SPAX vs. FZROX

Last updated Jun 3, 2026

SPAX (Robinson Alternative Yield Pre-merger SPAC ETF) and FZROX (Fidelity ZERO Total Market Index Fund) are both funds - SPAX is a Event Driven fund actively managed by Toroso Investments, while FZROX is a Large Cap Blend Equities fund managed by Fidelity. At a 0.04 correlation, their price movements are largely independent. SPAX charges 0.85%/yr vs 0.00%/yr for FZROX.

Performance

SPAX vs. FZROX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Robinson Alternative Yield Pre-merger SPAC ETF (SPAX) and Fidelity ZERO Total Market Index Fund (FZROX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

SPAX

• 1D: —
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

FZROX

• 1D: 0.27%
• 1M: 5.13%
• YTD: 11.76%
• 6M: 12.13%
• 1Y: 29.74%
• 3Y*: 22.40%
• 5Y*: 13.14%
• 10Y*: —

*Multi-year figures are annualized to reflect compound growth (CAGR)

SPAX vs. FZROX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
SPAX Robinson Alternative Yield Pre-merger SPAC ETF	0.00%	0.02%	5.11%	6.63%	1.25%	2.19%
FZROX Fidelity ZERO Total Market Index Fund	11.76%	17.23%	23.94%	26.20%	-19.21%	10.73%

Correlation

The correlation between SPAX and FZROX 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 (3Y) Calculated over the trailing 3-year period	0.07
Correlation (All Time) Calculated using the full available price history since Jun 24, 2021	0.04

Return for Risk

SPAX vs. FZROX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

FZROX

FZROX Risk / Return Rank: 72
FZROX Sharpe Ratio Rank: 73
FZROX Sortino Ratio Rank: 65
FZROX Omega Ratio Rank: 65
FZROX Calmar Ratio Rank: 75
FZROX Martin Ratio Rank: 83

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

SPAX vs. FZROX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Robinson Alternative Yield Pre-merger SPAC ETF (SPAX) and Fidelity ZERO Total Market Index Fund (FZROX). 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	SPAX	FZROX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	2.49	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.76	—
Sharpe Ratio (All Time) Calculated using the full available price history	—	0.73	—

Drawdowns

Drawdown Indicators

	SPAX	FZROX	Difference
Max Drawdown Largest peak-to-trough decline	—	-34.96%	—
Max Drawdown (1Y) Largest decline over 1 year	—	-8.89%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-19.38%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-25.12%	—
Current Drawdown Current decline from peak	—	0.00%	—
Average Drawdown Average peak-to-trough decline	—	-5.51%	—
Ulcer Index Depth and duration of drawdowns from previous peaks	—	1.92%	—

Volatility

Volatility by Period

	SPAX	FZROX	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	2.99%	—
Volatility (6M) Calculated over the trailing 6-month period	—	9.23%	—
Volatility (1Y) Calculated over the trailing 1-year period	—	12.25%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	17.44%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	20.14%	—

SPAX vs. FZROX - Expense Ratio Comparison

SPAX has a 0.85% expense ratio, which is higher than FZROX's 0.00% expense ratio.

Dividends

SPAX vs. FZROX - Dividend Comparison

SPAX has not paid dividends to shareholders, while FZROX's dividend yield for the trailing twelve months is around 0.92%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019
FZROX Fidelity ZERO Total Market Index Fund	0.92%	1.02%	1.16%	1.36%	1.57%	1.25%	1.27%	1.51%
SPAX Robinson Alternative Yield Pre-merger SPAC ETF	0.00%	0.00%	5.50%	7.54%	0.97%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both SPAX and FZROX in my portfolio?

SPAX and FZROX 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.