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Graftech International vs ERock: EAF and EROC compared
Graftech International is the larger company: $140M of revenue in its latest quarter (Q3 2026) against $39.9M for ERock (Q2 2026). Graftech International is growing faster (-3% against -42% a year earlier). Graftech International is more profitable, with an operating margin of -16.2% against -49.8%.
Where the money goes: EAF and EROC
Graftech International (EAF) · Q3 2026
Graftech International, Q3 2026: revenue $140M (-3% year over year), operating margin -16.2%, net loss $46.8M, operating cash flow −$8.4M. The chart follows the revenue to costs, profit and cash.
ERock (EROC) · Q2 2026
ERock, Q2 2026: revenue $39.9M (-42% year over year), operating margin -49.8%, net loss $67.7M. The chart follows the revenue to costs, profit and cash.
| Graftech International (EAF) | ERock (EROC) | |
|---|---|---|
| Latest quarter | Q3 2026 | Q2 2026 |
| Revenue | $140M | $39.9M |
| Revenue growth, Y/Y | -3% | -42% |
| Operating margin | -16.2% | -49.8% |
| Net earnings | −$46.8M | −$67.7M |
| Net margin | -33.4% | -169.8% |
| Operating cash flow | −$8.4M | — |
Where the revenue comes from
Graftech International
- Graphite Electrodes: $120M (86%)
- By-products and other: $19.8M (14%)
ERock
- Power System Sales Revenues: $26.5M (66%)
- Ongoing Services Revenues: $13.4M (34%)
Questions
Which is bigger, Graftech International or ERock?
Graftech International is the larger company: $140M of revenue in its latest quarter (Q3 2026) against $39.9M for ERock (Q2 2026).
Is Graftech International or ERock growing faster?
Graftech International is growing faster (-3% against -42% a year earlier).
Which is more profitable, Graftech International or ERock?
Graftech International is more profitable, with an operating margin of -16.2% against -49.8%.
More: Graftech International earnings · how Graftech International makes money · ERock earnings · how ERock makes money
From the companies' latest 10-Q, 10-K or earnings release (10-Q filed Oct 23, 2026; 10-Q filed Aug 12, 2026). Fiscal quarters can end on different dates. Not investment advice.