuance.
And it signals to international capital markets that Vietnam is a
credible, accessible borrower — a signal with lasting value for a country
integrating itself into global supply chains at an accelerating pace.
The
supply chain dimension deserves specific attention. Vietnam has been the primary beneficiary of
the US-China manufacturing decoupling that accelerated from 2018 onward. Apple, Samsung, Intel, and dozens of major
technology manufacturers have relocated production capacity to Vietnam. FDI inflows reached US$18 billion in
2025. The country is building an
industrial base that requires roads, ports, power infrastructure, and digital
connectivity at a pace that domestic savings alone cannot fund. A sovereign bond establishes the credibility
architecture that attracts the institutional capital required to fund this
build-out. It is not merely a financing
instrument. It is a statement of intent.
Vietnam
issued a US$1 billion 10-year sovereign bond in November 2021 at a coupon of
3.8 per cent. Demand reached US$5
billion against the US$1 billion on offer — a five-times oversubscription that
reflected the compressed yield environment of 2021 and investor appetite for
Vietnamese sovereign credit. The
conditions in October 2026 are materially different. The borrowing cost will be higher. The strategic rationale is unchanged.
Vietnam’s
Credit Profile
Vietnam
carries a BB+ rating from both Standard & Poor’s and Fitch, and BB from
Moody’s and regional rating agencies.
This places it in the upper tier of sub-investment grade sovereign
borrowers — better positioned than Pakistan, less so than Indonesia, which
achieved investment grade status with Moody’s in 2023. The BB+ rating reflects credit strengths.
Vietnam’s
public debt-to-GDP ratio is 37 per cent — conservative by regional standards
and dramatically below the fiscal trajectories of the developed world. The United States is at 122 per cent and
rising. Japan is at 250 per cent. Vietnam’s fiscal position is not a problem.
Foreign
exchange reserves are US$88 billion, representing 3.5 months of import cover —
adequate, though the IMF’s recommended minimum of three months provides limited
headroom against a sudden capital account reversal. The State Bank of Vietnam has historically
managed the dong-dollar exchange rate with a managed float that has provided
reasonable stability, and interventions in the currency market have drawn on
reserves at periods of stress.
Inflation
was 3.35 per cent as of March 2026 — within the State Bank’s target band. The interest rate is 4.50 per cent. These are not the numbers of an economy under
financial stress. The current account
has oscillated between modest surplus and modest deficit, reflecting the
capital-intensive character of Vietnam’s manufacturing expansion. The FDI inflows that fund this expansion are
not debt — they are equity, which does not create the repayment obligations
that external borrowing does. The
addition of a US$1 billion sovereign bond to the external liability profile is
manageable within Vietnam’s current external balance sheet.
The
credit weaknesses are institutional rather than macroeconomic. Governance quality, transparency of public
finances, the pace of state-owned enterprise reform, and the depth of the
domestic capital market all constrain the rating. The 2023 bond market crisis — in which
several large Vietnamese property developers defaulted on domestic bond
obligations, triggering a broader loss of confidence in the corporate bond
market — demonstrated the fragility of domestic financial infrastructure when
under stress. International investors
noted this. The rating agencies noted
this. The spread demanded on Vietnamese
sovereign dollar credit reflects it.
These
are not problems that improve quickly.
They are structural and generational.
What matters for the immediate bond issuance is that they are known,
documented, and already priced into the existing BB+ rating. A new bond issuance does not create new
institutional risk. It creates new
exposure to existing, quantified risk.
The
Pricing Framework
The
coupon on a Vietnamese 10-year dollar sovereign bond in October 2026 is
determined by a straightforward framework, applied to market data that is
moving daily. The starting point is the
US 10-year Treasury yield. This is the
risk-free rate — the return available on the most liquid, most creditworthy
sovereign debt instrument in the world.
All other sovereign dollar bond yields are priced as a spread above this
benchmark.
The
US 10-year Treasury yield in early October 2026 is 4.5 to 4.7 per cent. It has risen sharply in the October global
sell-off — the same move that drove down Singapore bank stocks — as investors
reassessed the trajectory of Federal Reserve policy following stronger-than-expected
US employment data. The yield has not
yet found a stable level. This
uncertainty is itself a pricing input.
To
the Treasury yield, the market adds a credit spread reflecting Vietnam’s
rating, liquidity profile, and regional risk environment. BB+ rated sovereigns trade at spreads of 150
to 250 basis points over equivalent US Treasuries in current market conditions. The lower end of the range reflects stable,
well-known credits with deep investor bases — Indonesia and the Philippines,
for example. The higher end reflects
credits with shallower investor bases, less frequent issuance, and a risk-off
market environment. Vietnam sits toward
the upper end of the BB+ range for the following reasons.
First,
Vietnamese sovereign dollar bonds are less frequently traded than Indonesian or
Philippine sovereigns. Lower secondary
market liquidity commands a premium.
Investors who buy a less liquid instrument must be compensated for the
possibility that they cannot exit at a reasonable price if conditions
deteriorate.
Second,
the October 2026 market environment is risk-off. Global banking stocks are selling off. US Treasury yields are volatile. Emerging market credit spreads are widening
across the board. Issuing into a
risk-off environment means paying a spread that reflects current conditions
rather than the tighter spreads available in more favourable windows.
Third,
Vietnam’s domestic bond market crisis of 2023 introduced a residual caution
among international investors that has not fully dissipated. The sovereign credit is insulated from
corporate defaults — the government did not guarantee the defaulting property
developers — but the episode demonstrated that Vietnam’s financial system
infrastructure has vulnerabilities that more mature markets do not.
The
Vietnam 10-year domestic government bond yield was 4.47 to 4.57 per cent as of
early October 2026. This is the
dong-denominated rate — the rate Vietnamese institutional investors demand for
lending to their own government in their own currency. Dollar bond investors require additional
compensation for three things the domestic rate does not carry: US dollar
funding costs, currency conversion risk, and the illiquidity premium of holding
a less actively traded instrument in a foreign market.
Assembling
these components:
US
10-year Treasury yield: approximately 4.5 to 4.7 per cent.
Credit
spread for BB+ Vietnamese sovereign: approximately 175 to 225 basis points.
Illiquidity
and new issue premium: approximately 25 basis points.
Total:
approximately 6.25 to 7.0 per cent.
The
midpoint —6.5 per cent — is the defensible starting point for any bookrunner’s
initial price thoughts. In practice,
bookrunners launch at a spread wider than where they expect to price, collect
orders, and tighten the spread as demand builds. A well-executed book-building process on a
Vietnamese sovereign could price at 6.25 per cent if demand is strong. A weaker book in the current risk-off
environment could result in pricing at 6.75 per cent or above.
The
2021 bond priced at 3.8 per cent. The
difference between 3.8 per cent and 6.5 per cent is not a reflection of Vietnam’s
credit deterioration. Vietnam’s
fundamentals are, if anything, stronger in 2026 than they were in 2021. The difference is the global rate
environment. Borrowing at 6.5 per cent
in 2026 is the consequence of borrowing in a world that has rediscovered what
interest rates are.
The
OECD Accession Dimension
A
specific and underappreciated factor strengthens the strategic case for
issuance: Vietnam’s OECD accession process.
Vietnam formally applied for OECD membership and has been engaged in the
accession review process. OECD
membership — or even the credible candidacy for membership — provides a strong
positive signal to international capital markets about the trajectory of
governance, institutional quality, and regulatory frameworks. Thailand’s formal invitation to begin OECD
accession negotiations in 2024 produced a measurable tightening of Thai
sovereign credit spreads as investors repriced the country’s institutional risk
trajectory.
Vietnam’s
OECD accession, if it proceeds, will progressively tighten the spread demanded
on Vietnamese sovereign credit as investors reprice the institutional risk
premium downward. Issuing a sovereign
bond in the current period — before accession is formalised — means paying a
spread that includes the institutional risk premium. A bond issued after accession progress
becomes clearer will be cheaper.
This
is an argument for patience. Not
indefinitely — the infrastructure need is real, and the benchmark curve has
value regardless of the rate environment — but specifically for waiting until
OECD accession milestones have produced measurable spread tightening.
The
Timing Question
The
strategic case for the bond is sound.
The timing is not ideal. October
2026 presents three simultaneous headwinds.
US Treasury yields are elevated and volatile, driven by
stronger-than-expected US employment data and uncertainty about the Federal
Reserve’s terminal rate. Emerging market
credit spreads are widening across the board as risk appetite contracts. The global banking sector sell-off of 7th
and 8th October — in which OCBC fell 10 per cent, DBS fell 6 per
cent, and UOB fell 8 per cent in two trading sessions — is symptomatic of the
broader risk-off shift that makes any sub-investment grade issuance more
expensive in this window.
These
are cyclical, not structural, headwinds.
They will reverse. The question
for Vietnam’s government finance ministry is whether the capital requirement is
urgent enough to justify the current spread environment. If the infrastructure pipeline has projects
ready for immediate deployment — power plants, ports, road corridors — with
internal rates of return above 6.5 per cent over ten years, then issuing now is
financially rational. Paying 6.5 per
cent for infrastructure generating 8 per cent returns is sound economics
regardless of market timing.
If
the issuance is more opportunistic — building reserves, pre-financing future
maturities, or establishing the benchmark curve without an immediate deployment
need — then waiting for a more favourable window in Q1 or Q2 2027 is the
disciplined choice. US Treasury
volatility is likely to subside as the Federal Reserve’s rate trajectory
becomes clearer. Vietnamese sovereign
credit spreads are likely to tighten as OECD accession progress becomes
visible. The combination could reduce
the borrowing cost by 50 to 100 basis points — representing US$50 million to
US$100 million in interest savings over the bond’s ten-year life on a US$1
billion issuance.
The
Recommendation
Vietnam
should issue the bond. The strategic
rationale is strong, the credit fundamentals support the issuance, and the
benchmark curve value is real and lasting.
The coupon in current conditions is 6.25 to 6.75 per cent — a midpoint
of 6.5 per cent. This is not a
reflection of Vietnam’s creditworthiness.
It is the price of the global rate environment. The timing should be driven by project
readiness rather than market opportunism.
If the capital has a deployment home, issue now. If it does not, wait for Q1 2027 when
conditions may be more favourable.
What
Vietnam should not do is allow the higher coupon to deter the issuance
entirely. The strategic benefits — the
benchmark curve, the institutional credibility, the signal to international
investors — do not disappear because the rate environment is unfavourable. They are durable and compound over time. The 2021 bond at 3.8 per cent was a
windfall. The 2026 bond at 6.5 per cent
is the price of doing business in a world with normal interest rates. Vietnam can afford both.
Terence
Nunis | Executive Chairman, Equinox Zenith | Author, The 1% Playbook: The
Billionaire Cheat Code





