Basis: Latest reported fiscal year. Source: stored company filings and market data; unavailable inputs remain N/A.
Is the PEG ratio high or low?
The PEG ratio of 33.99 is 101% above its 5-year average of 16.88, near the high end of its 5-year range (0.58–33.99).
As of the fiscal period ended Wednesday, December 31, 2025.
Reported annual fiscal-period values; no daily interpolation.
PEG RATIO
33.99
PEG RATIO AVG TTM
N/A
PEG RATIO AVG 3Y
32.78
PEG RATIO AVG 5Y
16.88
PEG RATIO AVG 10Y
10.50
PEG RATIO AVG 15Y
2.68
PEG RATIO AVG 20Y
1.79
CURRENT VS TTM AVG
N/A
CURRENT VS 3Y AVG
+3.69%
CURRENT VS 5Y AVG
+101.30%
CURRENT VS 10Y AVG
+223.79%
CURRENT VS 15Y AVG
+1167.81%
CURRENT VS 20Y AVG
+1797.25%
SECTOR MEDIAN · HEALTHCARE
1.82
median of 49 covered companies
CURRENT VS SECTOR MEDIAN
+1767.58%
vs the sector median at left
West Pharmaceutical Services, Inc.
Market Cap
$24.72B
PEG Ratio
33.99
TTM Avg
N/A
3Y Avg
32.78
5Y Avg
16.88
Market Cap
$26.21B
PEG Ratio
1.43
TTM Avg
4.21
3Y Avg
4.21
5Y Avg
2.20
Market Cap
$21.88B
PEG Ratio
1.16
TTM Avg
0.84
3Y Avg
0.59
5Y Avg
0.59
Market Cap
$29.02B
PEG Ratio
8.96
TTM Avg
5.67
3Y Avg
4.53
5Y Avg
3.90
| NAME | MARKET CAP | PEG RATIO | TTM | 3Y | 5Y |
|---|---|---|---|---|---|
| West Pharmaceutical Services, Inc. (WST) | $24.72B | 33.99 | N/A | 32.78 | 16.88 |
| Incyte Corporation (INCY)vs › | $24.54B | 0.73 | 0.00 | 0.16 | 0.24 |
| Moderna, Inc. (MRNA)vs › | $24.03B | N/A | 0.18 | 0.14 | 0.14 |
| BioNTech SE (BNTX)vs › | $23.31B | N/A | 0.23 | 0.12 | 0.12 |
| Quest Diagnostics Incorporated (DGX)vs › | $26.21B | 1.43 | 4.21 | 4.21 | 2.20 |
| STERIS plc (STE)vs › | $23.22B | 1.03 | 0.80 | 0.61 | 0.61 |
| Labcorp Holdings Inc. (LH)vs › | $26.46B | 1.28 | 0.79 | 0.79 | 0.47 |
| United Therapeutics Corporation (UTHR)vs › | $21.88B | 1.16 | 0.84 | 0.59 | 0.59 |
| Mettler-Toledo International Inc. (MTD)vs › | $29.02B | 8.96 | 5.67 | 4.53 | 3.90 |
| Alnylam Pharmaceuticals, Inc. (ALNY)vs › | $29.60B | N/A | 1.85 | 3.49 | 3.16 |
PEG Ratio
33.99
P/E Ratio
45.0
PEG Ratio = PE Ratio / Earnings Growth Rate
The PEG ratio adjusts the PE ratio for expected earnings growth. A PEG near 1 is often considered fairly valued relative to growth.
Expanded definitions: Investopedia, Wikipedia, Corporate Finance Institute
| DATE | PEG RATIO |
|---|---|
| 2025-12-31 | 33.99 |
| 2023-12-31 | 31.57 |
| 2021-12-31 | 0.58 |
| 2020-12-31 | 1.40 |
| 2019-12-31 | 2.74 |
| 2018-12-31 | 0.94 |
| 2017-12-31 | 11.85 |
| 2016-12-31 | 0.91 |
| 2014-12-31 | 2.66 |
| 2013-12-31 | 0.86 |
| 2012-12-31 | 3.68 |
| 2011-12-31 | 1.19 |
| 2008-12-31 | 0.61 |
| 2007-12-31 | 6.58 |
| 2006-12-31 | 0.61 |
| 2005-12-31 | 0.53 |
| 2003-12-31 | 0.09 |
| 2001-12-31 | 0.16 |
| 1999-12-31 | 0.02 |
| 1997-12-31 | 0.07 |
