NPKI vs. ESLA

Last updated Apr 1, 2026

Compare and contrast key facts about NPK International Inc (NPKI) and Estrella Immunopharma Inc. (ESLA).

Performance

NPKI vs. ESLA - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in NPK International Inc (NPKI) and Estrella Immunopharma Inc. (ESLA). The values are adjusted to include any dividend payments, if applicable.

NPKI vs. ESLA - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
NPKI NPK International Inc	21.56%	55.41%	15.51%	60.00%	41.16%	10.94%
ESLA Estrella Immunopharma Inc.	-32.05%	30.00%	8.11%	-89.21%	3.83%	1.64%

Fundamentals

Market Cap NPKI : $1.24B ESLA : $40.25M
EPS NPKI : $0.43 ESLA : -$0.35
Total Revenue (TTM) NPKI : $277.04M ESLA : $0.00
Gross Profit (TTM) NPKI : $100.76M ESLA : $0.00
EBITDA (TTM) NPKI : $46.73M ESLA : -$13.06M

Returns By Period

In the year-to-date period, NPKI achieves a 21.56% return, which is significantly higher than ESLA's -32.05% return.

NPKI

• 1D: 1.83%
• 1M: 0.42%
• YTD: 21.56%
• 6M: 28.12%
• 1Y: 149.40%
• 3Y*: 55.55%
• 5Y*: 34.03%
• 10Y*: 13.05%

ESLA

• 1D: 2.91%
• 1M: -13.11%
• YTD: -32.05%
• 6M: -7.83%
• 1Y: 14.35%
• 3Y*: -53.55%
• 5Y*: —
• 10Y*: —

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

Return for Risk

NPKI vs. ESLA — Risk / Return Rank

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

NPKI

NPKI Risk / Return Rank: 97
NPKI Sharpe Ratio Rank: 97
NPKI Sortino Ratio Rank: 96
NPKI Omega Ratio Rank: 95
NPKI Calmar Ratio Rank: 97
NPKI Martin Ratio Rank: 98

ESLA

ESLA Risk / Return Rank: 49
ESLA Sharpe Ratio Rank: 46
ESLA Sortino Ratio Rank: 55
ESLA Omega Ratio Rank: 53
ESLA Calmar Ratio Rank: 47
ESLA Martin Ratio Rank: 46

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.

NPKI vs. ESLA - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for NPK International Inc (NPKI) and Estrella Immunopharma Inc. (ESLA). 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.

	NPKI	ESLA	Difference
Sharpe ratio Return per unit of total volatility	3.22	0.13	+3.09
Sortino ratio Return per unit of downside risk	3.90	1.01	+2.89
Omega ratio Gain probability vs. loss probability	1.53	1.12	+0.40
Calmar ratio Return relative to maximum drawdown	7.28	0.21	+7.07
Martin ratio Return relative to average drawdown	23.39	0.41	+22.98
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

NPKI vs. ESLA - Sharpe Ratio Comparison

The current NPKI Sharpe Ratio is 3.22, which is higher than the ESLA Sharpe Ratio of 0.13. The chart below compares the historical Sharpe Ratios of NPKI and ESLA, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	NPKI	ESLA	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.22	0.13	+3.09
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.67	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.21	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.09	-0.29	+0.38

Correlation

The correlation between NPKI and ESLA is 0.05, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

NPKI vs. ESLA - Dividend Comparison

Neither NPKI nor ESLA has paid dividends to shareholders.

Tickers have no history of dividend payments

Drawdowns

NPKI vs. ESLA - Drawdown Comparison

The maximum NPKI drawdown since its inception was -97.22%, roughly equal to the maximum ESLA drawdown of -96.58%. Use the drawdown chart below to compare losses from any high point for NPKI and ESLA.

Drawdown Indicators

	NPKI	ESLA	Difference
Max Drawdown Largest peak-to-trough decline	-97.22%	-96.58%	-0.64%
Max Drawdown (1Y) Largest decline over 1 year	-20.16%	-70.13%	+49.97%
Max Drawdown (5Y) Largest decline over 5 years	-49.37%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-94.07%	—	—
Current Drawdown Current decline from peak	-39.78%	-95.01%	+55.23%
Average Drawdown Average peak-to-trough decline	-60.22%	-53.93%	-6.29%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.28%	36.54%	-30.26%

Volatility

NPKI vs. ESLA - Volatility Comparison

The current volatility for NPK International Inc (NPKI) is 11.94%, while Estrella Immunopharma Inc. (ESLA) has a volatility of 18.45%. This indicates that NPKI experiences smaller price fluctuations and is considered to be less risky than ESLA based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	NPKI	ESLA	Difference
Volatility (1M) Calculated over the trailing 1-month period	11.94%	18.45%	-6.51%
Volatility (6M) Calculated over the trailing 6-month period	27.33%	91.86%	-64.53%
Volatility (1Y) Calculated over the trailing 1-year period	46.66%	108.86%	-62.20%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	50.84%	135.37%	-84.53%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	62.73%	135.37%	-72.64%

Financials