AMRN vs. SPOK
AMRN (Amarin Corporation plc) and SPOK (Spok Holdings, Inc.) are both stocks. Both are in the Healthcare sector — AMRN in Biotechnology, SPOK in Health Information Services. Over the past 10 years, AMRN returned -8.77%/yr vs 1.21%/yr for SPOK. At a 0.10 correlation, their price movements are largely independent.
Performance
AMRN vs. SPOK - Performance Comparison
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Returns By Period
In the year-to-date period, AMRN achieves a 14.44% return, which is significantly higher than SPOK's -14.06% return. Over the past 10 years, AMRN has underperformed SPOK with an annualized return of -8.77%, while SPOK has yielded a comparatively higher 1.21% annualized return.
AMRN
- 1D
- 1.01%
- 1M
- 10.67%
- YTD
- 14.44%
- 6M
- 16.91%
- 1Y
- 26.75%
- 3Y*
- -11.19%
- 5Y*
- -29.85%
- 10Y*
- -8.77%
SPOK
- 1D
- 3.88%
- 1M
- 0.68%
- YTD
- -14.06%
- 6M
- -12.33%
- 1Y
- -30.00%
- 3Y*
- 1.74%
- 5Y*
- 12.88%
- 10Y*
- 1.21%
AMRN vs. SPOK - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
AMRN Amarin Corporation plc | 14.44% | 43.87% | -44.25% | -28.10% | -64.09% | -31.08% | -77.19% | 57.53% | 239.40% | 30.19% |
SPOK Spok Holdings, Inc. | -14.06% | -10.96% | 12.06% | 107.98% | 2.88% | -11.89% | -4.22% | -4.21% | -12.37% | -22.32% |
Correlation
The correlation between AMRN and SPOK is 0.04, 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 | 0.04 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.14 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.17 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.16 |
Correlation (All Time) Calculated using the full available price history since Nov 17, 2004 | 0.10 |
The correlation between AMRN and SPOK shifts across timeframes, from 0.04 (1 year) to 0.17 (5 years), reflecting how their relationship changes across market environments.
Fundamentals
AMRN:
$6.69B
SPOK:
$226.64M
AMRN:
-$0.15
SPOK:
$0.60
AMRN:
18.90
SPOK:
1.65
AMRN:
14.89
SPOK:
1.61
AMRN:
$185.17M
SPOK:
$136.64M
AMRN:
$113.51M
SPOK:
$113.27M
AMRN:
-$8.44M
SPOK:
$21.05M
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Return for Risk
AMRN vs. SPOK — Risk / Return Rank
AMRN
SPOK
AMRN vs. SPOK - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Amarin Corporation plc (AMRN) and Spok Holdings, Inc. (SPOK). 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.
| AMRN | SPOK | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.51 | ||
| Sortino ratioReturn per unit of downside risk | +2.48 | ||
| Omega ratioGain probability vs. loss probability | 1.16 | 0.82 | +0.34 |
| Calmar ratioReturn relative to maximum drawdown | 0.81 | -0.75 | +1.56 |
| Martin ratioReturn relative to average drawdown | 1.22 | -1.17 | +2.39 |
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Drawdowns
AMRN vs. SPOK - Drawdown Comparison
The maximum AMRN drawdown since its inception was -99.97%, which is greater than SPOK's maximum drawdown of -73.90%. Use the drawdown chart below to compare losses from any high point for AMRN and SPOK.
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Drawdown Indicators
| AMRN | SPOK | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -99.97% | -73.90% | -26.07% |
Max Drawdown (1Y)Largest decline over 1 year | -33.33% | -39.88% | +6.55% |
Max Drawdown (3Y)Largest decline over 3 years | -72.02% | -39.88% | -32.14% |
Max Drawdown (5Y)Largest decline over 5 years | -93.15% | -39.88% | -53.27% |
Max Drawdown (10Y)Largest decline over 10 years | -98.34% | -62.99% | -35.35% |
Current DrawdownCurrent decline from peak | -99.94% | -37.05% | -62.89% |
Average DrawdownAverage peak-to-trough decline | -90.41% | -28.11% | -62.30% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 21.98% | 25.73% | -3.75% |
Volatility
AMRN vs. SPOK - Volatility Comparison
Amarin Corporation plc (AMRN) has a higher volatility of 9.45% compared to Spok Holdings, Inc. (SPOK) at 8.64%. This indicates that AMRN's price experiences larger fluctuations and is considered to be riskier than SPOK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| AMRN | SPOK | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 9.45% | 8.64% | +0.81% |
Volatility (6M)Calculated over the trailing 6-month period | 32.80% | 21.91% | +10.89% |
Volatility (1Y)Calculated over the trailing 1-year period | 52.54% | 30.24% | +22.30% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 69.42% | 34.15% | +35.27% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 121.64% | 36.28% | +85.36% |
Dividends
AMRN vs. SPOK - Dividend Comparison
AMRN has not paid dividends to shareholders, while SPOK's dividend yield for the trailing twelve months is around 11.66%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AMRN Amarin Corporation plc | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
SPOK Spok Holdings, Inc. | 11.66% | 9.48% | 7.79% | 8.07% | 15.26% | 5.36% | 4.49% | 4.09% | 3.77% | 3.19% | 3.61% | 3.41% |
Financials
AMRN vs. SPOK - Financials Comparison
This section allows you to compare key financial metrics between Amarin Corporation plc and Spok Holdings, 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
AMRN vs. SPOK - Profitability Comparison
AMRN - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Amarin Corporation plc reported a gross profit of 17.77M and revenue of 43.33M. Therefore, the gross margin over that period was 41.0%.
SPOK - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Spok Holdings, Inc. reported a gross profit of 25.50M and revenue of 33.23M. Therefore, the gross margin over that period was 76.7%.
AMRN - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Amarin Corporation plc reported an operating income of -8.01M and revenue of 43.33M, resulting in an operating margin of -18.5%.
SPOK - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Spok Holdings, Inc. reported an operating income of 2.44M and revenue of 33.23M, resulting in an operating margin of 7.4%.
AMRN - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Amarin Corporation plc reported a net income of -10.51M and revenue of 43.33M, resulting in a net margin of -24.3%.
SPOK - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Spok Holdings, Inc. reported a net income of 1.99M and revenue of 33.23M, resulting in a net margin of 6.0%.
Frequently Asked Questions
AMRN and SPOK have a correlation of 0.04, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
AMRN has higher volatility (9.45%) compared to SPOK (8.64%). In terms of maximum drawdown, AMRN dropped -99.97% vs SPOK's -73.90%.
AMRN currently has the higher Sharpe Ratio (0.51 vs -1.00), 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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