The drop in US benzene pricing is likely a function of lower crude oil pricing and the overall impact this is having on oil product values. As the US has moved to much lighter ethylene feedstocks, the proportion of benzene that is coming from refining is overwhelming and alternative values for benzene or reformate in the gasoline pool are a strong driver of US and international pricing. Lower naphtha pricing for ethylene units outside the US will also hurt benzene values. By contrast, the stronger natural gas market – through the end of last week - supported ethane pricing in the US and we saw a step up in propane pricing – which have provided support for ethylene and propylene – also note that the analysis we published yesterday in the weekly catalyst suggests that the US can export ethylene to Asia at current prices – delivering ethylene into the region below current local costs. This should keep a floor under US ethylene pricing although any further decline in crude oil prices relative to US natural gas and NGLs will close this arbitrage.
The crack in US polypropylene prices is probably worth some comments as the polymer has shown extraordinary strength since the middle of last year, in the face of new capacity that was expected to push the US market into surplus. In the chart below we show that the spread over propylene has not fallen, but this is because propylene is falling lock-step with polypropylene for the most part. Those companies integrated back to PDH economics will see a significant margins squeeze as polymer prices fall while propane prices increase. We have written recently about a concern that lower auto production rates in the US will back up into parts and that this will impact materials. In the early days of the auto cutbacks, we assumed that the automakers and their suppliers would simply build inventory, with the expectation of a bounce-back in demand once the chip shortage was over. As the chip shortage has dragged on and become more significant, we have likely hit any limit of inventory build, and we are concerned that polypropylene pricing could collapse if auto-related demand does not recover quickly. While autos are not a dominant demand category for polypropylene the sector is certainly large enough to swing the polymer market from shortage to surplus. With the rise in propane prices and other ethylene feedstocks, polypropylene profits could fall meaningfully. See today's daily for more comments on the propane markets.