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 19.60%/yr vs 1.53%/yr for NBST. At a correlation of -0.01, they often move in opposite directions.
Performance
FIDEX vs. NBST - Performance Comparison
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Returns By Period
In the year-to-date period, FIDEX achieves a 14.06% return, which is significantly higher than NBST's -45.00% return.
FIDEX
- 1D
- -0.06%
- 1M
- 1.63%
- 6M
- 11.19%
- YTD
- 14.06%
- 1Y
- 25.32%
- 3Y*
- 19.60%
- 5Y*
- —
- 10Y*
- —
NBST
- 1D
- 0.00%
- 1M
- 0.00%
- 6M
- -45.00%
- YTD
- -45.00%
- 1Y
- -15.32%
- 3Y*
- 1.53%
- 5Y*
- 2.72%
- 10Y*
- —
FIDEX vs. NBST - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | |
|---|---|---|---|---|---|
FIDEX Fidelity SAI Sustainable U.S. Equity Fund | 14.06% | 15.80% | 21.44% | 24.99% | -8.88% |
NBST Newbury Street Acquisition Corporation | -45.00% | 72.56% | 8.93% | 6.29% | 2.35% |
Correlation
The correlation between FIDEX and NBST is 0.10, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.10 |
Correlation (3Y) Calculated over the trailing 3-year period | -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 0.10 (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 | +1.83 | ||
| Sortino ratioReturn per unit of downside risk | +1.41 | ||
| Omega ratioGain probability vs. loss probability | 1.31 | 1.58 | -0.27 |
| Calmar ratioReturn relative to maximum drawdown | 2.48 | -0.31 | +2.79 |
| Martin ratioReturn relative to average drawdown | 11.61 | -0.50 | +12.10 |
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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 | -0.24% | -45.00% | +44.76% |
Average DrawdownAverage peak-to-trough decline | -3.63% | -5.86% | +2.23% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.16% | 31.00% | -28.84% |
Volatility
FIDEX vs. NBST - Volatility Comparison
Fidelity SAI Sustainable U.S. Equity Fund (FIDEX) has a higher volatility of 5.04% compared to Newbury Street Acquisition Corporation (NBST) at 0.00%. This indicates that FIDEX's price experiences larger fluctuations and is considered to be riskier 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 | 5.04% | 0.00% | +5.04% |
Volatility (6M)Calculated over the trailing 6-month period | 11.78% | 79.88% | -68.10% |
Volatility (1Y)Calculated over the trailing 1-year period | 14.62% | 142.84% | -128.22% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 18.45% | 64.25% | -45.80% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.45% | 63.01% | -44.56% |
Dividends
FIDEX vs. NBST - Dividend Comparison
FIDEX's dividend yield for the trailing twelve months is around 0.14%, while NBST has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 |
|---|---|---|---|---|---|
FIDEX Fidelity SAI Sustainable U.S. Equity Fund | 0.14% | 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 0.10, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
FIDEX has higher volatility (5.04%) compared to NBST (0.00%). In terms of maximum drawdown, FIDEX dropped -21.90% vs NBST's -49.90%.
FIDEX currently has the higher Sharpe Ratio (1.72 vs -0.11), 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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