NY Harbor ULSD
New York Harbor Ultra Low Sulphur Diesel futures on NYMEX; the primary US-listed distillate benchmark and the main cross-basin reference for the EBOB-RBOB and ARA arb.
Last refreshed: 15 June 2026 · Appears in 1 active topic
Why are US diesel futures the key to Europe's gasoil supply crunch?
Timeline for NY Harbor ULSD
Turned net long +9,507 contracts, monetising the distillate-deficit thesis
European Oil Markets: Longs rebuilt into an 8-week low- What is NY Harbor ULSD and why does it matter for European diesel prices?
- NY Harbor ULSD (CME HO contract) is the US benchmark for ultra-low-sulphur diesel. It is linked to European ARA gasoil by the transatlantic arb: when European stocks are low, US cargoes flow east, tightening the US price and the crack spread.Source: CFTC / CME Group
- How does the transatlantic diesel arb between the US and Europe work?
- When ARA gasoil inventories fall below seasonal norms, the price differential between ICE Gasoil and NY Harbor ULSD widens enough to cover TC2 freight, pulling US clean-product tankers eastward until the spread narrows.Source: Lowdown european-oil-markets briefing
- What does the ULSD managed money long position tell traders?
- The CFTC's weekly COT report shows hedge funds and other managed money holding net long ULSD positions of +9,507 contracts as of 9 June 2026, signalling professional conviction in the distillate-deficit thesis. Built at the 8 June squeeze top, this length is now exposed to forced deleveraging.Source: CFTC Disaggregated COT, week to 9 June 2026
- Why are ARA gasoil stocks low and how does that affect US diesel futures?
- ARA gasoil inventories hit a 2.5-year low near 13.6mb in May 2026, driving European buyers to pull US ULSD cargoes across The Atlantic. This tightened the HO crack and encouraged managed money to build long positions in the ULSD contract.Source: Lowdown european-oil-markets briefing
Background
NY Harbor ULSD futures, traded on the CME as the HO contract, are the United States benchmark for ultra-low-sulphur diesel and a primary reference for the transatlantic distillate arb. In the week to 9 June 2026, managed money held a net long of +9,507 contracts in ULSD, monetising the distillate-deficit thesis that ARA gasoil stocks at a 2.5-year low near 13.6mb had established . US ULSD cargoes were actively filling the import gap at Amsterdam-Rotterdam-Antwerp as the ARA import pace fell to 164kbd from 204kbd, demonstrating the live transatlantic pull.
The HO contract settles against physical ultra-low-sulphur diesel (15ppm sulphur maximum) delivered to New York Harbor. It is structurally linked to ICE Low Sulphur Gasoil (the European equivalent, settling against ARA inventories) by the TC2 tanker route: when ARA stocks tighten relative to US stocks, clean product tankers are chartered east, and the arb between HO and LSG narrows or inverts. ULSD is also used as a domestic heating-oil proxy in the northeastern United States, which means the winter demand season amplifies the crack during the fourth quarter .
For traders watching the European oil balance, ULSD's net position is a real-time read on professional conviction in the distillate-deficit narrative. The current net-long length, built at the 8 June squeeze top, underpins the thesis that the European ARA deficit is structural rather than seasonal, and that US supply will continue to clear the arb. The held-length also exposes the book to a rapid deleveraging if ARA stocks recover faster than the curve implies.
