| Coefficient cointegarted equation | |||
| Coefficient | Std. Err. | p-value | |
| Opium | 1 | - | - |
| Tea | 3.815E−04 | 8.870E−05 | 0.000* |
| Silk | −0.013 | 0.002 | 0.000* |
| Silver Inflow | −4.658 | 4.552 | 0.306 |
| Silver-Copper Ratio | −18.727 | 7.999 | 0.019* |
| Rice Price | −12.792 | 5738.177 | 0.998 |
| Trend | −645.387 | 418.021 | 0.123 |
| Constant | −8072.218 | - | - |