TMC vs. AMPX

Last updated Jun 13, 2026

TMC (TMC the metals company Inc.) and AMPX (Amprius Technologies Inc.) are both stocks. TMC operates in Other Industrial Metals & Mining (Basic Materials), while AMPX operates in Electrical Equipment & Parts (Industrials). Over the past 3 years, TMC returned 68.25%/yr vs 16.37%/yr for AMPX. At a 0.27 correlation, their price movements are largely independent.

Performance

TMC vs. AMPX - Performance Comparison

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

Returns By Period

In the year-to-date period, TMC achieves a -11.99% return, which is significantly lower than AMPX's 106.72% return.

TMC

• 1D: 5.85%
• 1M: -3.72%
• YTD: -11.99%
• 6M: -18.22%
• 1Y: 13.12%
• 3Y*: 68.25%
• 5Y*: —
• 10Y*: —

AMPX

• 1D: -4.62%
• 1M: -6.91%
• YTD: 106.72%
• 6M: 49.50%
• 1Y: 313.96%
• 3Y*: 16.37%
• 5Y*: —
• 10Y*: —

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

TMC vs. AMPX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
TMC TMC the metals company Inc.	-11.99%	450.89%	1.82%	42.86%	-23.00%
AMPX Amprius Technologies Inc.	106.72%	181.79%	-47.07%	-33.29%	-11.99%

Correlation

The correlation between TMC and AMPX is 0.48, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.48
Correlation (3Y) Calculated over the trailing 3-year period	0.31
Correlation (All Time) Calculated using the full available price history since Sep 15, 2022	0.27

Over the past year, TMC and AMPX have become more correlated (0.48) than their long-term average of 0.27, meaning their price movements have been converging.

Fundamentals

Market Cap TMC : $1.75T AMPX : $2.23B
EPS TMC : -$0.00 AMPX : -$0.31
Total Revenue (TTM) TMC : $0.00 AMPX : $90.26M
Gross Profit (TTM) TMC : -$136.00K AMPX : $16.37M
EBITDA (TTM) TMC : -$296.72M AMPX : -$17.72M

Return for Risk

TMC vs. AMPX — Risk / Return Rank

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

TMC

TMC Risk / Return Rank: 50
TMC Sharpe Ratio Rank: 48
TMC Sortino Ratio Rank: 57
TMC Omega Ratio Rank: 53
TMC Calmar Ratio Rank: 48
TMC Martin Ratio Rank: 46

AMPX

AMPX Risk / Return Rank: 92
AMPX Sharpe Ratio Rank: 95
AMPX Sortino Ratio Rank: 89
AMPX Omega Ratio Rank: 86
AMPX Calmar Ratio Rank: 95
AMPX Martin Ratio Rank: 94

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.

TMC vs. AMPX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for TMC the metals company Inc. (TMC) and Amprius Technologies Inc. (AMPX). 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.

	TMC	AMPX	Difference
Sharpe ratio: Return per unit of total volatility	0.13	2.93	-2.81
Sortino ratio: Return per unit of downside risk	1.02	2.93	-1.92
Omega ratio: Gain probability vs. loss probability	1.11	1.34	-0.23
Calmar ratio: Return relative to maximum drawdown	0.21	6.82	-6.60
Martin ratio: Return relative to average drawdown	0.35	16.45	-16.10

TMC vs. AMPX - Sharpe Ratio Comparison

The current TMC Sharpe Ratio is 0.13, which is lower than the AMPX Sharpe Ratio of 2.93. The chart below compares the historical Sharpe Ratios of TMC and AMPX, 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

TMC vs. AMPX - Drawdown Comparison

The maximum TMC drawdown since its inception was -95.58%, roughly equal to the maximum AMPX drawdown of -94.49%. Use the drawdown chart below to compare losses from any high point for TMC and AMPX.

Drawdown Indicators

	TMC	AMPX	Difference
Max Drawdown Largest peak-to-trough decline	-95.58%	-94.49%	-1.09%
Max Drawdown (1Y) Largest decline over 1 year	-61.65%	-46.41%	-15.24%
Max Drawdown (3Y) Largest decline over 3 years	-74.56%	-92.44%	+17.88%
Current Drawdown Current decline from peak	-56.39%	-28.81%	-27.58%
Average Drawdown Average peak-to-trough decline	-79.43%	-54.95%	-24.48%
Ulcer Index Depth and duration of drawdowns from previous peaks	37.93%	19.19%	+18.74%

Volatility

TMC vs. AMPX - Volatility Comparison

The current volatility for TMC the metals company Inc. (TMC) is 24.27%, while Amprius Technologies Inc. (AMPX) has a volatility of 33.62%. This indicates that TMC experiences smaller price fluctuations and is considered to be less risky than AMPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TMC	AMPX	Difference
Volatility (1M) Calculated over the trailing 1-month period	24.27%	33.62%	-9.35%
Volatility (6M) Calculated over the trailing 6-month period	68.29%	79.90%	-11.61%
Volatility (1Y) Calculated over the trailing 1-year period	104.72%	109.24%	-4.52%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	113.21%	128.75%	-15.54%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	113.21%	128.75%	-15.54%

Dividends

TMC vs. AMPX - Dividend Comparison

Neither TMC nor AMPX has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

Frequently Asked Questions

Can I hold both TMC and AMPX in my portfolio?

TMC and AMPX have a correlation of 0.48, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TMC or AMPX?

AMPX has higher volatility (33.62%) compared to TMC (24.27%). In terms of maximum drawdown, TMC dropped -95.58% vs AMPX's -94.49%.

Which has better risk-adjusted returns?

AMPX currently has the higher Sharpe Ratio (2.93 vs 0.13), 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.