ZTS vs. IDXX

Last updated Apr 2, 2026

Compare and contrast key facts about Zoetis Inc. (ZTS) and IDEXX Laboratories, Inc. (IDXX).

Performance

ZTS vs. IDXX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Zoetis Inc. (ZTS) and IDEXX Laboratories, Inc. (IDXX). The values are adjusted to include any dividend payments, if applicable.

ZTS vs. IDXX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ZTS Zoetis Inc.	-6.38%	-21.75%	-16.63%	35.91%	-39.51%	48.26%	25.76%	55.71%	19.45%	35.55%
IDXX IDEXX Laboratories, Inc.	-16.54%	63.63%	-25.51%	36.06%	-38.04%	31.73%	91.43%	40.38%	18.95%	33.35%

Fundamentals

Market Cap ZTS : $51.44B IDXX : $45.55B
EPS ZTS : $6.04 IDXX : $13.12
PE Ratio ZTS : 19.41 IDXX : 43.05
PEG Ratio ZTS : 2.18 IDXX : 9.81
PS Ratio ZTS : 5.48 IDXX : 10.60
PB Ratio ZTS : 15.44 IDXX : 28.38
Total Revenue (TTM) ZTS : $9.47B IDXX : $4.30B
Gross Profit (TTM) ZTS : $6.67B IDXX : $2.66B
EBITDA (TTM) ZTS : $4.09B IDXX : $1.47B

Returns By Period

In the year-to-date period, ZTS achieves a -6.38% return, which is significantly higher than IDXX's -16.54% return. Over the past 10 years, ZTS has underperformed IDXX with an annualized return of 10.95%, while IDXX has yielded a comparatively higher 21.68% annualized return.

ZTS

• 1D: -0.78%
• 1M: -9.05%
• YTD: -6.38%
• 6M: -19.56%
• 1Y: -26.50%
• 3Y*: -10.00%
• 5Y*: -4.87%
• 10Y*: 10.95%

IDXX

• 1D: 0.49%
• 1M: -11.31%
• YTD: -16.54%
• 6M: -8.94%
• 1Y: 34.90%
• 3Y*: 4.13%
• 5Y*: 3.03%
• 10Y*: 21.68%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Return for Risk

ZTS vs. IDXX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

ZTS

ZTS Risk / Return Rank: 8
ZTS Sharpe Ratio Rank: 6
ZTS Sortino Ratio Rank: 9
ZTS Omega Ratio Rank: 8
ZTS Calmar Ratio Rank: 10
ZTS Martin Ratio Rank: 10

IDXX

IDXX Risk / Return Rank: 70
IDXX Sharpe Ratio Rank: 68
IDXX Sortino Ratio Rank: 74
IDXX Omega Ratio Rank: 72
IDXX Calmar Ratio Rank: 67
IDXX Martin Ratio Rank: 69

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

ZTS vs. IDXX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Zoetis Inc. (ZTS) and IDEXX Laboratories, Inc. (IDXX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	ZTS	IDXX	Difference
Sharpe ratio Return per unit of total volatility	-0.92	0.80	-1.72
Sortino ratio Return per unit of downside risk	-1.15	1.84	-2.99
Omega ratio Gain probability vs. loss probability	0.84	1.24	-0.39
Calmar ratio Return relative to maximum drawdown	-0.85	1.26	-2.11
Martin ratio Return relative to average drawdown	-1.46	3.45	-4.91
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ZTS vs. IDXX - Sharpe Ratio Comparison

The current ZTS Sharpe Ratio is -0.92, which is lower than the IDXX Sharpe Ratio of 0.80. The chart below compares the historical Sharpe Ratios of ZTS and IDXX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	ZTS	IDXX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.92	0.80	-1.72
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.18	0.09	-0.27
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.42	0.66	-0.24
Sharpe Ratio (All Time) Calculated using the full available price history	0.45	0.51	-0.06

Correlation

The correlation between ZTS and IDXX is 0.56, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

ZTS vs. IDXX - Dividend Comparison

ZTS's dividend yield for the trailing twelve months is around 1.73%, while IDXX has not paid dividends to shareholders.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ZTS Zoetis Inc.	1.73%	1.59%	1.06%	0.76%	0.89%	0.41%	0.48%	0.50%	0.59%	0.58%	0.71%	0.69%
IDXX IDEXX Laboratories, Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Drawdowns

ZTS vs. IDXX - Drawdown Comparison

The maximum ZTS drawdown since its inception was -52.06%, smaller than the maximum IDXX drawdown of -81.42%. Use the drawdown chart below to compare losses from any high point for ZTS and IDXX.

Drawdown Indicators

	ZTS	IDXX	Difference
Max Drawdown Largest peak-to-trough decline	-52.06%	-81.42%	+29.36%
Max Drawdown (1Y) Largest decline over 1 year	-32.70%	-27.34%	-5.36%
Max Drawdown (5Y) Largest decline over 5 years	-52.06%	-54.00%	+1.94%
Max Drawdown (10Y) Largest decline over 10 years	-52.06%	-54.00%	+1.94%
Current Drawdown Current decline from peak	-50.40%	-26.35%	-24.05%
Average Drawdown Average peak-to-trough decline	-14.19%	-20.98%	+6.79%
Ulcer Index Depth and duration of drawdowns from previous peaks	19.04%	9.98%	+9.06%

Volatility

ZTS vs. IDXX - Volatility Comparison

Zoetis Inc. (ZTS) and IDEXX Laboratories, Inc. (IDXX) have volatilities of 8.63% and 8.63%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ZTS	IDXX	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.63%	8.63%	0.00%
Volatility (6M) Calculated over the trailing 6-month period	22.33%	23.61%	-1.28%
Volatility (1Y) Calculated over the trailing 1-year period	29.04%	43.76%	-14.72%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	26.57%	35.10%	-8.53%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	25.94%	32.84%	-6.90%

Financials

ZTS vs. IDXX - Profitability Comparison

The chart below illustrates the profitability comparison between Zoetis Inc. and IDEXX Laboratories, Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

ZTS - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Zoetis Inc. reported a gross profit of 1.64B and revenue of 2.39B. Therefore, the gross margin over that period was 68.9%.

IDXX - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, IDEXX Laboratories, Inc. reported a gross profit of 658.11M and revenue of 1.09B. Therefore, the gross margin over that period was 60.4%.

ZTS - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Zoetis Inc. reported an operating income of 826.00M and revenue of 2.39B, resulting in an operating margin of 34.6%.

IDXX - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, IDEXX Laboratories, Inc. reported an operating income of 315.61M and revenue of 1.09B, resulting in an operating margin of 28.9%.

ZTS - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Zoetis Inc. reported a net income of 603.00M and revenue of 2.39B, resulting in a net margin of 25.3%.

IDXX - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, IDEXX Laboratories, Inc. reported a net income of 248.19M and revenue of 1.09B, resulting in a net margin of 22.8%.