SLDP vs. SES

Last updated Jun 23, 2026

SLDP (Solid Power, Inc.) and SES (SES AI Corp) are both stocks. SLDP operates in Electrical Equipment & Parts (Industrials), while SES operates in Auto Parts (Consumer Cyclical). Over the past 5 years, SLDP returned -23.27%/yr vs -36.37%/yr for SES. At a 0.45 correlation, their price movements are largely independent.

Performance

SLDP vs. SES - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Solid Power, Inc. (SLDP) and SES AI Corp (SES). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SLDP achieves a -34.12% return, which is significantly higher than SES's -41.67% return.

SLDP

• 1D: -2.44%
• 1M: -8.50%
• YTD: -34.12%
• 6M: -39.00%
• 1Y: 55.56%
• 3Y*: 7.72%
• 5Y*: -23.27%
• 10Y*: —

SES

• 1D: -5.41%
• 1M: -13.93%
• YTD: -41.67%
• 6M: -45.88%
• 1Y: 25.06%
• 3Y*: -19.19%
• 5Y*: -36.37%
• 10Y*: —

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

SLDP vs. SES - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
SLDP Solid Power, Inc.	-34.12%	124.87%	30.34%	-42.91%	-70.94%	-12.60%
SES SES AI Corp	-41.67%	-17.81%	19.67%	-41.90%	-68.34%	-0.40%

Correlation

The correlation between SLDP and SES is 0.57, 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	0.57
Correlation (3Y) Calculated over the trailing 3-year period	0.48
Correlation (5Y) Calculated over the trailing 5-year period	0.45
Correlation (All Time) Calculated using the full available price history since May 18, 2021	0.45

The correlation between SLDP and SES shifts across timeframes, from 0.45 (all time) to 0.57 (1 year), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap SLDP : $608.44K SES : $349.48M
EPS SLDP : -$0.67 SES : -$0.22
PS Ratio SLDP : 21.50 SES : 15.89
PB Ratio SLDP : 0.00 SES : 1.72
Total Revenue (TTM) SLDP : $17.84M SES : $21.92M
Gross Profit (TTM) SLDP : -$2.22M SES : $7.97M
EBITDA (TTM) SLDP : -$63.00M SES : -$68.11M

Return for Risk

SLDP vs. SES — Risk / Return Rank

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

SLDP

SLDP Risk / Return Rank: 62
SLDP Sharpe Ratio Rank: 59
SLDP Sortino Ratio Rank: 70
SLDP Omega Ratio Rank: 66
SLDP Calmar Ratio Rank: 60
SLDP Martin Ratio Rank: 55

SES

SES Risk / Return Rank: 53
SES Sharpe Ratio Rank: 51
SES Sortino Ratio Rank: 58
SES Omega Ratio Rank: 57
SES Calmar Ratio Rank: 50
SES Martin Ratio Rank: 48

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.

SLDP vs. SES - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Solid Power, Inc. (SLDP) and SES AI Corp (SES). 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.

	SLDP	SES	Difference
Sharpe ratio: Return per unit of total volatility	0.49	0.24	+0.25
Sortino ratio: Return per unit of downside risk	1.65	1.12	+0.53
Omega ratio: Gain probability vs. loss probability	1.19	1.14	+0.05
Calmar ratio: Return relative to maximum drawdown	0.81	0.34	+0.47
Martin ratio: Return relative to average drawdown	1.26	0.54	+0.72

SLDP vs. SES - Sharpe Ratio Comparison

The current SLDP Sharpe Ratio is 0.49, which is higher than the SES Sharpe Ratio of 0.24. The chart below compares the historical Sharpe Ratios of SLDP and SES, 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

SLDP vs. SES - Drawdown Comparison

The maximum SLDP drawdown since its inception was -93.46%, roughly equal to the maximum SES drawdown of -97.58%. Use the drawdown chart below to compare losses from any high point for SLDP and SES.

Drawdown Indicators

	SLDP	SES	Difference
Max Drawdown Largest peak-to-trough decline	-93.46%	-97.58%	+4.12%
Max Drawdown (1Y) Largest decline over 1 year	-69.10%	-74.08%	+4.98%
Max Drawdown (3Y) Largest decline over 3 years	-69.51%	-91.41%	+21.90%
Max Drawdown (5Y) Largest decline over 5 years	-93.46%	-97.58%	+4.12%
Current Drawdown Current decline from peak	-80.24%	-90.57%	+10.33%
Average Drawdown Average peak-to-trough decline	-68.75%	-65.85%	-2.90%
Ulcer Index Depth and duration of drawdowns from previous peaks	44.09%	46.28%	-2.19%

Volatility

SLDP vs. SES - Volatility Comparison

The current volatility for Solid Power, Inc. (SLDP) is 22.47%, while SES AI Corp (SES) has a volatility of 27.20%. This indicates that SLDP experiences smaller price fluctuations and is considered to be less risky than SES based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SLDP	SES	Difference
Volatility (1M) Calculated over the trailing 1-month period	22.47%	27.20%	-4.73%
Volatility (6M) Calculated over the trailing 6-month period	48.00%	76.52%	-28.52%
Volatility (1Y) Calculated over the trailing 1-year period	115.32%	107.13%	+8.19%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	86.70%	114.73%	-28.03%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	86.35%	111.31%	-24.96%

Dividends

SLDP vs. SES - Dividend Comparison

Neither SLDP nor SES has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

Frequently Asked Questions

Can I hold both SLDP and SES in my portfolio?

SLDP and SES have a correlation of 0.57, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SLDP or SES?

SES has higher volatility (27.20%) compared to SLDP (22.47%). In terms of maximum drawdown, SLDP dropped -93.46% vs SES's -97.58%.

Which has better risk-adjusted returns?

SLDP currently has the higher Sharpe Ratio (0.49 vs 0.24), 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.