INE TSR20 contracts were listed on the Shanghai International Energy Exchange in August 2019. Over time, the first contract position for SICOM TSR20 and INE TSR20 contracts are compared against the first contract position of the SHFE SCR/RSS contracts. Both spreads show that SCR/RSS have a similar premium over TSR20 prices across both exchanges, but this premium changes over time. By definition, SCR/RSS are higher grade rubber than TSR and are processed from latex directly. TSR20 is instead proc