KOS vs. TGB

Last updated Apr 1, 2026

Compare and contrast key facts about Kosmos Energy Ltd. (KOS) and Taseko Mines Limited (TGB).

Performance

KOS vs. TGB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Kosmos Energy Ltd. (KOS) and Taseko Mines Limited (TGB). The values are adjusted to include any dividend payments, if applicable.

KOS vs. TGB - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
KOS Kosmos Energy Ltd.	206.37%	-73.47%	-49.03%	5.50%	83.82%	47.23%	-58.06%	44.22%	-40.58%	-2.28%
TGB Taseko Mines Limited	13.96%	191.75%	38.57%	-4.76%	-28.29%	55.30%	175.00%	1.48%	-79.70%	173.38%

Fundamentals

Market Cap KOS : $1.33B TGB : $2.26B
EPS KOS : -$1.46 TGB : -$0.09
PS Ratio KOS : 1.03 TGB : 3.15
PB Ratio KOS : 2.52 TGB : 2.90
Total Revenue (TTM) KOS : $1.29B TGB : $672.90M
Gross Profit (TTM) KOS : -$2.16M TGB : $175.15M
EBITDA (TTM) KOS : $95.48M TGB : $159.70M

Returns By Period

In the year-to-date period, KOS achieves a 206.37% return, which is significantly higher than TGB's 13.96% return. Over the past 10 years, KOS has underperformed TGB with an annualized return of -6.35%, while TGB has yielded a comparatively higher 28.19% annualized return.

KOS

• 1D: -6.08%
• 1M: 19.31%
• YTD: 206.37%
• 6M: 67.47%
• 1Y: 21.93%
• 3Y*: -27.97%
• 5Y*: -3.08%
• 10Y*: -6.35%

TGB

• 1D: 9.88%
• 1M: -27.36%
• YTD: 13.96%
• 6M: 52.48%
• 1Y: 187.95%
• 3Y*: 57.21%
• 5Y*: 28.94%
• 10Y*: 28.19%

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

Return for Risk

KOS vs. TGB — Risk / Return Rank

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

KOS

KOS Risk / Return Rank: 53
KOS Sharpe Ratio Rank: 51
KOS Sortino Ratio Rank: 57
KOS Omega Ratio Rank: 54
KOS Calmar Ratio Rank: 52
KOS Martin Ratio Rank: 51

TGB

TGB Risk / Return Rank: 94
TGB Sharpe Ratio Rank: 96
TGB Sortino Ratio Rank: 92
TGB Omega Ratio Rank: 91
TGB Calmar Ratio Rank: 94
TGB Martin Ratio Rank: 95

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.

KOS vs. TGB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Kosmos Energy Ltd. (KOS) and Taseko Mines Limited (TGB). 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.

	KOS	TGB	Difference
Sharpe ratio Return per unit of total volatility	0.23	2.86	-2.62
Sortino ratio Return per unit of downside risk	1.05	3.08	-2.03
Omega ratio Gain probability vs. loss probability	1.12	1.40	-0.28
Calmar ratio Return relative to maximum drawdown	0.40	5.23	-4.83
Martin ratio Return relative to average drawdown	0.77	16.46	-15.69
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

KOS vs. TGB - Sharpe Ratio Comparison

The current KOS Sharpe Ratio is 0.23, which is lower than the TGB Sharpe Ratio of 2.86. The chart below compares the historical Sharpe Ratios of KOS and TGB, 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

	KOS	TGB	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.23	2.86	-2.62
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.04	0.46	-0.51
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	-0.08	0.43	-0.51
Sharpe Ratio (All Time) Calculated using the full available price history	-0.17	-0.02	-0.15

Correlation

The correlation between KOS and TGB is 0.30, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

KOS vs. TGB - Dividend Comparison

Neither KOS nor TGB has paid dividends to shareholders.

	TTM	2025	2024	2023	2022	2021	2020	2019
KOS Kosmos Energy Ltd.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	1.92%	3.17%
TGB Taseko Mines Limited	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Drawdowns

KOS vs. TGB - Drawdown Comparison

The maximum KOS drawdown since its inception was -97.11%, roughly equal to the maximum TGB drawdown of -98.58%. Use the drawdown chart below to compare losses from any high point for KOS and TGB.

Drawdown Indicators

	KOS	TGB	Difference
Max Drawdown Largest peak-to-trough decline	-97.11%	-98.58%	+1.47%
Max Drawdown (1Y) Largest decline over 1 year	-63.57%	-35.47%	-28.10%
Max Drawdown (5Y) Largest decline over 5 years	-89.82%	-65.27%	-24.55%
Max Drawdown (10Y) Largest decline over 10 years	-94.28%	-90.76%	-3.52%
Current Drawdown Current decline from peak	-84.86%	-53.09%	-31.77%
Average Drawdown Average peak-to-trough decline	-64.30%	-81.57%	+17.27%
Ulcer Index Depth and duration of drawdowns from previous peaks	32.70%	11.26%	+21.44%

Volatility

KOS vs. TGB - Volatility Comparison

Kosmos Energy Ltd. (KOS) has a higher volatility of 32.03% compared to Taseko Mines Limited (TGB) at 22.11%. This indicates that KOS's price experiences larger fluctuations and is considered to be riskier than TGB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	KOS	TGB	Difference
Volatility (1M) Calculated over the trailing 1-month period	32.03%	22.11%	+9.92%
Volatility (6M) Calculated over the trailing 6-month period	70.53%	49.16%	+21.37%
Volatility (1Y) Calculated over the trailing 1-year period	95.15%	66.26%	+28.89%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	70.35%	62.65%	+7.70%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	76.72%	65.92%	+10.80%

Financials