Looking at the past week, the oil market was too long and had to de-risk.Brent Futures saw a week of stagnation and mean reversion, $90/bbl oil was very short lived and sell-off was driven by speculative positioning cycles as market participants took off length amid a waning geopolitical premium. Looking to the refinery margin change, Dated Brent was weaker than last week and is now seeing a little bit of support, whilst gasoil continued to weaken. Martha notes the difference between the stra...