Core Insights - Copper inventories have unexpectedly increased, coinciding with the arrival of the off-season, leading to a three-day decline in Shanghai copper futures, raising concerns that short-term prices may be nearing a peak [1] Group 1 - The unexpected accumulation of copper inventories has been noted, which is unusual for this time of year [1] - The onset of the off-season is contributing to the downward pressure on copper prices [1] - Shanghai copper futures have experienced a three-day decline, indicating a potential shift in market sentiment [1]