BREAKING · 30-yr Treasury tops 5.1% for first time since 2007 — CPI 3.8% YoY — Fed frozen — war cost $29B+ — $200B supplemental pending · May 15, 2026
Updated May 15, 2026 New page — bond crisis tracker What changed ▾
May 15
Page launched. 30-yr yield crossed 5% (May 13) for first time since 2007. CPI hit 3.8% (April data, released May 12). Fed held at 3.75% at April 29 FOMC — 8-4 divisive vote. War cost: $29B direct, $200B supplemental pending. Kevin Warsh confirmed as new Fed Chair.
May 13
30-yr Treasury yield crosses 5% at auction — $25B in bonds priced at 5.046%. Demand falls short of expectations at 3-yr and 10-yr auctions. Inflation fears cited by dealers.
May 12
April CPI released: +3.8% YoY, highest since May 2023. Energy index +28.4% YoY. Gasoline +28.4% YoY. Real wages: -0.3% YoY. Bond market selloff accelerates.
Apr 29
FOMC holds fed funds rate at 3.50%–3.75% for third consecutive meeting. Vote: 8-4 — closest split since 1992. Market pricing in no cuts until mid-to-late 2027. BofA: Fed on hold for all of 2026.
May 12
Pentagon: Iran war cost reaches $29B, not including base damage. Breaking Defense. $200B supplemental request being prepared for Congress. $40T national debt; $1T/yr interest burden already baked in.
Bond Watch — US Debt Through the Hormuz Shock

Oil shock hits the bond market.
The feedback loop nobody priced in.

The Hormuz blockade was supposed to be a shipping crisis. It became a macro one. Brent near $109 is pushing US CPI to 3.8% — the highest since May 2023 — and the Federal Reserve, already frozen under new chair Kevin Warsh, cannot cut rates. The 30-year Treasury yield crossed 5% on May 13 for the first time since 2007. The 10-year is at 4.59%. War costs $29B direct and climbing, with a $200B supplemental en route to a Congress still arguing about the debt ceiling. National debt nears $40 trillion. Annual interest expense: $1 trillion and rising. Three forces are colliding at once: an oil-inflation feedback loop, a paralyzed central bank, and a war bill that has to be financed in a market already questioning US fiscal trajectory.

30-yr yield 5.1% · CPI 3.8% · Fed on hold · war cost $29B+ · May 15, 2026
10-yr Treasury yield
4.59%
Near a one-year high. Rose 14bps in a single session May 15. 30-yr crossed 5% for the first time since 2007. Pre-war (Jan 26): 4.40%.
CPI — April 2026
3.8%
Highest since May 2023. Energy index +28.4% YoY. Core CPI 2.8%. Real average hourly wages: -0.3% YoY. Fed target: 2%.
Fed funds rate
3.75%
Held at 3.50%–3.75% for three straight meetings. 8-4 divisive vote Apr 29. Market pricing: no cuts until mid-to-late 2027. BofA: on hold all year.
Iran war cost (direct)
$29B+
Pentagon comptroller, May 12. $1B/day burn rate in opening weeks. $200B supplemental pending. ~$24B is equipment replacement. Deficit-financed.
The debt spiral: how Hormuz became a bond crisis
Hormuz blockade
→
Oil near $109/bbl
→
CPI 3.8%
→
Fed frozen
→
Yields rise
→
Debt interest spikes
→
War bill added
→
More issuance
→
Yields rise further
The US government must now issue more debt into a market where yields are rising precisely because of a war it is fighting. Every percentage point increase in the average yield on $40T of outstanding debt adds roughly $400B to the annual interest bill over time — a cost that itself must be borrowed. The Congressional Budget Office projected $1T in interest expense for 2026 before the war. The supplemental spending package and ongoing operations will add to that trajectory. Meanwhile, the Fed — divided 8-4 in its April vote — cannot cut to relieve pressure without risking reigniting inflation, which is already well above target due to the same oil shock.
Bond Markets
Treasury yields & the inflation that froze the Fed

The 30-year yield is above 5% for the first time since 2007 — before the Global Financial Crisis. The 10-year is at its highest in nearly a year. Energy-driven inflation has made it impossible for the Fed to cut rates to relieve fiscal pressure.

US Treasury Yields
10-year and 30-year yields, monthly — percent
US CPI Inflation (YoY)
Headline CPI year-over-year vs. Fed 2% target — April 2026 is latest
The Three Pressures
Where the stress is building

The bond market strain comes from three distinct but reinforcing directions. Any one alone would be manageable. All three at once is the problem.

🔥
Angle 1 — Inflation Feedback
Oil shock → inflation → Fed paralysis
3.8%
CPI YoY, April 2026 — highest since May 2023
Energy prices are up 28.4% year-over-year, driven almost entirely by the Hormuz closure. That energy shock is now bleeding into core categories: shelter (+0.6% MoM), transport, food. Core CPI at 2.8% is well above the Fed's 2% target. New Fed Chair Kevin Warsh oversaw an 8-4 divisive FOMC vote in April to hold. BofA sees no cuts in 2026. Market pricing: first cut not until mid-2027. Every month the blockade continues, the Fed's hands stay tied — and Treasury yields price in higher-for-longer.
🇨🇳
Angle 2 — Foreign Holder Risk
Who holds the debt — and who might sell
$9.49T
Total foreign Treasury holdings — February 2026 record
Total foreign holdings hit a record $9.49T in February 2026 — but the composition is shifting. China has cut its holdings nearly in half since 2019 and is down 11% in the most recent period. Japan ($1.24T, largest holder) is the marginal buyer and has its own fiscal pressures with JGB yields at multi-decade highs. Gulf states — traditional buyers of US Treasuries as petrodollar recycling — are watching oil revenue fall as the blockade cuts their own export revenues. A coordinated selloff remains unlikely, but even a slowdown in purchases forces the Treasury to find new buyers at higher rates. The Trump-Xi Beijing summit produced pledges but no structural change to China's declining holdings trajectory.
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Angle 3 — War Financing
The $200B bill that has to be borrowed
$200B
Pentagon supplemental request — heading to Congress
The direct cost of the Iran campaign has reached $29B as of May 12 — $1B/day in the opening weeks. The Pentagon has presented a $200B supplemental appropriations request covering munitions replenishment, equipment replacement (radars, interceptors, drones), fuel costs, and servicemember pay. The administration has not formally submitted it to Congress. The US already carries ~$40T in national debt and is paying ~$1T per year in interest. Each point of additional yield on new issuance adds ~$400B in long-run cost. The war is being financed in one of the most expensive borrowing environments in years — caused partly by the war itself.
Federal Funds Rate (Upper Bound)
FOMC decisions 2025–2026 — cuts stalled as war-driven inflation rose
Top Foreign Holders of US Treasury Securities
In $billions — most recent available data — China declining, Japan holding
Foreign Holder Watch
Who buys US debt — and who is pulling back

Foreign creditors hold $9.49T in US Treasuries — a record. But the direction of the two largest holders is diverging sharply, and Gulf state recycling is under strain.

🇯🇵
Japan
$1,240B
Largest foreign holder
Holdings up 11% YoY. Japan is the marginal stabilizing buyer of US Treasuries — but JGB yields are at multi-decade highs and the Bank of Japan's policy shift creates competing demand for domestic bonds. Watch closely.
🇬🇧
United Kingdom
$897B
2nd largest foreign holder
Largely financial-center intermediaries (City of London, fund managers) rather than sovereign holdings. Less geopolitical risk but sensitive to global risk-off shifts.
🇨🇳
China
$750B
Down ~45% from 2019 peak
China + HK shed $96B in the past 12 months. Holdings have been nearly halved from the ~$1.3T 2013 peak. The Beijing summit produced no reversal — Xi told Trump China keeps buying Iranian oil. The structural selldown continues.
🇧🇪
Belgium
$385B
Euroclear proxy holdings
Mostly Euroclear custody accounts on behalf of European institutional investors. Stable but not a geopolitical actor.
🇰🇾
Cayman Islands
$425B
Offshore fund vehicles
Hedge fund and private equity vehicles. Flows can reverse rapidly in risk-off environments — a more volatile slice of foreign demand.
🌍
Gulf States
~$300B
Saudi, UAE, Kuwait combined
Traditional petrodollar recyclers. Their own oil revenues are disrupted by the Hormuz closure — and their ports (Abu Dhabi, Fujairah) have been struck. Their capacity to absorb new US issuance at pace is under strain.
War Financing Timeline
From $1B/day to $200B on the table

The Iran campaign's cost trajectory has accelerated from munitions burns in the opening strikes to a multi-hundred-billion supplemental request that must be financed in an already-stressed bond market.

💰
Feb 28, 2026
War begins — $1B/day burn rate
US and Israel launch airstrikes against Iran. Opening phase burns through approximately $1 billion per day in precision munitions, fuel, and air defense interceptors. TLAM cruise missiles and JDAM costs dominate early spending.
Day 1 — burn rate: ~$1B/day
📊
March 19, 2026
Hegseth floats $200B supplemental
Defense Secretary Hegseth signals to Congress that a $200 billion supplemental appropriations request will be needed to fund the ongoing campaign, munitions replenishment, base damage repair, and partner military support. No formal submission yet. Congress has not approved it.
$200B request flagged — not yet submitted
💳
April 17, 2026
White House seeks record defense budget; Congress pushes back
NPR reports the White House is seeking a record defense budget layered on top of the supplemental. Congress raises questions about spending accountability, cost controls, and how the war will be financed. Deficit hawks and defense hawks clash. No debt-ceiling deal in sight.
Congress resistance — fiscal standoff
📉
April 29, 2026
FOMC holds — 8-4 divisive vote — no cuts
The Federal Reserve holds the federal funds rate at 3.50%-3.75% for the third straight meeting. The 8-4 vote is the most divided since 1992, reflecting deep disagreement about whether oil-driven inflation is transitory or structural. Market pricing shifts — cut expectations pushed from late 2026 to mid-to-late 2027. BofA declares Fed on hold for all of 2026. Bond markets begin pricing in higher-for-longer.
Fed frozen — 8-4 vote — no cuts until 2027
💸
May 12, 2026
War cost hits $29B — Pentagon seeks additional funding
Breaking Defense reports the official war cost has reached $29 billion — not including base damage or indirect costs. ~$24B is equipment replacement. The Pentagon formally seeks additional funding from Congress. Al Jazeera notes estimates range from $25B to over $1 trillion depending on scope (direct military vs. economic impact of the blockade itself).
$29B direct cost — $200B supplemental incoming
📈
May 13–15, 2026
30-yr yield crosses 5% — April CPI 3.8% — auction demand weak
The 30-year Treasury yield crosses 5% at auction — the first time since 2007 — as $25B in bonds are priced at 5.046% with below-expected demand. The 10-year rises to 4.59% on May 15. Demand also weak at 3-year and 10-year auctions. The April CPI reading of 3.8% (released May 12) is the trigger — energy prices drove 40%+ of the gain. Fortune: "demand for longer-term US debt gets weaker as shock after shock stokes fear that high inflation is here to stay."
30-yr above 5% — first time since 2007 — 10-yr at 4.59%

Sources