Since the preceding article in late March, most physical rubber grades registered increasing differentials against the SICOM TSR20 third position contracts (3 months from date). AFR10 (FOB*) and TSR20 Mixture (CIF China) grades were the only two grades recording a reduction in the differential, with AFR10 remaining the only grade to trade at a discount to SICOM. Coincidentally, both these grades are not TSR20 grade rubber. As highlighted in the article covering the rubber futures, the futures tr