BGLTX vs. SPY

Last updated Jul 14, 2026

BGLTX (Baillie Gifford Long Term Global Growth Fund) and SPY (State Street SPDR S&P 500 ETF) are both funds - BGLTX is a Global Equities fund managed by Baillie Gifford Funds, while SPY is a S&P 500 fund tracking the S&P 500 Index. A 0.72 correlation means they provide meaningful diversification when combined. BGLTX charges 0.73%/yr vs 0.09%/yr for SPY.

Performance

BGLTX vs. SPY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Baillie Gifford Long Term Global Growth Fund (BGLTX) and State Street SPDR S&P 500 ETF (SPY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

BGLTX

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

SPY

• 1D: -0.77%
• 1M: 1.26%
• 6M: 8.34%
• YTD: 10.45%
• 1Y: 21.46%
• 3Y*: 20.07%
• 5Y*: 12.94%
• 10Y*: 15.08%

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

BGLTX vs. SPY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BGLTX Baillie Gifford Long Term Global Growth Fund	-11.38%	16.38%	25.03%	36.61%	-46.09%	2.47%	102.05%	33.53%	-1.37%	54.04%
SPY State Street SPDR S&P 500 ETF	10.45%	17.72%	24.89%	26.18%	-18.18%	28.73%	18.33%	31.22%	-4.57%	21.71%

Correlation

The correlation between BGLTX and SPY is 0.71, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.71
Correlation (3Y) Calculated over the trailing 3-year period	0.76
Correlation (5Y) Calculated over the trailing 5-year period	0.71
Correlation (10Y) Calculated over the trailing 10-year period	0.71
Correlation (All Time) Calculated using the full available price history since Jan 4, 2016	0.72

The correlation between BGLTX and SPY has been stable across timeframes, ranging from 0.71 to 0.76 - a consistent structural relationship.

Return for Risk

BGLTX vs. SPY — Risk / Return Rank

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

BGLTX

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

SPY

SPY Risk / Return Rank: 66
SPY Sharpe Ratio Rank: 66
SPY Sortino Ratio Rank: 64
SPY Omega Ratio Rank: 65
SPY Calmar Ratio Rank: 61
SPY Martin Ratio Rank: 72

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.

BGLTX vs. SPY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Baillie Gifford Long Term Global Growth Fund (BGLTX) and State Street SPDR S&P 500 ETF (SPY). 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.

	BGLTX	SPY	Difference
Sharpe ratio: Return per unit of total volatility	—	1.71	—
Sortino ratio: Return per unit of downside risk	—	2.37	—
Omega ratio: Gain probability vs. loss probability	—	1.31	—
Calmar ratio: Return relative to maximum drawdown	—	2.43	—
Martin ratio: Return relative to average drawdown	—	10.57	—

Drawdowns

Drawdown Indicators

	BGLTX	SPY	Difference
Max Drawdown Largest peak-to-trough decline	—	-55.19%	—
Max Drawdown (1Y) Largest decline over 1 year	—	-8.88%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-18.76%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-24.50%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-33.72%	—
Current Drawdown Current decline from peak	—	-1.12%	—
Average Drawdown Average peak-to-trough decline	—	-9.02%	—
Ulcer Index Depth and duration of drawdowns from previous peaks	—	2.03%	—

Volatility

Volatility by Period

	BGLTX	SPY	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	4.26%	—
Volatility (6M) Calculated over the trailing 6-month period	—	10.01%	—
Volatility (1Y) Calculated over the trailing 1-year period	—	12.60%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	17.17%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	17.93%	—

BGLTX vs. SPY - Expense Ratio Comparison

BGLTX has a 0.73% expense ratio, which is higher than SPY's 0.09% expense ratio.

Dividends

BGLTX vs. SPY - Dividend Comparison

BGLTX has not paid dividends to shareholders, while SPY's dividend yield for the trailing twelve months is around 1.00%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BGLTX Baillie Gifford Long Term Global Growth Fund	0.00%	0.00%	0.00%	0.00%	3.84%	5.15%	8.39%	0.15%	10.07%	0.00%	0.00%	0.00%
SPY State Street SPDR S&P 500 ETF	1.00%	1.07%	1.21%	1.40%	1.65%	1.20%	1.52%	1.75%	2.04%	1.80%	2.03%	2.06%

Frequently Asked Questions

Can I hold both BGLTX and SPY in my portfolio?

BGLTX and SPY have a correlation of 0.71, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.