IOSP vs STLD: fair value comparison
Innospec Inc. and Steel Dynamics, Inc. · Updated 2026-09-13
IOSP currently screens as fairly valued while STLD screens as overvalued. Within Basic Materials, IOSP currently sits closer to the top of our discount ranking. STLD carries the stronger quality grade.
| IOSP | STLD | |
|---|---|---|
| Verdict | Fairly valued | Overvalued |
| Last price | $92.61 | $239.79 |
| 12-month range | $71.90–$92.61 | $139.85–$260.99 |
| Sector rank | #17 of 27 Basic Materials | #24 of 27 Basic Materials |
| Quality grade | D | C |
| Momentum grade | B | — |
| Leverage | Low | Low |
| Margin trend | Stable | Expanding |
| Revenue growth | Modest | Strong |
| RSI zone | Neutral | Neutral |
| 50/200-day trend | Uptrend | Mixed |
| DCF cross-check | Overvalued | — |
| 52-week position | The top quarter | The top quarter |
Full single-stock breakdowns: IOSP fair value analysis · STLD fair value analysis