SPRO vs. SPRX
SPRO (Spero Therapeutics, Inc.) is a stock, while SPRX (Spear Alpha ETF) is Technology Equities fund actively managed by Spear. Over the past 3 years, SPRO returned 15.44%/yr vs 48.52%/yr for SPRX. At a 0.27 correlation, their price movements are largely independent.
Performance
SPRO vs. SPRX - Performance Comparison
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Returns By Period
In the year-to-date period, SPRO achieves a 20.17% return, which is significantly lower than SPRX's 50.26% return.
SPRO
- 1D
- -1.06%
- 1M
- 12.00%
- YTD
- 20.17%
- 6M
- 22.81%
- 1Y
- 6.06%
- 3Y*
- 15.44%
- 5Y*
- -27.74%
- 10Y*
- —
SPRX
- 1D
- -1.57%
- 1M
- 33.49%
- YTD
- 50.26%
- 6M
- 44.40%
- 1Y
- 109.60%
- 3Y*
- 48.52%
- 5Y*
- —
- 10Y*
- —
SPRO vs. SPRX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
SPRO Spero Therapeutics, Inc. | 20.17% | 126.21% | -29.93% | -15.03% | -89.19% | 17.12% |
SPRX Spear Alpha ETF | 50.26% | 41.91% | 20.58% | 88.02% | -44.99% | 8.91% |
Correlation
The correlation between SPRO and SPRX is 0.26, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.26 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.24 |
Correlation (All Time) Calculated using the full available price history since Aug 5, 2021 | 0.27 |
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Return for Risk
SPRO vs. SPRX — Risk / Return Rank
SPRO
SPRX
SPRO vs. SPRX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Spero Therapeutics, Inc. (SPRO) and Spear Alpha ETF (SPRX). 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.
| SPRO | SPRX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.12 | 2.53 | -2.42 |
Sortino ratioReturn per unit of downside risk | 0.53 | 2.89 | -2.36 |
Omega ratioGain probability vs. loss probability | 1.07 | 1.38 | -0.31 |
Calmar ratioReturn relative to maximum drawdown | 0.15 | 4.55 | -4.40 |
Martin ratioReturn relative to average drawdown | 0.27 | 14.41 | -14.15 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| SPRO | SPRX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.12 | 2.53 | -2.42 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.18 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | -0.12 | 0.59 | -0.72 |
Drawdowns
SPRO vs. SPRX - Drawdown Comparison
The maximum SPRO drawdown since its inception was -97.46%, which is greater than SPRX's maximum drawdown of -51.21%. Use the drawdown chart below to compare losses from any high point for SPRO and SPRX.
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Drawdown Indicators
| SPRO | SPRX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -97.46% | -51.21% | -46.25% |
Max Drawdown (1Y)Largest decline over 1 year | -39.80% | -24.21% | -15.59% |
Max Drawdown (3Y)Largest decline over 3 years | -68.89% | -42.12% | -26.77% |
Max Drawdown (5Y)Largest decline over 5 years | -97.13% | — | — |
Current DrawdownCurrent decline from peak | -87.31% | -1.57% | -85.74% |
Average DrawdownAverage peak-to-trough decline | -62.29% | -17.65% | -44.64% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 22.79% | 7.63% | +15.16% |
Volatility
SPRO vs. SPRX - Volatility Comparison
Spero Therapeutics, Inc. (SPRO) has a higher volatility of 17.76% compared to Spear Alpha ETF (SPRX) at 14.91%. This indicates that SPRO's price experiences larger fluctuations and is considered to be riskier than SPRX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SPRO | SPRX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 17.76% | 14.91% | +2.85% |
Volatility (6M)Calculated over the trailing 6-month period | 32.23% | 35.46% | -3.23% |
Volatility (1Y)Calculated over the trailing 1-year period | 52.43% | 43.53% | +8.90% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 151.57% | 41.74% | +109.83% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 124.80% | 41.74% | +83.06% |
Dividends
SPRO vs. SPRX - Dividend Comparison
Neither SPRO nor SPRX 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
SPRO and SPRX have a correlation of 0.26, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
SPRO has higher volatility (17.76%) compared to SPRX (14.91%). In terms of maximum drawdown, SPRO dropped -97.46% vs SPRX's -51.21%.
SPRX currently has the higher Sharpe Ratio (2.53 vs 0.12), 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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