RR vs. NAK

Last updated Jun 13, 2026

RR (Richtech Robotics Inc. Class B Common Stock) and NAK (Northern Dynasty Minerals Ltd.) are both stocks. RR operates in Specialty Industrial Machinery (Industrials), while NAK operates in Other Industrial Metals & Mining (Basic Materials). Over the past year, RR returned 7.04% vs 65.85% for NAK. At a 0.20 correlation, their price movements are largely independent.

Performance

RR vs. NAK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Richtech Robotics Inc. Class B Common Stock (RR) and Northern Dynasty Minerals Ltd. (NAK). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RR achieves a -34.06% return, which is significantly lower than NAK's 3.55% return.

RR

• 1D: -7.39%
• 1M: -24.47%
• YTD: -34.06%
• 6M: -48.30%
• 1Y: 7.04%
• 3Y*: —
• 5Y*: —
• 10Y*: —

NAK

• 1D: 4.62%
• 1M: -9.33%
• YTD: 3.55%
• 6M: -5.12%
• 1Y: 65.85%
• 3Y*: 109.20%
• 5Y*: 29.51%
• 10Y*: 20.01%

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

RR vs. NAK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
RR Richtech Robotics Inc. Class B Common Stock	-34.06%	19.63%	-54.62%	19.00%
NAK Northern Dynasty Minerals Ltd.	3.55%	238.78%	79.86%	-9.74%

Correlation

The correlation between RR and NAK is 0.33, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.33
Correlation (All Time) Calculated using the full available price history since Nov 17, 2023	0.20

The correlation between RR and NAK shifts across timeframes, from 0.20 (all time) to 0.33 (1 year), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap RR : $414.48M NAK : $1.12B
EPS RR : -$0.11 NAK : -CA$0.19
PB Ratio RR : 1.54 NAK : 88.47
Total Revenue (TTM) RR : $5.05M NAK : CA$0.00
Gross Profit (TTM) RR : $3.29M NAK : -CA$85.85K
EBITDA (TTM) RR : -$12.64M NAK : -CA$99.80M

Return for Risk

RR vs. NAK — Risk / Return Rank

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

RR

RR Risk / Return Rank: 49
RR Sharpe Ratio Rank: 45
RR Sortino Ratio Rank: 59
RR Omega Ratio Rank: 53
RR Calmar Ratio Rank: 45
RR Martin Ratio Rank: 44

NAK

NAK Risk / Return Rank: 65
NAK Sharpe Ratio Rank: 62
NAK Sortino Ratio Rank: 67
NAK Omega Ratio Rank: 71
NAK Calmar Ratio Rank: 63
NAK Martin Ratio Rank: 60

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.

RR vs. NAK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Richtech Robotics Inc. Class B Common Stock (RR) and Northern Dynasty Minerals Ltd. (NAK). 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.

	RR	NAK	Difference
Sharpe ratio: Return per unit of total volatility	0.06	0.57	-0.51
Sortino ratio: Return per unit of downside risk	1.09	1.49	-0.40
Omega ratio: Gain probability vs. loss probability	1.11	1.22	-0.11
Calmar ratio: Return relative to maximum drawdown	0.10	0.98	-0.88
Martin ratio: Return relative to average drawdown	0.15	1.67	-1.51

RR vs. NAK - Sharpe Ratio Comparison

The current RR Sharpe Ratio is 0.06, which is lower than the NAK Sharpe Ratio of 0.57. The chart below compares the historical Sharpe Ratios of RR and NAK, 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

RR vs. NAK - Drawdown Comparison

The maximum RR drawdown since its inception was -96.67%, roughly equal to the maximum NAK drawdown of -99.01%. Use the drawdown chart below to compare losses from any high point for RR and NAK.

Drawdown Indicators

	RR	NAK	Difference
Max Drawdown Largest peak-to-trough decline	-96.67%	-99.01%	+2.34%
Max Drawdown (1Y) Largest decline over 1 year	-73.37%	-67.68%	-5.69%
Max Drawdown (3Y) Largest decline over 3 years	—	-67.68%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-67.68%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-93.79%	—
Current Drawdown Current decline from peak	-80.81%	-90.32%	+9.51%
Average Drawdown Average peak-to-trough decline	-74.74%	-73.93%	-0.81%
Ulcer Index Depth and duration of drawdowns from previous peaks	45.81%	39.60%	+6.21%

Volatility

RR vs. NAK - Volatility Comparison

Richtech Robotics Inc. Class B Common Stock (RR) has a higher volatility of 31.04% compared to Northern Dynasty Minerals Ltd. (NAK) at 26.03%. This indicates that RR's price experiences larger fluctuations and is considered to be riskier than NAK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RR	NAK	Difference
Volatility (1M) Calculated over the trailing 1-month period	31.04%	26.03%	+5.01%
Volatility (6M) Calculated over the trailing 6-month period	80.95%	77.41%	+3.54%
Volatility (1Y) Calculated over the trailing 1-year period	119.13%	115.33%	+3.80%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	163.79%	83.81%	+79.98%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	163.79%	97.90%	+65.89%

Dividends

RR vs. NAK - Dividend Comparison

Neither RR nor NAK has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

Frequently Asked Questions

Can I hold both RR and NAK in my portfolio?

RR and NAK have a correlation of 0.33, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RR or NAK?

RR has higher volatility (31.04%) compared to NAK (26.03%). In terms of maximum drawdown, RR dropped -96.67% vs NAK's -99.01%.

Which has better risk-adjusted returns?

NAK currently has the higher Sharpe Ratio (0.57 vs 0.06), 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.