^GSPC vs. ^N225

Last updated Jun 9, 2026

^GSPC (S&P 500 Index) and ^N225 (Nikkei 225) are both indexes. Over the past 10 years, ^GSPC returned 13.45%/yr vs 10.34%/yr for ^N225. At a 0.02 correlation, their price movements are largely independent.

Performance

^GSPC vs. ^N225 - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in S&P 500 Index (^GSPC) and Nikkei 225 (^N225). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

^GSPC is traded in USD, while ^N225 is traded in JPY. To make them comparable, the ^N225 values have been converted to USD using the latest available exchange rates.

Returns By Period

In the year-to-date period, ^GSPC achieves a 8.18% return, which is significantly lower than ^N225's 29.07% return. Over the past 10 years, ^GSPC has outperformed ^N225 with an annualized return of 13.45%, while ^N225 has yielded a comparatively lower 10.34% annualized return.

^GSPC

• 1D: 0.30%
• 1M: 0.09%
• YTD: 8.18%
• 6M: 8.17%
• 1Y: 23.42%
• 3Y*: 19.88%
• 5Y*: 11.91%
• 10Y*: 13.45%

^N225

• 1D: 0.00%
• 1M: 3.75%
• YTD: 29.07%
• 6M: 28.03%
• 1Y: 59.40%
• 3Y*: 21.51%
• 5Y*: 9.41%
• 10Y*: 10.34%

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

^GSPC vs. ^N225 - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
^GSPC S&P 500 Index	8.18%	16.39%	23.31%	24.23%	-19.44%	26.89%	16.26%	28.88%	-6.24%	19.42%
^N225 Nikkei 225	29.07%	26.56%	7.17%	19.21%	-20.48%	-5.90%	22.42%	19.73%	-10.20%	23.76%

Correlation

The correlation between ^GSPC and ^N225 is 0.14, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.14
Correlation (3Y) Calculated over the trailing 3-year period	0.10
Correlation (5Y) Calculated over the trailing 5-year period	0.12
Correlation (10Y) Calculated over the trailing 10-year period	0.11
Correlation (All Time) Calculated using the full available price history since Jul 5, 2007	0.02

The correlation between ^GSPC and ^N225 shifts across timeframes, from 0.02 (all time) to 0.14 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

^GSPC vs. ^N225 — Risk / Return Rank

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

^GSPC

^GSPC Risk / Return Rank: 68
^GSPC Sharpe Ratio Rank: 63
^GSPC Sortino Ratio Rank: 65
^GSPC Omega Ratio Rank: 71
^GSPC Calmar Ratio Rank: 65
^GSPC Martin Ratio Rank: 79

^N225

^N225 Risk / Return Rank: 94
^N225 Sharpe Ratio Rank: 93
^N225 Sortino Ratio Rank: 95
^N225 Omega Ratio Rank: 93
^N225 Calmar Ratio Rank: 95
^N225 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.

^GSPC vs. ^N225 - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for S&P 500 Index (^GSPC) and Nikkei 225 (^N225). 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.

	^GSPC	^N225	Difference
Sharpe ratio: Return per unit of total volatility	1.94	2.40	-0.46
Sortino ratio: Return per unit of downside risk	2.63	3.38	-0.75
Omega ratio: Gain probability vs. loss probability	1.35	1.40	-0.04
Calmar ratio: Return relative to maximum drawdown	2.59	4.11	-1.53
Martin ratio: Return relative to average drawdown	11.84	13.32	-1.47
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

^GSPC vs. ^N225 - Sharpe Ratio Comparison

The current ^GSPC Sharpe Ratio is 1.94, which is comparable to the ^N225 Sharpe Ratio of 2.40. The chart below compares the historical Sharpe Ratios of ^GSPC and ^N225, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	^GSPC	^N225	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.94	2.40	-0.46
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.71	0.41	+0.30
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.75	0.50	+0.25
Sharpe Ratio (All Time) Calculated using the full available price history	0.47	0.25	+0.22

Drawdowns

^GSPC vs. ^N225 - Drawdown Comparison

The maximum ^GSPC drawdown since its inception was -56.78%, which is greater than ^N225's maximum drawdown of -52.37%. Use the drawdown chart below to compare losses from any high point for ^GSPC and ^N225.

Drawdown Indicators

	^GSPC	^N225	Difference
Max Drawdown Largest peak-to-trough decline	-56.78%	-52.37%	-4.41%
Max Drawdown (1Y) Largest decline over 1 year	-9.10%	-14.75%	+5.65%
Max Drawdown (3Y) Largest decline over 3 years	-18.90%	-24.78%	+5.88%
Max Drawdown (5Y) Largest decline over 5 years	-25.43%	-36.26%	+10.83%
Max Drawdown (10Y) Largest decline over 10 years	-33.92%	-37.97%	+4.05%
Current Drawdown Current decline from peak	-2.68%	-2.84%	+0.16%
Average Drawdown Average peak-to-trough decline	-10.72%	-13.62%	+2.90%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.98%	4.47%	-2.49%

Volatility

^GSPC vs. ^N225 - Volatility Comparison

The current volatility for S&P 500 Index (^GSPC) is 3.80%, while Nikkei 225 (^N225) has a volatility of 7.37%. This indicates that ^GSPC experiences smaller price fluctuations and is considered to be less risky than ^N225 based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	^GSPC	^N225	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.80%	7.37%	-3.57%
Volatility (6M) Calculated over the trailing 6-month period	9.41%	20.33%	-10.92%
Volatility (1Y) Calculated over the trailing 1-year period	12.17%	25.34%	-13.17%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.94%	23.72%	-6.78%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.09%	21.53%	-3.44%

Frequently Asked Questions

Can I hold both ^GSPC and ^N225 in my portfolio?

^GSPC and ^N225 have a correlation of 0.14, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ^GSPC or ^N225?

^N225 has higher volatility (7.37%) compared to ^GSPC (3.80%). In terms of maximum drawdown, ^GSPC dropped -56.78% vs ^N225's -52.37%.

Which has better risk-adjusted returns?

^N225 currently has the higher Sharpe Ratio (2.40 vs 1.94), 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.