NOV vs. MRO

Last updated Apr 2, 2026

Compare and contrast key facts about National Oilwell Varco, Inc. (NOV) and Marathon Oil Corporation (MRO).

Performance

NOV vs. MRO - Performance Comparison

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

NOV vs. MRO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
NOV National Oilwell Varco, Inc.	20.03%	11.30%	-26.81%	-1.83%	55.72%	-0.89%	-44.93%	-1.69%	-28.28%	-3.23%
MRO Marathon Oil Corporation	0.00%	0.00%	20.15%	-9.29%	66.91%	149.77%	-50.38%	-3.93%	-14.37%	-0.82%

Fundamentals

Total Revenue (TTM) NOV : $8.74B MRO : $6.58B
Gross Profit (TTM) NOV : $1.91B MRO : $3.50B
EBITDA (TTM) NOV : $734.00M MRO : $4.23B

Returns By Period

NOV

• 1D: -0.74%
• 1M: -6.34%
• YTD: 20.03%
• 6M: 39.19%
• 1Y: 25.89%
• 3Y*: 2.61%
• 5Y*: 7.47%
• 10Y*: -3.38%

MRO

• 1D: —
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

Return for Risk

NOV vs. MRO — Risk / Return Rank

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

NOV

NOV Risk / Return Rank: 59
NOV Sharpe Ratio Rank: 61
NOV Sortino Ratio Rank: 56
NOV Omega Ratio Rank: 56
NOV Calmar Ratio Rank: 62
NOV Martin Ratio Rank: 61

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. MRO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for National Oilwell Varco, Inc. (NOV) and Marathon Oil Corporation (MRO). 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	MRO	Difference
Sharpe ratio Return per unit of total volatility	0.57	—	—
Sortino ratio Return per unit of downside risk	1.06	—	—
Omega ratio Gain probability vs. loss probability	1.14	—	—
Calmar ratio Return relative to maximum drawdown	0.98	—	—
Martin ratio Return relative to average drawdown	2.18	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	NOV	MRO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.57	—	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.18	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	-0.07	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.12	—	—

Correlation

The correlation between NOV and MRO is 0.60, 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

NOV vs. MRO - Dividend Comparison

NOV's dividend yield for the trailing twelve months is around 2.81%, while MRO has not paid dividends to shareholders.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
NOV National Oilwell Varco, Inc.	2.81%	3.26%	1.88%	0.99%	0.96%	0.37%	0.36%	0.80%	0.78%	0.56%	1.63%	5.49%
MRO Marathon Oil Corporation	0.00%	0.00%	1.54%	1.70%	1.18%	1.10%	1.20%	1.47%	1.39%	1.18%	1.16%	5.40%

Drawdowns

Drawdown Indicators

	NOV	MRO	Difference
Max Drawdown Largest peak-to-trough decline	-89.77%	—	—
Max Drawdown (1Y) Largest decline over 1 year	-27.39%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-53.70%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-83.26%	—	—
Current Drawdown Current decline from peak	-74.03%	—	—
Average Drawdown Average peak-to-trough decline	-45.02%	—	—
Ulcer Index Depth and duration of drawdowns from previous peaks	12.57%	—	—

Volatility

Volatility by Period

	NOV	MRO	Difference
Volatility (1M) Calculated over the trailing 1-month period	10.50%	—	—
Volatility (6M) Calculated over the trailing 6-month period	28.50%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	45.27%	—	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	42.86%	—	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	47.58%	—	—

Financials