Price trend of shortening MP36-39 and MP50-52

The price of shortening MP36-39 and MP50-52 has been showing a decreasing trend within the last 2 weeks. For MP50-52, the price offered by 14 Apr 2021 was at $1,200 (FOB), and by 27 Apr it is offered at $1,115 (FOB). While for MP36-39, it was offered at $1,215 and by 27 Apr, it is at $1,145