Pulp and Paper Prices: Increased prices for pulp and paper products directly boost Klabin's revenue and profitability, leading to higher stock value.

Brazilian Economic Conditions: Brazil's GDP growth, inflation rates, and interest rates significantly impact Klabin's domestic sales and production costs.

Exchange Rates: Fluctuations in the Brazilian Real (BRL) against other currencies, particularly the US dollar, affect Klabin's export revenue and debt obligations.

Global Market Demand: Demand for paper and packaging materials in international markets influences Klabin's export volumes and pricing power.

Company Performance: Klabin's operational efficiency, production volumes, and financial results (revenue, profit margins, debt levels) directly influence investor confidence.

Industry Trends: Changes in the pulp and paper industry, such as technological advancements, environmental regulations, and consumer preferences, affect Klabin's competitiveness.

Investor Sentiment: Overall market optimism or pessimism, risk appetite, and investor perception of Klabin's future prospects can drive stock price fluctuations.

Government Policies: Government regulations related to forestry, environmental protection, taxation, and trade can impact Klabin's operations and profitability.