SPRX vs. SPRO
SPRX (Spear Alpha ETF) is Technology Equities fund actively managed by Spear, while SPRO (Spero Therapeutics, Inc.) is a stock. Over the past 3 years, SPRX returned 29.23%/yr vs -8.35%/yr for SPRO. Their 0.26 correlation means their historical movements had little consistent relationship.
Performance
SPRX vs. SPRO - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, SPRX achieves a 10.60% return, which is significantly higher than SPRO's -49.79% return.
SPRX
- 1D
- 1.12%
- 1M
- -16.08%
- 6M
- 5.15%
- YTD
- 10.60%
- 1Y
- 32.41%
- 3Y*
- 29.23%
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- 16.44%
SPRO
- 1D
- -2.50%
- 1M
- -46.82%
- 6M
- -46.58%
- YTD
- -49.79%
- 1Y
- -49.13%
- 3Y*
- -8.35%
- 5Y*
- -38.54%
- 10Y*
- —
- ALL TIME*
- -24.24%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $3.27M | $3.26M | $3.15M | |
SPRX Spear Alpha ETF | $6.60M | $5.75M | $7.61M |
SPRX vs. SPRO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
SPRX Spear Alpha ETF | 10.60% | 41.91% | 20.58% | 88.02% | -44.99% | 9.15% |
SPRO Spero Therapeutics, Inc. | -49.79% | 126.21% | -29.93% | -15.03% | -89.19% | 15.43% |
Correlation
The correlation between SPRX and SPRO is 0.27, which is low. Their historical price movements had little consistent relationship.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.27 |
Correlation (3Y) Balances recent behavior with more history. | 0.23 |
Correlation (All Time) Calculated using the full available price history since Aug 4, 2021 | 0.26 |
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
SPRX vs. SPRO — Risk / Return Rank
SPRX
SPRO
SPRX vs. SPRO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Spear Alpha ETF (SPRX) and Spero Therapeutics, Inc. (SPRO). 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.
| SPRX | SPRO | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.31 | ||
| Sortino ratioReturn per unit of downside risk | +1.95 | ||
| Omega ratioGain probability vs. loss probability | 1.13 | 0.87 | +0.26 |
| Calmar ratioReturn relative to maximum drawdown | 0.78 | -0.81 | +1.59 |
| Martin ratioReturn relative to average drawdown | 2.74 | -2.72 | +5.46 |
Loading charts...
Drawdowns
SPRX vs. SPRO - Drawdown Comparison
The maximum SPRX drawdown since its inception was -51.21%, smaller than the maximum SPRO drawdown of -97.46%. Use the drawdown chart below to compare losses from any high point for SPRX and SPRO.
Loading charts...
Drawdown Indicators
| SPRX | SPRO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -51.21% | -97.46% | +46.25% |
Max Drawdown (1Y)Largest decline over 1 year | -35.87% | -61.07% | +25.20% |
Max Drawdown (3Y)Largest decline over 3 years | -42.12% | -68.89% | +26.77% |
Max Drawdown (5Y)Largest decline over 5 years | -51.21% | -97.13% | +45.92% |
Current DrawdownCurrent decline from peak | -27.55% | -94.70% | +67.15% |
Average DrawdownAverage peak-to-trough decline | -17.53% | -62.80% | +45.27% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 10.18% | 18.27% | -8.09% |
Volatility
SPRX vs. SPRO - Volatility Comparison
The current volatility for Spear Alpha ETF (SPRX) is 21.68%, while Spero Therapeutics, Inc. (SPRO) has a volatility of 28.65%. This indicates that SPRX experiences smaller price fluctuations and is considered to be less risky than SPRO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| SPRX | SPRO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 21.68% | 28.65% | -6.97% |
Volatility (6M)Calculated over the trailing 6-month period | 43.65% | 54.70% | -11.05% |
Volatility (1Y)Calculated over the trailing 1-year period | 52.09% | 64.87% | -12.78% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 43.22% | 152.38% | -109.16% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 43.22% | 124.57% | -81.35% |
Dividends
SPRX vs. SPRO - Dividend Comparison
Neither SPRX nor SPRO has paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 |
|---|---|---|---|---|---|---|
SPRO Spero Therapeutics, Inc. | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
SPRX Spear Alpha ETF | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.25% |
Frequently Asked Questions
SPRX and SPRO have a correlation of 0.27, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
SPRO has higher volatility (28.65%) compared to SPRX (21.68%). In terms of maximum drawdown, SPRX dropped -51.21% vs SPRO's -97.46%.
SPRX currently has the higher Sharpe Ratio (0.54 vs -0.77), 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.
Find the right allocation for SPRX and SPRO
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer