AMBA vs. SPY

Last updated Jun 4, 2026

AMBA (Ambarella, Inc.) is a stock, while SPY (State Street SPDR S&P 500 ETF) is S&P 500 fund tracking the S&P 500 Index. Over the past 10 years, AMBA returned 4.73%/yr vs 15.49%/yr for SPY. A 0.51 correlation means they provide meaningful diversification when combined.

Performance

AMBA vs. SPY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Ambarella, Inc. (AMBA) and State Street SPDR S&P 500 ETF (SPY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, AMBA achieves a 4.18% return, which is significantly lower than SPY's 10.91% return. Over the past 10 years, AMBA has underperformed SPY with an annualized return of 4.73%, while SPY has yielded a comparatively higher 15.49% annualized return.

AMBA

• 1D: -5.84%
• 1M: 4.36%
• YTD: 4.18%
• 6M: 5.26%
• 1Y: 37.00%
• 3Y*: -1.21%
• 5Y*: -5.58%
• 10Y*: 4.73%

SPY

• 1D: -0.70%
• 1M: 5.05%
• YTD: 10.91%
• 6M: 10.91%
• 1Y: 27.98%
• 3Y*: 22.35%
• 5Y*: 13.83%
• 10Y*: 15.49%

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

AMBA vs. SPY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
AMBA Ambarella, Inc.	4.18%	-2.61%	18.68%	-25.47%	-59.47%	120.96%	51.62%	73.13%	-40.46%	8.54%
SPY State Street SPDR S&P 500 ETF	10.91%	17.72%	24.89%	26.18%	-18.18%	28.73%	18.33%	31.22%	-4.57%	21.71%

Correlation

The correlation between AMBA and SPY is 0.57, 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	0.57
Correlation (3Y) Calculated over the trailing 3-year period	0.61
Correlation (5Y) Calculated over the trailing 5-year period	0.66
Correlation (10Y) Calculated over the trailing 10-year period	0.57
Correlation (All Time) Calculated using the full available price history since Oct 11, 2012	0.51

The correlation between AMBA and SPY shifts across timeframes, from 0.51 (all time) to 0.66 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

AMBA vs. SPY — Risk / Return Rank

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

AMBA

AMBA Risk / Return Rank: 58
AMBA Sharpe Ratio Rank: 60
AMBA Sortino Ratio Rank: 58
AMBA Omega Ratio Rank: 60
AMBA Calmar Ratio Rank: 57
AMBA Martin Ratio Rank: 57

SPY

SPY Risk / Return Rank: 70
SPY Sharpe Ratio Rank: 71
SPY Sortino Ratio Rank: 69
SPY Omega Ratio Rank: 70
SPY Calmar Ratio Rank: 62
SPY Martin Ratio Rank: 75

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.

AMBA vs. SPY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Ambarella, Inc. (AMBA) 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.

	AMBA	SPY	Difference
Sharpe ratio: Return per unit of total volatility	0.57	2.38	-1.81
Sortino ratio: Return per unit of downside risk	1.17	3.24	-2.07
Omega ratio: Gain probability vs. loss probability	1.17	1.43	-0.26
Calmar ratio: Return relative to maximum drawdown	0.76	3.16	-2.41
Martin ratio: Return relative to average drawdown	1.60	14.72	-13.11
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

AMBA vs. SPY - Sharpe Ratio Comparison

The current AMBA Sharpe Ratio is 0.57, which is lower than the SPY Sharpe Ratio of 2.38. The chart below compares the historical Sharpe Ratios of AMBA and SPY, 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

	AMBA	SPY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.57	2.38	-1.81
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.09	0.82	-0.90
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.08	0.87	-0.78
Sharpe Ratio (All Time) Calculated using the full available price history	0.35	0.59	-0.23

Drawdowns

AMBA vs. SPY - Drawdown Comparison

The maximum AMBA drawdown since its inception was -81.65%, which is greater than SPY's maximum drawdown of -55.19%. Use the drawdown chart below to compare losses from any high point for AMBA and SPY.

Drawdown Indicators

	AMBA	SPY	Difference
Max Drawdown Largest peak-to-trough decline	-81.65%	-55.19%	-26.46%
Max Drawdown (1Y) Largest decline over 1 year	-49.06%	-8.88%	-40.18%
Max Drawdown (3Y) Largest decline over 3 years	-54.85%	-18.76%	-36.09%
Max Drawdown (5Y) Largest decline over 5 years	-81.65%	-24.50%	-57.15%
Max Drawdown (10Y) Largest decline over 10 years	-81.65%	-33.72%	-47.93%
Current Drawdown Current decline from peak	-65.97%	-0.70%	-65.27%
Average Drawdown Average peak-to-trough decline	-48.36%	-9.05%	-39.31%
Ulcer Index Depth and duration of drawdowns from previous peaks	23.14%	1.91%	+21.23%

Volatility

AMBA vs. SPY - Volatility Comparison

Ambarella, Inc. (AMBA) has a higher volatility of 30.62% compared to State Street SPDR S&P 500 ETF (SPY) at 2.84%. This indicates that AMBA's price experiences larger fluctuations and is considered to be riskier than SPY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	AMBA	SPY	Difference
Volatility (1M) Calculated over the trailing 1-month period	30.62%	2.84%	+27.78%
Volatility (6M) Calculated over the trailing 6-month period	46.31%	8.90%	+37.41%
Volatility (1Y) Calculated over the trailing 1-year period	65.53%	11.83%	+53.70%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	62.82%	17.05%	+45.77%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	56.62%	17.94%	+38.68%

Dividends

AMBA vs. SPY - Dividend Comparison

AMBA has not paid dividends to shareholders, while SPY's dividend yield for the trailing twelve months is around 0.98%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AMBA Ambarella, Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
SPY State Street SPDR S&P 500 ETF	0.98%	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 AMBA and SPY in my portfolio?

AMBA and SPY have a correlation of 0.57, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, AMBA or SPY?

AMBA has higher volatility (30.62%) compared to SPY (2.84%). In terms of maximum drawdown, AMBA dropped -81.65% vs SPY's -55.19%.

Which has better risk-adjusted returns?

SPY currently has the higher Sharpe Ratio (2.38 vs 0.57), 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.