The sequential improvement in gross margin from 37.6% in 2026Q1 to 51.5% in 2026Q2 suggests a sharp widening of the natural gas-to-nitrogen spread, likely driven by seasonal pricing and continued feedstock cost advantages. Operating margin followed suit, reaching 47.3% in 2026Q2, up from 22.1% in 2024Q1, indicating strong operating leverage as fixed costs are spread over higher revenue. However, the sustainability of these margins is uncertain given the cyclicality of nitrogen prices and the lack of forward guidance; investors should monitor the Henry Hub vs. TTF spread as a key driver.

The ROIC trend over the past ten quarters shows a clear upward trajectory, with the most recent quarter's 7.9% still below the levels seen in prior upcycles, suggesting room for further improvement if nitrogen prices hold. The improvement is driven primarily by margin expansion rather than asset turnover, which remained low at 0.15, reflecting the capital-intensive nature of ammonia production. ROE also rose to 8.5% in 2026Q2, but remains modest relative to historical peaks, indicating that the company is still in the early stages of earnings recovery.

The reduction in CCC is driven by a combination of lower DSO (30 days vs. 32 days) and a significant extension of DPO to 53 days from 26 days, indicating CF is leveraging its supplier relationships more effectively. DIO remained relatively stable at 33 days, suggesting inventory management is consistent with production schedules. The negative CCC in 2025Q4 and near-zero in 2025Q3 highlight the seasonal nature of the business, with prepayments from customers and deferred revenue creating temporary swings; investors should not over-interpret quarterly fluctuations.

CF's leverage has remained remarkably stable over the past two years, with D/E oscillating between 0.40 and 0.51, reflecting a disciplined approach to debt management. The D/EBITDA ratio improved to 3.16 in 2026Q2 from 5.57 in 2024Q1, driven by rising EBITDA, which enhances the company's financial flexibility. Interest coverage of 22.9x is robust, suggesting that even a significant downturn in nitrogen prices would not strain debt service, though the lack of guidance for the latest quarter warrants caution.

The current ratio of 4.86 is exceptionally high for an industrial company, reflecting a conservative liquidity stance that provides a significant cushion against commodity price shocks. The quick ratio of 4.32 indicates that even without inventory, CF can cover its short-term liabilities nearly four and a half times over, underscoring the strength of its cash position. This liquidity buffer may also signal under-utilization of capital, as the company could potentially deploy more cash into growth initiatives or higher shareholder returns.