TLN vs. SMMT

Last updated Jun 9, 2026

TLN (Talen Energy Corporation) and SMMT (Summit Therapeutics Inc.) are both stocks. TLN operates in Utilities - Independent Power Producers (Utilities), while SMMT operates in Biotechnology (Healthcare). Over the past 3 years, TLN returned 99.41%/yr vs 100.52%/yr for SMMT. At a 0.18 correlation, their price movements are largely independent.

Performance

TLN vs. SMMT - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Talen Energy Corporation (TLN) and Summit Therapeutics Inc. (SMMT). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TLN achieves a -2.68% return, which is significantly higher than SMMT's -19.33% return.

TLN

• 1D: 0.01%
• 1M: -5.59%
• YTD: -2.68%
• 6M: 3.23%
• 1Y: 41.09%
• 3Y*: 99.41%
• 5Y*: —
• 10Y*: —

SMMT

• 1D: -4.47%
• 1M: -21.96%
• YTD: -19.33%
• 6M: -24.24%
• 1Y: -31.47%
• 3Y*: 100.52%
• 5Y*: 13.84%
• 10Y*: 4.15%

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

TLN vs. SMMT - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
TLN Talen Energy Corporation	-2.68%	86.05%	214.80%	38.01%
SMMT Summit Therapeutics Inc.	-19.33%	-1.99%	583.72%	52.63%

Correlation

The correlation between TLN and SMMT is 0.17, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.17
Correlation (3Y) Calculated over the trailing 3-year period	0.18
Correlation (All Time) Calculated using the full available price history since Jun 2, 2023	0.18

Fundamentals

Market Cap TLN : $17.30B SMMT : $10.94B
EPS TLN : -$0.44 SMMT : -$1.60
PB Ratio TLN : 16.12 SMMT : 20.04
Total Revenue (TTM) TLN : $3.02B SMMT : $0.00
Gross Profit (TTM) TLN : $1.06B SMMT : -$83.36K
EBITDA (TTM) TLN : $326.00M SMMT : -$738.34M

Return for Risk

TLN vs. SMMT — Risk / Return Rank

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

TLN

TLN Risk / Return Rank: 65
TLN Sharpe Ratio Rank: 66
TLN Sortino Ratio Rank: 65
TLN Omega Ratio Rank: 63
TLN Calmar Ratio Rank: 67
TLN Martin Ratio Rank: 65

SMMT

SMMT Risk / Return Rank: 25
SMMT Sharpe Ratio Rank: 24
SMMT Sortino Ratio Rank: 28
SMMT Omega Ratio Rank: 28
SMMT Calmar Ratio Rank: 21
SMMT Martin Ratio Rank: 24

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.

TLN vs. SMMT - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Talen Energy Corporation (TLN) and Summit Therapeutics Inc. (SMMT). 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.

	TLN	SMMT	Difference
Sharpe ratio: Return per unit of total volatility	0.73	-0.42	+1.15
Sortino ratio: Return per unit of downside risk	1.41	-0.15	+1.56
Omega ratio: Gain probability vs. loss probability	1.17	0.98	+0.19
Calmar ratio: Return relative to maximum drawdown	1.29	-0.60	+1.89
Martin ratio: Return relative to average drawdown	2.62	-0.92	+3.54
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

TLN vs. SMMT - Sharpe Ratio Comparison

The current TLN Sharpe Ratio is 0.73, which is higher than the SMMT Sharpe Ratio of -0.42. The chart below compares the historical Sharpe Ratios of TLN and SMMT, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	TLN	SMMT	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.73	-0.42	+1.15
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.08	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.03	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.98	0.02	+1.96

Drawdowns

TLN vs. SMMT - Drawdown Comparison

The maximum TLN drawdown since its inception was -33.80%, smaller than the maximum SMMT drawdown of -95.75%. Use the drawdown chart below to compare losses from any high point for TLN and SMMT.

Drawdown Indicators

	TLN	SMMT	Difference
Max Drawdown Largest peak-to-trough decline	-33.80%	-95.75%	+61.95%
Max Drawdown (1Y) Largest decline over 1 year	-32.05%	-52.76%	+20.71%
Max Drawdown (3Y) Largest decline over 3 years	-33.80%	-62.26%	+28.46%
Max Drawdown (5Y) Largest decline over 5 years	—	-91.78%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-95.75%	—
Current Drawdown Current decline from peak	-18.18%	-61.55%	+43.37%
Average Drawdown Average peak-to-trough decline	-7.27%	-57.64%	+50.37%
Ulcer Index Depth and duration of drawdowns from previous peaks	15.71%	34.32%	-18.61%

Volatility

TLN vs. SMMT - Volatility Comparison

The current volatility for Talen Energy Corporation (TLN) is 16.60%, while Summit Therapeutics Inc. (SMMT) has a volatility of 22.47%. This indicates that TLN experiences smaller price fluctuations and is considered to be less risky than SMMT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TLN	SMMT	Difference
Volatility (1M) Calculated over the trailing 1-month period	16.60%	22.47%	-5.87%
Volatility (6M) Calculated over the trailing 6-month period	41.46%	56.53%	-15.07%
Volatility (1Y) Calculated over the trailing 1-year period	56.37%	75.95%	-19.58%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	49.91%	185.12%	-135.21%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	49.91%	144.63%	-94.72%

Dividends

TLN vs. SMMT - Dividend Comparison

Neither TLN nor SMMT has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

Frequently Asked Questions

Can I hold both TLN and SMMT in my portfolio?

TLN and SMMT have a correlation of 0.17, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TLN or SMMT?

SMMT has higher volatility (22.47%) compared to TLN (16.60%). In terms of maximum drawdown, TLN dropped -33.80% vs SMMT's -95.75%.

Which has better risk-adjusted returns?

TLN currently has the higher Sharpe Ratio (0.73 vs -0.42), 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.