NE vs. SDRL

Last updated Aug 1, 2026

NE (Noble Corporation) and SDRL (Seadrill Limited) are both stocks. Both operate in the Oil & Gas Drilling industry within the Energy sector. Over the past 3 years, NE returned -1.50%/yr vs -2.02%/yr for SDRL. Their 0.70 correlation means they have sometimes moved together and sometimes differently.

Performance

NE vs. SDRL - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Noble Corporation (NE) and Seadrill Limited (SDRL). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, NE achieves a 53.45% return, which is significantly higher than SDRL's 29.60% return.

NE

• 1D: 2.32%
• 1M: 11.61%
• 6M: 21.66%
• YTD: 53.45%
• 1Y: 74.23%
• 3Y*: -1.50%
• 5Y*: 17.68%
• 10Y*: —
• ALL TIME*: 14.72%

SDRL

• 1D: 3.70%
• 1M: 12.47%
• 6M: 16.53%
• YTD: 29.60%
• 1Y: 61.29%
• 3Y*: -2.02%
• 5Y*: —
• 10Y*: —
• ALL TIME*: 15.44%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
NE Noble Corporation	$85.08M	$69.89M	$69.38M
SDRL Seadrill Limited	$30.11M	$30.89M	$35.51M

NE vs. SDRL - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
NE Noble Corporation	53.45%	-3.21%	-31.57%	29.54%	17.33%
SDRL Seadrill Limited	29.60%	-11.12%	-17.66%	44.85%	25.54%

Correlation

The correlation between NE and SDRL is 0.75, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.75
Correlation (3Y) Balances recent behavior with more history.	0.76
Correlation (All Time) Calculated using the full available price history since Oct 14, 2022	0.70

The correlation between NE and SDRL has been stable across timeframes, ranging from 0.70 to 0.76 - a consistent structural relationship.

Fundamentals

Market Cap NE : $6.77B SDRL : $2.80B
EPS NE : $1.25 SDRL : -$0.38
PS Ratio NE : 2.17 SDRL : 1.96
Total Revenue (TTM) NE : $2.35B SDRL : $1.45B
Gross Profit (TTM) NE : $545.37M SDRL : $240.00M
EBITDA (TTM) NE : $805.74M SDRL : $285.00M

Return for Risk

NE vs. SDRL — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

NE

NE Risk / Return Rank: 83
NE Sharpe Ratio Rank: 87
NE Sortino Ratio Rank: 83
NE Omega Ratio Rank: 80
NE Calmar Ratio Rank: 81
NE Martin Ratio Rank: 83

SDRL

SDRL Risk / Return Rank: 78
SDRL Sharpe Ratio Rank: 81
SDRL Sortino Ratio Rank: 78
SDRL Omega Ratio Rank: 74
SDRL Calmar Ratio Rank: 76
SDRL Martin Ratio Rank: 79

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

NE vs. SDRL - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Noble Corporation (NE) and Seadrill Limited (SDRL). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	NE	SDRL	Difference
Sharpe ratio: Return per unit of total volatility	1.60	1.28	+0.31
Sortino ratio: Return per unit of downside risk	2.21	1.87	+0.34
Omega ratio: Gain probability vs. loss probability	1.27	1.22	+0.05
Calmar ratio: Return relative to maximum drawdown	2.17	1.73	+0.44
Martin ratio: Return relative to average drawdown	6.12	4.81	+1.31

NE vs. SDRL - Sharpe Ratio Comparison

The current NE Sharpe Ratio is 1.60, which is comparable to the SDRL Sharpe Ratio of 1.28. The chart below compares the historical Sharpe Ratios of NE and SDRL, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

NE vs. SDRL - Drawdown Comparison

The maximum NE drawdown since its inception was -63.16%, roughly equal to the maximum SDRL drawdown of -66.14%. Use the drawdown chart below to compare losses from any high point for NE and SDRL.

Drawdown Indicators

	NE	SDRL	Difference
Max Drawdown Largest peak-to-trough decline	-63.16%	-66.14%	+2.98%
Max Drawdown (1Y) Largest decline over 1 year	-31.06%	-31.20%	+0.14%
Max Drawdown (3Y) Largest decline over 3 years	-63.16%	-66.14%	+2.98%
Max Drawdown (5Y) Largest decline over 5 years	-63.16%	—	—
Current Drawdown Current decline from peak	-21.17%	-18.97%	-2.20%
Average Drawdown Average peak-to-trough decline	-19.61%	-23.01%	+3.40%
Ulcer Index Depth and duration of drawdowns from previous peaks	10.98%	11.22%	-0.24%

Volatility

NE vs. SDRL - Volatility Comparison

Noble Corporation (NE) has a higher volatility of 14.73% compared to Seadrill Limited (SDRL) at 13.63%. This indicates that NE's price experiences larger fluctuations and is considered to be riskier than SDRL based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	NE	SDRL	Difference
Volatility (1M) Calculated over the trailing 1-month period	14.73%	13.63%	+1.10%
Volatility (6M) Calculated over the trailing 6-month period	30.99%	28.44%	+2.55%
Volatility (1Y) Calculated over the trailing 1-year period	42.22%	42.20%	+0.02%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	43.88%	42.37%	+1.51%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	43.53%	42.37%	+1.16%

Dividends

NE vs. SDRL - Dividend Comparison

NE's dividend yield for the trailing twelve months is around 4.72%, while SDRL has not paid dividends to shareholders.

Position	TTM	2025	2024	2023
NE Noble Corporation	4.72%	7.08%	5.73%	1.45%
SDRL Seadrill Limited	0.00%	0.00%	0.00%	0.00%

Financials

Frequently Asked Questions

Can I hold both NE and SDRL in my portfolio?

NE and SDRL have a correlation of 0.75, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, NE or SDRL?

NE has higher volatility (14.73%) compared to SDRL (13.63%). In terms of maximum drawdown, NE dropped -63.16% vs SDRL's -66.14%.

Which has better risk-adjusted returns?

NE currently has the higher Sharpe Ratio (1.60 vs 1.28), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.