What are the key financial and valuation metrics reported for Eastman Chemical (EMN) in its second-quarter 2026 earnings release?

Eastman Chemical (EMN) reported increased sales and net income in Q2 2026, contributing to an 8.72% year-to-date rise in its share price; despite this positive performance, the company remains undervalued by 13.8%, with a calculated fair value of $81.13 versus its current share price of $69.95.

What factors support the 'undervalued' narrative for Eastman Chemical, and what risks could challenge it?

The undervalued narrative is supported by growth in sustainable materials and stable contracts, while potential risks include weaker demand and margin pressures.