BANGKOK, Dec 21 (Reuters) – Prices of physical rubber compared with Dec. 18:
| Grade | Prices | Change |
| Thai RSS3 (Jan) | $1.25/kg | unchanged |
| Thai STR20 (Jan) | $1.16/kg | unchanged |
| Malaysia SMR20 (Jan) | $1.17/kg | +$0.02 |
| Indonesia SIR20 (Jan) | $0.58/lb | unchanged |
| Thai USS3 | 37.94 baht/kg | -0.15 baht |
| Thai 60-percent latex (drum/Jan) | $710/tonne | unchanged |
| Thai 60-percent latex (bulk/Jan) | $810/tonne | unchanged |
NOTE – The prices quoted above are offer prices collected from traders in Thailand, Indonesia and Malaysia. They are not official prices quoted by state-run rubber agencies in those countries. (Reporting by Patpicha Tanakasempipat; Editing by Amy Sawitta Lefevre and Subhranshu Sahu)
