AMPX vs. SPGI

Last updated Jun 3, 2026

AMPX (Amprius Technologies Inc.) and SPGI (S&P Global Inc.) are both stocks. AMPX operates in Electrical Equipment & Parts (Industrials), while SPGI operates in Financial Data & Stock Exchanges (Financial Services). Over the past 3 years, AMPX returned 44.14%/yr vs 4.39%/yr for SPGI. At a 0.12 correlation, their price movements are largely independent.

Performance

AMPX vs. SPGI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Amprius Technologies Inc. (AMPX) and S&P Global Inc. (SPGI). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, AMPX achieves a 190.37% return, which is significantly higher than SPGI's -19.75% return.

AMPX

• 1D: 5.33%
• 1M: 9.77%
• YTD: 190.37%
• 6M: 110.96%
• 1Y: 767.80%
• 3Y*: 44.14%
• 5Y*: —
• 10Y*: —

SPGI

• 1D: -2.59%
• 1M: -1.79%
• YTD: -19.75%
• 6M: -14.62%
• 1Y: -18.04%
• 3Y*: 4.39%
• 5Y*: 2.68%
• 10Y*: 15.36%

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

AMPX vs. SPGI - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
AMPX Amprius Technologies Inc.	190.37%	181.79%	-47.07%	-33.29%	-20.70%
SPGI S&P Global Inc.	-19.75%	5.71%	13.94%	32.79%	-3.26%

Correlation

The correlation between AMPX and SPGI is 0.06, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.06
Correlation (3Y) Calculated over the trailing 3-year period	0.13
Correlation (All Time) Calculated using the full available price history since Sep 16, 2022	0.12

Fundamentals

Market Cap AMPX : $3.14B SPGI : $124.24B
EPS AMPX : -$0.31 SPGI : $15.79
PS Ratio AMPX : 32.83 SPGI : 8.03
PB Ratio AMPX : 28.68 SPGI : 3.97
Total Revenue (TTM) AMPX : $90.26M SPGI : $15.73B
Gross Profit (TTM) AMPX : $16.37M SPGI : $8.15B
EBITDA (TTM) AMPX : -$17.72M SPGI : $7.83B

Return for Risk

AMPX vs. SPGI — Risk / Return Rank

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

AMPX

AMPX Risk / Return Rank: 97
AMPX Sharpe Ratio Rank: 99
AMPX Sortino Ratio Rank: 95
AMPX Omega Ratio Rank: 93
AMPX Calmar Ratio Rank: 99
AMPX Martin Ratio Rank: 99

SPGI

SPGI Risk / Return Rank: 15
SPGI Sharpe Ratio Rank: 12
SPGI Sortino Ratio Rank: 15
SPGI Omega Ratio Rank: 13
SPGI Calmar Ratio Rank: 19
SPGI Martin Ratio Rank: 15

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.

AMPX vs. SPGI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Amprius Technologies Inc. (AMPX) and S&P Global Inc. (SPGI). 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.

	AMPX	SPGI	Difference
Sharpe ratio Return per unit of total volatility	7.16	-0.67	+7.82
Sortino ratio Return per unit of downside risk	4.16	-0.72	+4.88
Omega ratio Gain probability vs. loss probability	1.50	0.89	+0.61
Calmar ratio Return relative to maximum drawdown	16.20	-0.59	+16.79
Martin ratio Return relative to average drawdown	39.90	-1.16	+41.06
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

AMPX vs. SPGI - Sharpe Ratio Comparison

The current AMPX Sharpe Ratio is 7.16, which is higher than the SPGI Sharpe Ratio of -0.67. The chart below compares the historical Sharpe Ratios of AMPX and SPGI, 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

	AMPX	SPGI	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	7.16	-0.67	+7.82
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.11	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.59	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.20	0.45	-0.25

Drawdowns

AMPX vs. SPGI - Drawdown Comparison

The maximum AMPX drawdown since its inception was -94.49%, which is greater than SPGI's maximum drawdown of -74.67%. Use the drawdown chart below to compare losses from any high point for AMPX and SPGI.

Drawdown Indicators

	AMPX	SPGI	Difference
Max Drawdown Largest peak-to-trough decline	-94.49%	-74.67%	-19.82%
Max Drawdown (1Y) Largest decline over 1 year	-46.41%	-30.48%	-15.93%
Max Drawdown (3Y) Largest decline over 3 years	-93.11%	-30.48%	-62.63%
Max Drawdown (5Y) Largest decline over 5 years	—	-39.76%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-39.76%	—
Current Drawdown Current decline from peak	0.00%	-25.38%	+25.38%
Average Drawdown Average peak-to-trough decline	-55.32%	-15.22%	-40.10%
Ulcer Index Depth and duration of drawdowns from previous peaks	18.84%	15.45%	+3.39%

Volatility

AMPX vs. SPGI - Volatility Comparison

Amprius Technologies Inc. (AMPX) has a higher volatility of 44.71% compared to S&P Global Inc. (SPGI) at 7.65%. This indicates that AMPX's price experiences larger fluctuations and is considered to be riskier than SPGI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	AMPX	SPGI	Difference
Volatility (1M) Calculated over the trailing 1-month period	44.71%	7.65%	+37.06%
Volatility (6M) Calculated over the trailing 6-month period	78.36%	23.75%	+54.61%
Volatility (1Y) Calculated over the trailing 1-year period	108.34%	27.22%	+81.12%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	128.87%	24.44%	+104.43%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	128.87%	26.01%	+102.86%

Dividends

AMPX vs. SPGI - Dividend Comparison

AMPX has not paid dividends to shareholders, while SPGI's dividend yield for the trailing twelve months is around 0.92%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AMPX Amprius Technologies Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
SPGI S&P Global Inc.	0.92%	0.73%	0.73%	0.82%	0.99%	0.65%	0.82%	0.84%	1.18%	0.97%	1.34%	1.34%

Financials

AMPX vs. SPGI - Profitability Comparison

The chart below illustrates the profitability comparison between Amprius Technologies Inc. and S&P Global Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

AMPX - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Amprius Technologies Inc. reported a gross profit of 5.74M and revenue of 28.54M. Therefore, the gross margin over that period was 20.1%.

SPGI - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, S&P Global Inc. reported a gross profit of 0.00 and revenue of 4.17B. Therefore, the gross margin over that period was 0.0%.

AMPX - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Amprius Technologies Inc. reported an operating income of -6.69M and revenue of 28.54M, resulting in an operating margin of -23.4%.

SPGI - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, S&P Global Inc. reported an operating income of 2.00B and revenue of 4.17B, resulting in an operating margin of 48.0%.

AMPX - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Amprius Technologies Inc. reported a net income of -5.05M and revenue of 28.54M, resulting in a net margin of -17.7%.

SPGI - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, S&P Global Inc. reported a net income of 1.40B and revenue of 4.17B, resulting in a net margin of 33.5%.

Frequently Asked Questions

Can I hold both AMPX and SPGI in my portfolio?

AMPX and SPGI have a correlation of 0.06, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, AMPX or SPGI?

AMPX has higher volatility (44.71%) compared to SPGI (7.65%). In terms of maximum drawdown, AMPX dropped -94.49% vs SPGI's -74.67%.

Which has better risk-adjusted returns?

AMPX currently has the higher Sharpe Ratio (7.16 vs -0.67), 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.