

· Asia Group II base oil price premium to diesel rebounds by more than $220/t since early February to highest since last August.
· Europe Group I base oil price premium to diesel rebounds by more than $250/t since January to highest since end-September.
· Europe Group II base oils price premium to diesel rises from multi-year low in early March, still low vs past year.
· Rebounding base oils premium to crude/diesel suggests firmer supply-demand fundamentals.
· Rebounding base oils premium to crude/diesel suggests supply is tighter, incentivises refiners to produce more base oils.
· Supply-demand fundamentals remain weaker than usual for time of year.
· Rebounding base oils premium raises prospect of triggering rise in supply that outweighs demand.
· China’s domestic light-grade Group II premium to Shandong diesel rises to highest in almost four months.
· Rising base oils premium incentivizes China’s refiners to raise base oils output that has been unusually low over past year.
· Europe’s Group II premium to fob Asia prices stays narrower, likely deterring additional arbitrage flows from Asia.
· Europe’s Group II premium to US prices stays narrower, complicating flow of shipments from US.
· Europe’s domestic/export Group I premium to fob Asia prices steadies at higher levels than Jan-Feb 2023, lower levels than 2H 2022 – pointing to more balanced supply/less urgency to move arbitrage shipments from Europe.
· Europe’s steep Group III premium to Group I/II base oils reflects supply tightness at start of year.
· Europe Group III premium to Group I/II could face pressure on signs of easing supply tightness.
· Europe Group III premium could face pressure as price incentivizes blenders to switch to Group I/Group II/PAO.
· Narrower Europe Group II premium to Group I could incentivize blenders to switch to Group II.
· Narrowing Group II premium to Group I has precedent – Asia Group II prices were previously at steep premium to Group I. Asia Group II premium is now consistently much narrower.
· Fob Asia Group II premium to Group I stays wider than at start of year, but narrower than usual.
· Narrow premium incentivizes blenders to stick with Group II.
· Fob Asia Group II heavy-grade prices maintain steep discount to US prices, sustain feasibility of moving arbitrage shipments to Americas.
· Fob Asia Group II discount to domestic Chinese prices holds in narrow range – wider than pre-Oct 2022 levels, narrower than Nov-Dec 2022 levels.
· Lack of steep rise in domestic Chinese price premium to fob Asia prices suggests supply-demand fundamentals remain balanced.
· Domestic Chinese Group II prices hold relatively steady even as domestic demand rises, and as South Korean base oils exports to the country surge.
· Trend points to stronger but not surging Chinese demand for overseas supplies.
· Trend points to plentiful South Korean supply, curbing leverage to target higher prices.