Global SPR Release Tracker: Risk of a Cliff-Edge Decline in July

Overview

This report, published by Morgan Stanley’s commodities strategy team, aims to clarify fragmented and hard-to-track global Strategic Petroleum Reserve (SPR) release data. The core finding is that while International Energy Agency (IEA) members have announced massive SPR releases (~426 million barrels), the actual physical volumes entering the market are far lower (~150 million barrels). More critically, as Japan, South Korea, and several European countries conclude their release programs, global SPR releases will experience a 'cliff-edge' decline in July 2026—from an average of 2.5 million barrels/day in Q2 to roughly 700,000 barrels/day in Q3. The report analyzes the physical limitations on U.S. SPR drawdown rates and potential policy responses, warning markets to prepare for diminished supply support in Q3.

Core views

Gap Between Announced and Actual SPR Releases: The IEA initially announced a 400-million-barrel release in March, later revised upward to 426 million barrels (including Canadian and Mexican production commitments). However, as of May 25, only ~150 million barrels had been physically delivered, averaging ~2.3 million barrels/day—below the 2.5–3.0 million barrels/day cited by the IEA Executive Director. This discrepancy likely stems from European countries announcing plans without executing them, leading to an undercount of 20–40 million barrels. U.S. and Japan Dominate Releases: The U.S. and Japan account for the vast majority of deliveries. The U.S. has contracted 132.9 million barrels (most of its authorized 172 million barrels) and physically withdrawn 50.3 million barrels. Japan has committed ~99 million barrels and moved 50–55 million barrels. Notably, Japan’s releases go directly to domestic refiners (e.g., ENEOS, Idemitsu), making them invisible in shipping data and often underestimated by markets. In contrast, U.S. crude is re-exported via traders and thus more visible. July 'Cliff' Risk: Currently tracked monthly releases remain high at 75–80 million barrels in April–June but are expected to plunge to ~22 million barrels in July and further to ~20 million barrels in August. This is because Japan’s Phase 2 ends in early July, South Korea has fulfilled its IEA quota, and releases by Spain and Hungary expire by end-June. Thereafter, only the U.S. fourth tender (T4) continues at ~18 million barrels/month. Physical Bottlenecks in U.S. Drawdowns: U.S. SPR withdrawal rates peaked at a record 1.4 million barrels/day in mid-May, but the Department of Energy (DOE) warns that as inventories fall below 365 million barrels, water-injection efficiency in salt caverns declines, reducing extraction rates. The report forecasts rates will moderately fall to 1.0–1.2 million barrels/day in June–July and further to 0.7–0.9 million barrels/day in August, potentially delaying some T4 deliveries into September. Options to Fill the Gap: Mitigating the July cliff depends on three factors: (1) the U.S. announcing a fifth tender (T5) by mid-June—moderate probability, contingent on Strait of Hormuz tensions; (2) a second IEA-coordinated release—low probability; (3) previously announced but unexecuted European countries (Germany, France, Italy, etc.) beginning physical deliveries. If none occur, monthly Q3 releases will be ~60 million barrels lower than in Q2.

Analysis framework

The report combines bottom-up data tracking with top-down policy analysis. First, it integrates data from Argus, Platts, and national energy agencies (e.g., U.S. DOE, Japan METI) to build a physical SPR release tracking model that distinguishes 'announced volumes' from 'actual physical withdrawals,' revealing market perception gaps. Second, it conducts micro-level analysis of key contributors (U.S., Japan), particularly examining technical constraints of U.S. salt-cavern extraction (relationship between inventory levels and pumping rates) and declining subscription rates in tenders (T4 subscription fell to 58%, signaling weakening demand). Finally, based on publicly disclosed delivery windows, it projects near-term supply rhythms, identifies July as a critical inflection point, and defines specific watchpoints (e.g., U.S. T5 announcement, Japan Phase 3 policy) for dynamic forecast updates.

Methodology notes

• Industry/ Sector Analysis FrameworkSupply-demand framework

  SPR releases as a short-term supply shock absorber

  The report treats SPR releases as a key supply-side variable mitigating short-term supply shortages. By tracking actual physical inflows rather than policy announcements alone, it provides a more accurate assessment of their impact on market balances.

• Event Arbitrage & Behavioral FinanceExpectation Gap / Expectation Management

  Gap between announced and executed release volumes

  The report emphasizes that markets often overestimate SPR impacts because many countries announce plans without execution (e.g., some European nations). Comparing 'announced' vs. 'physically confirmed' volumes reveals potential market expectation biases, helping investors assess supply additions more rationally.

• Industry/ Sector Analysis Framework

  Physical infrastructure constraint analysis (salt cavern extraction efficiency)

  The report incorporates engineering insights: SPR oil is stored in salt caverns requiring water injection to displace crude. As inventory levels drop, pressure declines, naturally reducing pumping rates. This physical constraint limits maximum sustainable release capacity and is a critical non-economic factor in assessing supply sustainability.

Key data

• Total IEA-Announced Release Volume426 million barrelsIncludes Canadian and Mexican production commitments, not pure SPR withdrawals
• Actual Physical Releases (as of May 25)~150 million barrelsAverage delivery rate ~2.3 million bpd, below announced levels
• Global Avg. Daily Release Rate (Apr–Jun)2.5 million bpdCurrent high-run period
• Projected Avg. Daily Release Rate (Jul–Aug)~700,000 bpdExpected cliff-edge decline due to expiring national programs
• Latest U.S. SPR Daily Withdrawal Rate1.4 million bpdRecord high in mid-May; expected to decline to 0.7–1.2 million bpd
• U.S. Fourth Tender (T4) Subscription Rate58%Significantly lower than near-100% rates in prior rounds, indicating weakening marginal demand

Impact & implications

The report argues that SPR releases have effectively absorbed supply shocks in recent months, but this support will markedly weaken in July. For crude markets, this means the policy-driven supply tailwind is fading. Without further U.S. action (e.g., T5 tender) or additional country participation, markets will face tighter fundamentals. Moreover, the physical decline in U.S. SPR drawdown rates signals the limits of policy-driven supply. Investors should closely monitor the policy window before mid-June—any signal of a T5 tender or new IEA action will be a key short-term catalyst for oil price volatility.

Risks

• The U.S. Department of Energy fails to announce a fifth SPR tender by mid-June, leaving the July supply gap unfilled.
• IEA members fail to agree on a second coordinated release, causing policy support to fall through.
• U.S. SPR inventories deplete faster than expected, forcing an earlier-than-anticipated sharp slowdown in withdrawal rates and disrupting contractual deliveries.
• European countries that announced but did not execute releases (e.g., Germany, France, Italy) ultimately deliver no volumes, leading to overestimated statistics.
• Geopolitical tensions (e.g., Strait of Hormuz) ease, reducing the U.S. government’s political incentive for further SPR releases.

What to watch

• Whether the U.S. Department of Energy (DOE) announces a fifth (T5) SPR tender before mid-June.
• Whether weekly U.S. SPR withdrawal rates remain above 800,000 barrels/day.
• Whether Japan’s Ministry of Economy, Trade and Industry (METI) shifts stance and announces a third-phase (Phase 3) SPR release.
• Whether Spain completes its remaining 7.8 million barrel product delivery by June 15.
• Whether Italy, Germany, and other countries that have not yet confirmed physical deliveries take concrete withdrawal actions.