IOSP vs SHW
As of Sep 20, 2026, Innospec (IOSP) scores 6.3/10 and Sherwin Williams (SHW) 5.4/10 on AlphaStocks' five-model composite, so IOSP scores higher. IOSP trades 3% below its model fair value; SHW trades 49% above its model fair value.
IOSP
INNOSPEC INC.
6.3
Consider Buy
$93.12
SHW
SHERWIN WILLIAMS CO
5.4
Consider Buy
$320.65
IOSP vs SHW: Which is the Better Investment?
INNOSPEC INC. (IOSP) scores 6.3/10 while SHERWIN WILLIAMS CO (SHW) scores 5.4/10 on AlphaStocks' composite model. INNOSPEC INC. has the higher composite rating of Consider Buy. On a P/E basis, INNOSPEC INC. trades at 20.0x, making it the more attractively priced of the two. INNOSPEC INC. trades further below its estimated fair value.
This comparison is algorithmically generated and is not financial advice.
| Metric | IOSP | SHW |
|---|---|---|
| Scores & Fundamentals | ||
| Composite Score | 6.3/10▲ | 5.4/10 |
| Rating | Consider Buy▲ | Consider Buy |
| Price | $93.12 | $320.65 |
| P/E Ratio | 20.0▲ | 31.3 |
| ROE | 8.9% | 38.5%▲ |
| Market Cap | $2B | $80B |
| Fair Value | $96.11 | $215.52 |
| Dividend Yield | 2.1%▲ | 0.9% |
| Sector Rank | #8 of 78▲ | #19 of 78 |
| Model Verdicts | ||
| Piotroski | Attractive | Strong▲ |
| Buffett | Neutral | Attractive▲ |
| Graham | Neutral▲ | Caution |
| Lynch | Attractive▲ | Neutral |
| Greenblatt | Limited Data | Neutral▲ |
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IOSP vs SHW: Which Stock Scores Higher?
INNOSPEC INC. (IOSP) and SHERWIN WILLIAMS CO (SHW) are both in the Materials sector. IOSP currently leads with a composite score of 6.3/10 (Consider Buy) compared to SHW's 5.4/10 (Consider Buy).
The AlphaStocks composite score evaluates each stock across four dimensions: Quality (business strength measured by Piotroski F-Score and Buffett quality criteria), Value (discount to intrinsic worth using Graham, Lynch, and Greenblatt models), Momentum (6-month price trend), and Timing (a confirmation signal that requires both value and momentum to align). A higher composite score indicates stronger overall fundamentals combined with favorable market conditions.
This comparison uses the same scoring framework for both companies, ensuring an apples-to-apples evaluation. Scores are recalculated daily after market close using data from SEC filings and market prices. Read the full methodology to understand how each model contributes to the composite score.
Scores are algorithm-generated research tools, not investment recommendations. Past performance does not guarantee future results. Always do your own due diligence. Full disclaimer