FIDEX vs. NBST
FIDEX (Fidelity SAI Sustainable U.S. Equity Fund) is Large Cap Blend Equities fund actively managed by Fidelity, while NBST (Newbury Street Acquisition Corporation) is a stock. Over the past 3 years, FIDEX returned 18.04%/yr vs 2.98%/yr for NBST. Their -0.01 correlation means they have often moved in opposite directions in the past.
Performance
FIDEX vs. NBST - Performance Comparison
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Returns By Period
In the year-to-date period, FIDEX achieves a 12.43% return, which is significantly higher than NBST's -42.25% return.
FIDEX
- 1D
- 0.36%
- 1M
- -0.60%
- 6M
- 9.53%
- YTD
- 12.43%
- 1Y
- 23.44%
- 3Y*
- 18.04%
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- 14.78%
NBST
- 1D
- 0.00%
- 1M
- 5.00%
- 6M
- 9.90%
- YTD
- -42.25%
- 1Y
- -11.09%
- 3Y*
- 2.98%
- 5Y*
- 3.75%
- 10Y*
- —
- ALL TIME*
- 2.92%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $115.50 | $605.00 | $208.46 |
FIDEX vs. NBST - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | |
|---|---|---|---|---|---|
FIDEX Fidelity SAI Sustainable U.S. Equity Fund | 12.43% | 15.80% | 21.44% | 24.99% | -8.88% |
NBST Newbury Street Acquisition Corporation | -42.25% | 72.56% | 8.93% | 6.29% | 2.35% |
Correlation
The correlation between FIDEX and NBST is 0.11, which is low. Their historical price movements had little consistent relationship.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.11 |
Correlation (3Y) Balances recent behavior with more history. | -0.01 |
Correlation (All Time) Calculated using the full available price history since Apr 25, 2022 | -0.01 |
The correlation between FIDEX and NBST shifts across timeframes, from -0.01 (all time) to 0.11 (1 year), reflecting how their relationship changes across market environments.
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Return for Risk
FIDEX vs. NBST — Risk / Return Rank
FIDEX
NBST
FIDEX vs. NBST - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Fidelity SAI Sustainable U.S. Equity Fund (FIDEX) and Newbury Street Acquisition Corporation (NBST). 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.
| FIDEX | NBST | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.52 | ||
| Sortino ratioReturn per unit of downside risk | +0.99 | ||
| Omega ratioGain probability vs. loss probability | 1.26 | 1.62 | -0.37 |
| Calmar ratioReturn relative to maximum drawdown | 2.13 | -0.22 | +2.35 |
| Martin ratioReturn relative to average drawdown | 9.73 | -0.34 | +10.07 |
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Drawdowns
FIDEX vs. NBST - Drawdown Comparison
The maximum FIDEX drawdown since its inception was -21.90%, smaller than the maximum NBST drawdown of -49.90%. Use the drawdown chart below to compare losses from any high point for FIDEX and NBST.
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Drawdown Indicators
| FIDEX | NBST | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -21.90% | -49.90% | +28.00% |
Max Drawdown (1Y)Largest decline over 1 year | -10.13% | -49.90% | +39.77% |
Max Drawdown (3Y)Largest decline over 3 years | -21.90% | -49.90% | +28.00% |
Max Drawdown (5Y)Largest decline over 5 years | — | -49.90% | — |
Current DrawdownCurrent decline from peak | -1.66% | -42.25% | +40.59% |
Average DrawdownAverage peak-to-trough decline | -3.61% | -6.28% | +2.67% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.21% | 32.67% | -30.46% |
Volatility
FIDEX vs. NBST - Volatility Comparison
The current volatility for Fidelity SAI Sustainable U.S. Equity Fund (FIDEX) is 3.87%, while Newbury Street Acquisition Corporation (NBST) has a volatility of 4.88%. This indicates that FIDEX experiences smaller price fluctuations and is considered to be less risky than NBST based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| FIDEX | NBST | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.87% | 4.88% | -1.01% |
Volatility (6M)Calculated over the trailing 6-month period | 12.07% | 47.53% | -35.46% |
Volatility (1Y)Calculated over the trailing 1-year period | 14.99% | 142.92% | -127.93% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 18.41% | 64.29% | -45.88% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.41% | 62.69% | -44.28% |
Dividends
FIDEX vs. NBST - Dividend Comparison
FIDEX's dividend yield for the trailing twelve months is around 0.15%, while NBST has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 |
|---|---|---|---|---|---|
FIDEX Fidelity SAI Sustainable U.S. Equity Fund | 0.15% | 1.64% | 1.87% | 0.46% | 0.63% |
NBST Newbury Street Acquisition Corporation | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
FIDEX and NBST have a correlation of 0.11, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
NBST has higher volatility (4.88%) compared to FIDEX (3.87%). In terms of maximum drawdown, FIDEX dropped -21.90% vs NBST's -49.90%.
FIDEX currently has the higher Sharpe Ratio (1.44 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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