SPCI vs. BUCK

Last updated Jun 5, 2026

SPCI (Tuttle Capital Space Industry Income Blast ETF) and BUCK (Simplify Treasury Option Income ETF) are both exchange-traded funds - SPCI is a Derivative Income fund tracking the Syntax Space Industry Index, while BUCK is a Government Bonds fund actively managed by Simplify. SPCI is passively managed, while BUCK is actively managed. At a correlation of -0.01, they often move in opposite directions. SPCI charges 0.99%/yr vs 0.35%/yr for BUCK.

Performance

SPCI vs. BUCK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Tuttle Capital Space Industry Income Blast ETF (SPCI) and Simplify Treasury Option Income ETF (BUCK). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

SPCI

• 1D: 4.48%
• 1M: 38.58%
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

BUCK

• 1D: 0.09%
• 1M: 0.43%
• YTD: 1.99%
• 6M: 1.92%
• 1Y: 7.46%
• 3Y*: 5.27%
• 5Y*: —
• 10Y*: —

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

SPCI vs. BUCK - Yearly Performance Comparison

	2026 (YTD)
SPCI Tuttle Capital Space Industry Income Blast ETF	82.38%
BUCK Simplify Treasury Option Income ETF	1.09%

Correlation

The correlation between SPCI and BUCK is -0.01, 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 (All Time) Calculated using the full available price history since Mar 13, 2026	-0.01

Return for Risk

SPCI vs. BUCK — Risk / Return Rank

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

BUCK

BUCK Risk / Return Rank: 85
BUCK Sharpe Ratio Rank: 76
BUCK Sortino Ratio Rank: 81
BUCK Omega Ratio Rank: 85
BUCK Calmar Ratio Rank: 91
BUCK Martin Ratio Rank: 95

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.

SPCI vs. BUCK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Tuttle Capital Space Industry Income Blast ETF (SPCI) and Simplify Treasury Option Income ETF (BUCK). 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

	SPCI	BUCK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	2.42	—
Sharpe Ratio (All Time) Calculated using the full available price history	13.39	1.48	+11.91

Drawdowns

SPCI vs. BUCK - Drawdown Comparison

The maximum SPCI drawdown since its inception was -21.33%, which is greater than BUCK's maximum drawdown of -5.43%. Use the drawdown chart below to compare losses from any high point for SPCI and BUCK.

Drawdown Indicators

	SPCI	BUCK	Difference
Max Drawdown Largest peak-to-trough decline	-21.33%	-5.43%	-15.90%
Max Drawdown (1Y) Largest decline over 1 year	—	-1.31%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-5.43%	—
Current Drawdown Current decline from peak	-17.80%	0.00%	-17.80%
Average Drawdown Average peak-to-trough decline	-5.22%	-0.49%	-4.73%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	0.25%	—

Volatility

Volatility by Period

	SPCI	BUCK	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	0.70%	—
Volatility (6M) Calculated over the trailing 6-month period	—	1.52%	—
Volatility (1Y) Calculated over the trailing 1-year period	95.00%	3.14%	+91.86%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	95.00%	3.48%	+91.52%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	95.00%	3.48%	+91.52%

SPCI vs. BUCK - Expense Ratio Comparison

SPCI has a 0.99% expense ratio, which is higher than BUCK's 0.35% expense ratio.

Dividends

SPCI vs. BUCK - Dividend Comparison

SPCI's dividend yield for the trailing twelve months is around 4.90%, less than BUCK's 7.41% yield.

Position	TTM	2025	2024	2023	2022
BUCK Simplify Treasury Option Income ETF	7.41%	7.59%	8.84%	4.84%	0.59%
SPCI Tuttle Capital Space Industry Income Blast ETF	4.90%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both SPCI and BUCK in my portfolio?

SPCI and BUCK have a correlation of -0.01, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, SPCI or BUCK?

On fees, BUCK is cheaper at 0.35% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, SPCI or BUCK?

BUCK is cheaper with a 0.35% expense ratio, compared with 0.99% for SPCI.

Which ETF pays a higher dividend yield, SPCI or BUCK?

BUCK has the higher dividend yield at 7.41%, compared with 4.90% for SPCI.

What is the main difference between SPCI and BUCK?

SPCI is categorized as Derivative Income, while BUCK is Government Bonds. They also come from different issuers: Tuttle and Simplify. Their fees differ too: 0.99% for SPCI and 0.35% for BUCK.