SunCoke Energy, Inc. (SXC) Income Statement

The flat-to-declining trajectory suggests that the fee-based coke business is not generating meaningful volume or pricing expansion, and the revenue base appears to be tracking the pass-through coal cost environment more than underlying throughput growth. Because the business relies on take-or-pay contracts, revenue durability is structurally supported, yet the absence of growth indicates limited operating leverage from existing capacity. Investors should monitor whether the sequential stabilization in the most recent quarters reflects a genuine floor or merely a temporary pause in customer blast furnace activity.

Because coal costs are largely passed through, the sustained halving of gross margin likely points to rising non-pass-through conversion costs or a shift in contractual fee-per-ton economics during renewals. The 2025Q4 gross margin of 2.9% is an outlier that warrants further investigation into whether it reflects a one-time charge or a structural reset. Peer Warrior Met Coal reports an 8.5% gross margin, placing SXC broadly in line with the metallurgical coal group rather than showing the premium typically associated with its heat-recovery model.

The high cost-of-sales ratio reflects the largely pass-through coal input combined with a fixed facility and labor base that does not flex with throughput. The sharp SG&A increase over the period suggests overhead expansion that management has not yet offset with revenue gains, weakening operating efficiency. Investors should monitor whether SG&A normalizes or continues to erode the thin operating margin.