NOV vs. HAL

Last updated Apr 1, 2026

Compare and contrast key facts about National Oilwell Varco, Inc. (NOV) and Halliburton Company (HAL).

Performance

NOV vs. HAL - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in National Oilwell Varco, Inc. (NOV) and Halliburton Company (HAL). The values are adjusted to include any dividend payments, if applicable.

NOV vs. HAL - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
NOV National Oilwell Varco, Inc.	20.93%	11.30%	-26.81%	-1.83%	55.72%	-0.89%	-44.93%	-1.69%	-28.28%	-3.23%
HAL Halliburton Company	38.64%	7.02%	-23.19%	-6.47%	74.45%	21.99%	-21.23%	-4.90%	-44.63%	-8.18%

Fundamentals

Market Cap NOV : $6.90B HAL : $32.75B
EPS NOV : $0.39 HAL : $1.51
PE Ratio NOV : 48.17 HAL : 25.85
PEG Ratio NOV : 0.59 HAL : 4.12
PS Ratio NOV : 0.80 HAL : 1.50
PB Ratio NOV : 1.09 HAL : 3.12
Total Revenue (TTM) NOV : $8.74B HAL : $22.18B
Gross Profit (TTM) NOV : $1.91B HAL : $3.50B
EBITDA (TTM) NOV : $734.00M HAL : $3.04B

Returns By Period

In the year-to-date period, NOV achieves a 20.93% return, which is significantly lower than HAL's 38.64% return. Over the past 10 years, NOV has underperformed HAL with an annualized return of -3.31%, while HAL has yielded a comparatively higher 3.03% annualized return.

NOV

• 1D: 1.35%
• 1M: -6.71%
• YTD: 20.93%
• 6M: 43.31%
• 1Y: 28.42%
• 3Y*: 2.86%
• 5Y*: 7.63%
• 10Y*: -3.31%

HAL

• 1D: -0.69%
• 1M: 8.83%
• YTD: 38.64%
• 6M: 60.28%
• 1Y: 57.90%
• 3Y*: 9.69%
• 5Y*: 14.31%
• 10Y*: 3.03%

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

Return for Risk

NOV vs. HAL — Risk / Return Rank

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

NOV

NOV Risk / Return Rank: 63
NOV Sharpe Ratio Rank: 64
NOV Sortino Ratio Rank: 59
NOV Omega Ratio Rank: 60
NOV Calmar Ratio Rank: 65
NOV Martin Ratio Rank: 64

HAL

HAL Risk / Return Rank: 79
HAL Sharpe Ratio Rank: 82
HAL Sortino Ratio Rank: 77
HAL Omega Ratio Rank: 77
HAL Calmar Ratio Rank: 82
HAL Martin Ratio Rank: 77

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.

NOV vs. HAL - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for National Oilwell Varco, Inc. (NOV) and Halliburton Company (HAL). 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.

	NOV	HAL	Difference
Sharpe ratio Return per unit of total volatility	0.63	1.31	-0.68
Sortino ratio Return per unit of downside risk	1.12	1.91	-0.78
Omega ratio Gain probability vs. loss probability	1.15	1.26	-0.11
Calmar ratio Return relative to maximum drawdown	1.09	2.39	-1.30
Martin ratio Return relative to average drawdown	2.42	4.99	-2.57
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

NOV vs. HAL - Sharpe Ratio Comparison

The current NOV Sharpe Ratio is 0.63, which is lower than the HAL Sharpe Ratio of 1.31. The chart below compares the historical Sharpe Ratios of NOV and HAL, 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

	NOV	HAL	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.63	1.31	-0.68
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.18	0.36	-0.18
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	-0.07	0.07	-0.14
Sharpe Ratio (All Time) Calculated using the full available price history	0.12	0.14	-0.02

Correlation

The correlation between NOV and HAL is 0.71, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

NOV vs. HAL - Dividend Comparison

NOV's dividend yield for the trailing twelve months is around 2.79%, more than HAL's 1.74% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
NOV National Oilwell Varco, Inc.	2.79%	3.26%	1.88%	0.99%	0.96%	0.37%	0.36%	0.80%	0.78%	0.56%	1.63%	5.49%
HAL Halliburton Company	1.74%	2.41%	2.50%	1.77%	1.22%	0.79%	1.67%	2.94%	2.71%	1.47%	1.33%	2.12%

Drawdowns

NOV vs. HAL - Drawdown Comparison

The maximum NOV drawdown since its inception was -89.77%, roughly equal to the maximum HAL drawdown of -92.99%. Use the drawdown chart below to compare losses from any high point for NOV and HAL.

Drawdown Indicators

	NOV	HAL	Difference
Max Drawdown Largest peak-to-trough decline	-89.77%	-92.99%	+3.22%
Max Drawdown (1Y) Largest decline over 1 year	-27.90%	-25.06%	-2.84%
Max Drawdown (5Y) Largest decline over 5 years	-53.70%	-54.01%	+0.31%
Max Drawdown (10Y) Largest decline over 10 years	-83.26%	-91.45%	+8.19%
Current Drawdown Current decline from peak	-73.84%	-34.20%	-39.64%
Average Drawdown Average peak-to-trough decline	-45.02%	-39.15%	-5.87%
Ulcer Index Depth and duration of drawdowns from previous peaks	12.56%	11.98%	+0.58%

Volatility

NOV vs. HAL - Volatility Comparison

National Oilwell Varco, Inc. (NOV) has a higher volatility of 10.87% compared to Halliburton Company (HAL) at 10.26%. This indicates that NOV's price experiences larger fluctuations and is considered to be riskier than HAL based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	NOV	HAL	Difference
Volatility (1M) Calculated over the trailing 1-month period	10.87%	10.26%	+0.61%
Volatility (6M) Calculated over the trailing 6-month period	28.48%	26.13%	+2.35%
Volatility (1Y) Calculated over the trailing 1-year period	45.28%	44.35%	+0.93%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	42.89%	40.38%	+2.51%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	47.59%	45.95%	+1.64%

Financials

NOV vs. HAL - Profitability Comparison

The chart below illustrates the profitability comparison between National Oilwell Varco, Inc. and Halliburton Company over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

NOV - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, National Oilwell Varco, Inc. reported a gross profit of 462.00M and revenue of 2.28B. Therefore, the gross margin over that period was 20.3%.

HAL - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Halliburton Company reported a gross profit of 937.00M and revenue of 5.66B. Therefore, the gross margin over that period was 16.6%.

NOV - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, National Oilwell Varco, Inc. reported an operating income of -63.00M and revenue of 2.28B, resulting in an operating margin of -2.8%.

HAL - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Halliburton Company reported an operating income of 746.00M and revenue of 5.66B, resulting in an operating margin of 13.2%.

NOV - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, National Oilwell Varco, Inc. reported a net income of -78.00M and revenue of 2.28B, resulting in a net margin of -3.4%.

HAL - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Halliburton Company reported a net income of 589.00M and revenue of 5.66B, resulting in a net margin of 10.4%.