Supreme Petrochem Ltd.

“Supreme Petrochem is India's dominant polystyrene converter but earns above-average returns only under anti-dumping duty protection — a policy shelter, not a structural moat. The business is debt-free and well-run by conservative promoters, but through-cycle ROIC barely exceeds the cost of capital, reinvestment opportunities are thin, and the company is transitioning to a cash-return profile with limited growth catalysts. At 46x trailing earnings and ~6.9x book, the market is pricing in a sustained recovery that the structural economics — permanent Chinese overcapacity, ADD dependency, commodity spreads — cannot reliably deliver. With probability-weighted fair value roughly 46% below the current price and the ADD shelf-life measured in years rather than decades, the risk of permanent capital impairment is real and the margin of safety is nonexistent.”