GITT: Week 14 – Inputs Cool, but the Constraint Layer Holds
This update follows the GITT framework and the Week 13 reading, where the direct sulfur methodology refinement moved the Constraint Index above both Energy and Inputs. Week 14 added a new layer to the story. Energy did not resume the sharp W12–W13 decline in a clean way, but it remained well below the W9 peak. Inputs weakened more clearly, especially in agriculture and petrochemicals. At the same time, direct sulfur pushed higher again, keeping the Constraint Index firmly above the rest of the system.
The message is straightforward: parts of the system are beginning to absorb the shock, but the physical-constraint layer is not yet normalizing.
I. W14 Data Update
All values remain indexed to 100 = February 2026 average.
Week 1 = March 1 – March 7.
Week 14 = May 30 – June 5.
Market-based indicators are updated using weekly averages, while official and macroeconomic indicators are updated only when new releases become available.
Energy Layer
| Metric | Region | W0 | W3 | W5 | W7 | W9 | W11 | W13 | W14 |
|---|---|---|---|---|---|---|---|---|---|
| WTI Crude Oil (S) | Global | 100 | 124 | 154 | 148 | 164 | 157 | 140 | 143 |
| Gasoline (S) | US | 100 | 116 | 140 | 134 | 151 | 144 | 128 | 127 |
| Diesel (S) | US | 100 | 118 | 171 | 151 | 166 | 156 | 143 | 144 |
| Natural Gas (TTF) (S) | Europe | 100 | 152 | 188 | 155 | 165 | 150 | 142 | 144 |
| LNG (JKM) (S) | Asia | 100 | 136 | 191 | 145 | 155 | 156 | 153 | 154 |
Inputs Layer
| Metric | W0 | W3 | W5 | W7 | W9 | W11 | W13 | W14 |
|---|---|---|---|---|---|---|---|---|
| Fertilizer Index (B) | 100 | 103 | 104 | 108 | 116 | 114 | 116 | 115 |
| Petrochemicals Index (B) | 100 | 118 | 138 | 132 | 144 | 138 | 126 | 122 |
| Agricultural Commodities Index (B) | 100 | 104 | 110 | 114 | 124 | 123 | 122 | 116 |
Constraint Signals — Revised Methodology
| Metric | W0 | W3 | W5 | W7 | W9 | W11 | W13 | W14 |
|---|---|---|---|---|---|---|---|---|
| Direct Sulfur Index (S) | 100 | 130 | 166 | 157 | 179 | 190 | 192 | 201 |
| Aluminum (S) | 100 | 108 | 116 | 129 | 134 | 138 | 142 | 141 |
| Constraint Index (B) | 100 | 119 | 141 | 143 | 157 | 164 | 167 | 171 |
Lagging Confirmation
| Metric | W0 | W3 | W5 | W7 | W9 | W11 | W13 | W14 |
|---|---|---|---|---|---|---|---|---|
| FAO Index (C) | 100 | 100 | 102.4 | 102.4 | 102.4 | 104.1 | 104.1 | 104.2 |
Transmission Layer — Revised Official Consumer-Price Series
| Metric | W0 | W3 | W5 | W7 | W9 | W11 | W13 | W14 |
|---|---|---|---|---|---|---|---|---|
| PMI Input Costs (L) | 100 | 100 | 116 | 116 | 122 | 124 | 126 | 128 |
| Food CPI (US) (C) | 100 | 100 | 100.0 | 100.0 | 100.0 | 100.5 | 100.5 | 100.5 |
| Food CPI (EU) (C) | 100 | 100 | 100.1 | 100.1 | 100.6 | 100.6 | 100.6 | 100.6 |
| Food CPI (JP+KR) (B) | 100 | 100 | 99.5 | 99.5 | 99.4 | 99.0 | 98.9 | 98.9 |
II. Official Data Released This Week
Three official or semi-official confirmation points were updated in W14.
The FAO Food Price Index averaged 130.8 points for May 2026, only slightly below April’s upwardly revised reading. In GITT terms, this keeps the FAO layer elevated near 104.2 on the February 2026 baseline. The food-price confirmation layer is no longer accelerating sharply, but it is also not reversing meaningfully.
PMI Input Costs strengthened again. The May PMI releases showed intense cost pressure, with global manufacturing input costs accelerating at the fastest rate since June 2022 and U.S. service-sector input costs rising at the sharpest pace of 2026 so far. This lifts the PMI Input Costs layer from 126 to 128 and confirms that business-level cost pressure remains active even as several market-price inputs cool.
Euro-area food inflation also updated through the flash estimate. The food, alcohol, and tobacco component eased to 2.0% year over year from 2.4% in April. This supports the view that final consumer-price transmission is still restrained relative to upstream pressure. The May euro-area food CPI line is therefore kept near 100.6 on the February baseline pending final detailed confirmation.
III. What Changed in W14 — and What It Means
III. What Changed in W14 — and What It Means
W14 gave the framework a more layered signal. Energy did not continue the sharp W12–W13 decline in a straight line, but it remained well below the W9 peak. WTI, Diesel, TTF, and LNG/JKM were slightly firmer on weekly-average terms, while Gasoline softened further. The Energy layer therefore stabilized rather than accelerated again.
The more important move came from Inputs. Petrochemicals weakened again, largely due to the sharp decline in ethylene and continued softness in naphtha. Agricultural Commodities also moved lower, with wheat, corn, soybeans, soybean oil, and sugar all under pressure by the end of the week. Fertilizers were steadier, with mixed movement across urea, DAP, and ammonia. Overall, the Inputs layer eased from roughly 123 in W13 to about 118 in W14.
This gives some support to the IMF-style gradual absorption path. Unlike W13, where Energy cooled but Inputs were still relatively sticky, W14 shows more visible weakness in the conversion layer. If this trend continues, it would suggest that part of the initial shock is being absorbed through the real-time market layers.
However, the Constraint layer moved in the opposite direction. Direct sulfur rose again, reaching above 8,000 CNY/T by June 5, and remains far above the February baseline. Aluminum softened modestly but stayed elevated. The updated Constraint Index therefore rose from roughly 167 in W13 to about 171 in W14. This is the central W14 signal: Energy and Inputs are no longer the strongest source of pressure. The Constraint Index is.
Another important W14 development is the crossover between PMI Input Costs and the Inputs layer. Inputs eased to roughly 118, while PMI Input Costs rose to 128. This is a meaningful shift. It suggests that real-time commodity prices are beginning to cool, but businesses are still reporting elevated and rising cost pressure.
That is consistent with late transmission. The initial market shock may be easing in parts of the Energy and Inputs layers, but the pressure has already moved into business operations, contracts, inventories, wages, and logistics. Lower spot prices do not immediately erase the costs already absorbed by companies.
The consumer-price layer remains near the February baseline, which keeps the Pressure Gap open. PMI Input Costs are now above the broader Inputs layer and far above CPI. That reinforces the view that the system is not fully normalizing yet. It is transitioning from real-time market pressure into reported business-cost pressure, while the physical-constraint layer remains dominant.
W14 therefore gives a more balanced but still cautious reading. Some absorption is visible in Energy and Inputs, but direct sulfur, the updated Constraint Index, and PMI Input Costs continue to point to a late-transmission, constraint-dominant phase.
IV. Forward Path and Key Takeaway
The IMF-style gradual absorption path gained some support in W14, but it is still not confirmed. Energy remains well below the W9 peak, and Inputs weakened more clearly, especially in agriculture and petrochemicals. If this cooling continues and begins to pull direct sulfur, Aluminum, and PMI pressure lower, the case for gradual absorption will strengthen.
However, W14 also introduced a more complicated signal. PMI Input Costs moved above the Inputs layer, rising to 128 while Inputs eased to roughly 118. This means real-time commodity inputs are cooling, but businesses are still reporting stronger cost pressure. That is not full normalization. It is late transmission.
The Constraint layer remains the biggest obstacle to the absorption path. Direct sulfur moved higher again, pushing the updated Constraint Index to roughly 171, above both Energy and Inputs. As long as that relationship holds, lower Energy and weaker Inputs are not enough to call systemic relief. They show partial cooling in market prices, while the physical-constraint layer remains elevated.
The key takeaway is simple: W14 shows partial absorption, but not full normalization. Energy stabilized below the peak, Inputs weakened, and official food-price transmission remains restrained. But direct sulfur rose again, the Constraint Index extended its lead, and PMI Input Costs crossed above Inputs. The system remains in a constraint-dominant, late-transmission phase unless sulfur and broader constraint signals finally begin to cool.
V. Additional Observation — Inventory Cushion and the SPR Hard Stop
One additional factor should be considered when interpreting the Energy layer. Part of the visible relief in oil may be tied to inventory cushioning rather than full physical normalization. U.S. Strategic Petroleum Reserve stocks have now fallen from 415.442 million barrels in early March to 357.119 million barrels by the week ended May 29, a cumulative draw of 58.323 million barrels. The average pace over the period has increased to roughly 0.694 mb/d, with the largest weekly draw reaching 9.920 million barrels.
This matters because the SPR is not an unlimited stabilizer. Inventory releases can soften the Energy layer for a period of time, but they also reduce the remaining emergency buffer. The reserve is now moving rapidly toward the historical-low area reached in 2023 and the lower reference level from 1983. At the current average pace, a new lower weekly low could be reached around mid-June.
For GITT, the implication is important. If oil remains contained because inventories are being drawn down while direct sulfur, Aluminum, PMI Input Costs, and the Constraint Index remain elevated, the system has not truly normalized. It has shifted pressure from spot energy prices into strategic buffers. That can delay the visible shock, but it also creates a hard stop: once the cushion becomes too thin, the market may begin to focus less on the barrels being released and more on the shrinking protection behind them.
Publications
GITT: The Framework and Week 8 (April 24)
GITT: Week 9 – Pressure Rebuilds (May 1)
GITT: Week 10 (May 8)
GITT: Week 11 (May 15)
GITT: Week 12 (May 23)
GITT: Week 13 (May 29)
Gasoline: The Pump Shock Nobody Is Ready For (April 23)
The Architecture of a Global Economic Crisis:
Part 2: The Hidden Layer: Petrochemicals
Part 3: When It Reaches the Real Economy
Part 5: Financial System Impact
Part 6: Early Signals: Stress Already Visible
March 15: Energy Crises – Historical Scale (open article)
March 18: Strait of Hormuz Risk: How a Middle East War Could Trigger a Global Supply Shock
March 19: RAS LAFFAN: GLOBAL ENERGY SHOCK: Part 1
March 19: Dutch TTF – Technical Forecast
March 25: Who Blinks First? The Energy War Reshaping Markets
April 3: ABU DHABI: SYSTEM STRESS EXTENDS: Part 2
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