On January 12, the PVC market in Zibo showed a significant increase, with the futures market rising in the afternoon session and the spot market following suit. Today, distributors' quotations were 30–50 yuan higher than yesterday, market sentiment heated up, and actual transactions were satisfactory. Currently, the mainstream delivery price for calcium carbide-based PVC type 5 is in the range of 4,580–4,630 yuan per ton. PriceSeek's analysis of PVC indicates a long-short score of 1.5. The article highlights a notable rise in spot PVC prices in Zibo, with distributor quotes up by 30–50 yuan compared to the previous day and mainstream delivery prices reaching 4,580–4,630 yuan per ton. Market sentiment is heating up, and actual transactions are performing well. This suggests a tightening supply-demand balance in the spot market, with increased demand or limited supply driving price increases, creating a strong positive impact. Combined with the upward signal from the futures market in the afternoon session, the overall trend leans toward the long side. However, the increase remains regional and has not yet reached the level of a major event, hence the score of 1.5.