NMBL vs. RSSB

Last updated Aug 2, 2026

NMBL (NovaTide Flexible Allocation ETF) and RSSB (Return Stacked Global Stocks & Bonds ETF) are both Global Allocation funds. Both are actively managed. Their correlation of 0.81 means they have usually moved in the same direction. NMBL charges 1.99%/yr vs 0.39%/yr for RSSB.

Performance

NMBL vs. RSSB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in NovaTide Flexible Allocation ETF (NMBL) and Return Stacked Global Stocks & Bonds ETF (RSSB). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, NMBL achieves a 2.78% return, which is significantly lower than RSSB's 7.52% return.

NMBL

• 1D: 0.03%
• 1M: -1.05%
• 6M: 0.54%
• YTD: 2.78%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: —

RSSB

• 1D: 0.02%
• 1M: -1.13%
• 6M: 4.80%
• YTD: 7.52%
• 1Y: 19.46%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 18.99%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
NMBL NovaTide Flexible Allocation ETF	$29.75K	$28.39K	$73.37K
RSSB Return Stacked Global Stocks & Bonds ETF	$1.36M	$1.99M	$1.95M

NMBL vs. RSSB - Yearly Performance Comparison

	2026 (YTD)	2025
NMBL NovaTide Flexible Allocation ETF	2.78%	-0.27%
RSSB Return Stacked Global Stocks & Bonds ETF	7.52%	1.00%

Correlation

The correlation between NMBL and RSSB is 0.81, meaning they have usually moved in the same direction, including during past declines.

	Correlation
Correlation (All Time) Calculated using the full available price history since Oct 31, 2025	0.81

Return for Risk

NMBL vs. RSSB — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

NMBL

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

RSSB

RSSB Risk / Return Rank: 49
RSSB Sharpe Ratio Rank: 49
RSSB Sortino Ratio Rank: 48
RSSB Omega Ratio Rank: 47
RSSB Calmar Ratio Rank: 47
RSSB Martin Ratio Rank: 55

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

NMBL vs. RSSB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for NovaTide Flexible Allocation ETF (NMBL) and Return Stacked Global Stocks & Bonds ETF (RSSB). 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.

	NMBL	RSSB	Difference
Sharpe ratio: Return per unit of total volatility	—	1.20	—
Sortino ratio: Return per unit of downside risk	—	1.72	—
Omega ratio: Gain probability vs. loss probability	—	1.22	—
Calmar ratio: Return relative to maximum drawdown	—	1.70	—
Martin ratio: Return relative to average drawdown	—	6.54	—

Drawdowns

NMBL vs. RSSB - Drawdown Comparison

The maximum NMBL drawdown since its inception was -8.05%, smaller than the maximum RSSB drawdown of -16.21%. Use the drawdown chart below to compare losses from any high point for NMBL and RSSB.

Drawdown Indicators

	NMBL	RSSB	Difference
Max Drawdown Largest peak-to-trough decline	-8.05%	-16.21%	+8.16%
Max Drawdown (1Y) Largest decline over 1 year	—	-11.63%	—
Current Drawdown Current decline from peak	-4.49%	-3.06%	-1.43%
Average Drawdown Average peak-to-trough decline	-2.33%	-2.27%	-0.06%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	3.01%	—

Volatility

Volatility by Period

	NMBL	RSSB	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	4.43%	—
Volatility (6M) Calculated over the trailing 6-month period	—	13.38%	—
Volatility (1Y) Calculated over the trailing 1-year period	13.10%	16.39%	-3.29%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	13.10%	16.73%	-3.63%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	13.10%	16.73%	-3.63%

NMBL vs. RSSB - Expense Ratio Comparison

NMBL has a 1.99% expense ratio, which is higher than RSSB's 0.39% expense ratio.

Dividends

NMBL vs. RSSB - Dividend Comparison

NMBL's dividend yield for the trailing twelve months is around 0.90%, less than RSSB's 3.24% yield.

Position	TTM	2025	2024	2023
NMBL NovaTide Flexible Allocation ETF	0.90%	0.93%	0.00%	0.00%
RSSB Return Stacked Global Stocks & Bonds ETF	3.24%	3.48%	1.10%	0.61%

Frequently Asked Questions

Can I hold both NMBL and RSSB in my portfolio?

NMBL and RSSB have a correlation of 0.81, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, NMBL or RSSB?

On fees, RSSB is cheaper at 0.39% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, NMBL or RSSB?

RSSB is cheaper with a 0.39% expense ratio, compared with 1.99% for NMBL.

Which ETF pays a higher dividend yield, NMBL or RSSB?

RSSB has the higher dividend yield at 3.24%, compared with 0.90% for NMBL.

What is the main difference between NMBL and RSSB?

They also come from different issuers: Tidal and Return Stacked. Their fees differ too: 1.99% for NMBL and 0.39% for RSSB.