SDRL vs. RIG

Last updated Jul 14, 2026

SDRL (Seadrill Limited) and RIG (Transocean Ltd.) are both stocks. Both operate in the Oil & Gas Drilling industry within the Energy sector. Over the past 3 years, SDRL returned -1.68%/yr vs -11.74%/yr for RIG. A 0.69 correlation means they provide meaningful diversification when combined.

Performance

SDRL vs. RIG - Performance Comparison

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

Returns By Period

In the year-to-date period, SDRL achieves a 22.14% return, which is significantly lower than RIG's 30.02% return.

SDRL

• 1D: 4.37%
• 1M: -4.50%
• 6M: 25.62%
• YTD: 22.14%
• 1Y: 38.56%
• 3Y*: -1.68%
• 5Y*: —
• 10Y*: —

RIG

• 1D: 3.27%
• 1M: -11.09%
• 6M: 25.76%
• YTD: 30.02%
• 1Y: 88.42%
• 3Y*: -11.74%
• 5Y*: 6.44%
• 10Y*: -7.84%

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

SDRL vs. RIG - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
SDRL Seadrill Limited	22.14%	-11.12%	-17.66%	44.85%	25.54%
RIG Transocean Ltd.	30.02%	10.13%	-40.94%	39.25%	54.58%

Correlation

The correlation between SDRL and RIG is 0.71, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.71
Correlation (3Y) Calculated over the trailing 3-year period	0.72
Correlation (All Time) Calculated using the full available price history since Oct 14, 2022	0.69

The correlation between SDRL and RIG has been stable across timeframes, ranging from 0.69 to 0.72 - a consistent structural relationship.

Fundamentals

Market Cap SDRL : $2.64B RIG : $4.85B
EPS SDRL : -$0.38 RIG : -$2.77
PS Ratio SDRL : 1.84 RIG : 1.75
PB Ratio SDRL : 0.92 RIG : 0.74
Total Revenue (TTM) SDRL : $1.45B RIG : $3.06B
Gross Profit (TTM) SDRL : $240.00M RIG : $1.97B
EBITDA (TTM) SDRL : $285.00M RIG : -$2.10B

Return for Risk

SDRL vs. RIG — Risk / Return Rank

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

SDRL

SDRL Risk / Return Rank: 71
SDRL Sharpe Ratio Rank: 74
SDRL Sortino Ratio Rank: 71
SDRL Omega Ratio Rank: 67
SDRL Calmar Ratio Rank: 70
SDRL Martin Ratio Rank: 75

RIG

RIG Risk / Return Rank: 84
RIG Sharpe Ratio Rank: 87
RIG Sortino Ratio Rank: 83
RIG Omega Ratio Rank: 82
RIG Calmar Ratio Rank: 83
RIG Martin Ratio Rank: 87

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.

SDRL vs. RIG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Seadrill Limited (SDRL) and Transocean Ltd. (RIG). 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.

	SDRL	RIG	Difference
Sharpe ratio: Return per unit of total volatility	0.92	1.64	-0.73
Sortino ratio: Return per unit of downside risk	1.50	2.20	-0.70
Omega ratio: Gain probability vs. loss probability	1.17	1.28	-0.10
Calmar ratio: Return relative to maximum drawdown	1.24	2.49	-1.25
Martin ratio: Return relative to average drawdown	3.79	7.92	-4.14

SDRL vs. RIG - Sharpe Ratio Comparison

The current SDRL Sharpe Ratio is 0.92, which is lower than the RIG Sharpe Ratio of 1.64. The chart below compares the historical Sharpe Ratios of SDRL and RIG, 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

SDRL vs. RIG - Drawdown Comparison

The maximum SDRL drawdown since its inception was -66.14%, smaller than the maximum RIG drawdown of -99.47%. Use the drawdown chart below to compare losses from any high point for SDRL and RIG.

Drawdown Indicators

	SDRL	RIG	Difference
Max Drawdown Largest peak-to-trough decline	-66.14%	-99.47%	+33.33%
Max Drawdown (1Y) Largest decline over 1 year	-31.20%	-35.75%	+4.55%
Max Drawdown (3Y) Largest decline over 3 years	-66.14%	-75.80%	+9.66%
Max Drawdown (5Y) Largest decline over 5 years	—	-75.80%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-95.77%	—
Current Drawdown Current decline from peak	-23.64%	-95.77%	+72.13%
Average Drawdown Average peak-to-trough decline	-23.03%	-57.25%	+34.22%
Ulcer Index Depth and duration of drawdowns from previous peaks	10.24%	11.24%	-1.00%

Volatility

SDRL vs. RIG - Volatility Comparison

Seadrill Limited (SDRL) has a higher volatility of 14.59% compared to Transocean Ltd. (RIG) at 13.08%. This indicates that SDRL's price experiences larger fluctuations and is considered to be riskier than RIG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SDRL	RIG	Difference
Volatility (1M) Calculated over the trailing 1-month period	14.59%	13.08%	+1.51%
Volatility (6M) Calculated over the trailing 6-month period	29.46%	39.42%	-9.96%
Volatility (1Y) Calculated over the trailing 1-year period	42.33%	54.24%	-11.91%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	42.35%	62.17%	-19.82%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	42.35%	74.43%	-32.08%

Dividends

SDRL vs. RIG - Dividend Comparison

Neither SDRL nor RIG has paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
RIG Transocean Ltd.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	8.48%
SDRL Seadrill Limited	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Financials

Frequently Asked Questions

Can I hold both SDRL and RIG in my portfolio?

SDRL and RIG have a correlation of 0.71, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SDRL or RIG?

SDRL has higher volatility (14.59%) compared to RIG (13.08%). In terms of maximum drawdown, SDRL dropped -66.14% vs RIG's -99.47%.

Which has better risk-adjusted returns?

RIG currently has the higher Sharpe Ratio (1.64 vs 0.92), 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.