NPKI vs. ESLA
NPKI (NPK International Inc) and ESLA (Estrella Immunopharma Inc.) are both stocks. NPKI operates in Oil & Gas Equipment & Services (Energy), while ESLA operates in Biotechnology (Healthcare). Over the past 3 years, NPKI returned 47.79%/yr vs -54.72%/yr for ESLA. At a 0.07 correlation, their price movements are largely independent.
Performance
NPKI vs. ESLA - Performance Comparison
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Returns By Period
In the year-to-date period, NPKI achieves a 29.45% return, which is significantly higher than ESLA's -35.90% return.
NPKI
- 1D
- 0.72%
- 1M
- -0.58%
- YTD
- 29.45%
- 6M
- 26.27%
- 1Y
- 80.68%
- 3Y*
- 47.79%
- 5Y*
- 31.53%
- 10Y*
- 10.11%
ESLA
- 1D
- 7.05%
- 1M
- -13.79%
- YTD
- -35.90%
- 6M
- -34.21%
- 1Y
- 8.70%
- 3Y*
- -54.72%
- 5Y*
- —
- 10Y*
- —
NPKI vs. ESLA - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
NPKI NPK International Inc | 29.45% | 55.41% | 15.51% | 60.00% | 41.16% | 8.49% |
ESLA Estrella Immunopharma Inc. | -35.90% | 30.00% | 8.11% | -89.21% | 3.83% | 0.61% |
Correlation
The correlation between NPKI and ESLA is 0.17, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.17 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.11 |
Correlation (All Time) Calculated using the full available price history since Sep 14, 2021 | 0.07 |
The correlation between NPKI and ESLA shifts across timeframes, from 0.07 (all time) to 0.17 (1 year), reflecting how their relationship changes across market environments.
Fundamentals
NPKI:
$1.32B
ESLA:
$42.12M
NPKI:
$0.44
ESLA:
-$0.35
NPKI:
$287.34M
ESLA:
$0.00
NPKI:
$102.70M
ESLA:
$0.00
NPKI:
$27.55M
ESLA:
-$13.25M
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Return for Risk
NPKI vs. ESLA — Risk / Return Rank
NPKI
ESLA
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.
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.
| NPKI | ESLA | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +2.17 | ||
| Sortino ratioReturn per unit of downside risk | +1.80 | ||
| Omega ratioGain probability vs. loss probability | 1.34 | 1.12 | +0.22 |
| Calmar ratioReturn relative to maximum drawdown | 4.52 | 0.12 | +4.40 |
| Martin ratioReturn relative to average drawdown | 13.54 | 0.20 | +13.35 |
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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.
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Drawdown Indicators
| NPKI | ESLA | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -97.22% | -96.58% | -0.64% |
Max Drawdown (1Y)Largest decline over 1 year | -17.94% | -70.13% | +52.19% |
Max Drawdown (3Y)Largest decline over 3 years | -42.11% | -96.58% | +54.47% |
Max Drawdown (5Y)Largest decline over 5 years | -49.37% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -94.07% | — | — |
Current DrawdownCurrent decline from peak | -35.87% | -95.29% | +59.42% |
Average DrawdownAverage peak-to-trough decline | -60.07% | -55.78% | -4.29% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.98% | 44.10% | -38.12% |
Volatility
NPKI vs. ESLA - Volatility Comparison
The current volatility for NPK International Inc (NPKI) is 11.79%, while Estrella Immunopharma Inc. (ESLA) has a volatility of 18.90%. 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.
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Volatility by Period
| NPKI | ESLA | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 11.79% | 18.90% | -7.11% |
Volatility (6M)Calculated over the trailing 6-month period | 27.90% | 72.06% | -44.16% |
Volatility (1Y)Calculated over the trailing 1-year period | 36.11% | 111.74% | -75.63% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 49.49% | 134.35% | -84.86% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 62.18% | 134.35% | -72.17% |
Dividends
NPKI vs. ESLA - Dividend Comparison
Neither NPKI nor ESLA has paid dividends to shareholders.
Financials
NPKI vs. ESLA - Financials Comparison
This section allows you to compare key financial metrics between NPK International Inc and Estrella Immunopharma Inc.. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
Frequently Asked Questions
NPKI and ESLA have a correlation of 0.17, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ESLA has higher volatility (18.90%) compared to NPKI (11.79%). In terms of maximum drawdown, NPKI dropped -97.22% vs ESLA's -96.58%.
NPKI currently has the higher Sharpe Ratio (2.25 vs 0.08), 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.
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