QSI vs. VGT

Last updated Jun 24, 2026

QSI (Quantum-Si incorporated) is a stock, while VGT (Vanguard Information Technology ETF) is Technology Equities fund tracking the MSCI USA IMI Information Technology 25/50 Index. Over the past 5 years, QSI returned -39.66%/yr vs 19.51%/yr for VGT. At a 0.43 correlation, their price movements are largely independent.

Performance

QSI vs. VGT - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Quantum-Si incorporated (QSI) and Vanguard Information Technology ETF (VGT). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, QSI achieves a -20.00% return, which is significantly lower than VGT's 23.32% return.

QSI

• 1D: -4.47%
• 1M: -16.98%
• YTD: -20.00%
• 6M: -28.46%
• 1Y: -46.67%
• 3Y*: -17.20%
• 5Y*: -39.66%
• 10Y*: —

VGT

• 1D: -3.68%
• 1M: 0.28%
• YTD: 23.32%
• 6M: 21.50%
• 1Y: 46.82%
• 3Y*: 30.13%
• 5Y*: 19.51%
• 10Y*: 25.49%

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

QSI vs. VGT - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
QSI Quantum-Si incorporated	-20.00%	-59.26%	34.33%	9.84%	-76.75%	-25.40%
VGT Vanguard Information Technology ETF	23.32%	21.77%	29.30%	52.66%	-29.70%	22.30%

Correlation

The correlation between QSI and VGT is 0.51, 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	0.51
Correlation (3Y) Calculated over the trailing 3-year period	0.42
Correlation (5Y) Calculated over the trailing 5-year period	0.44
Correlation (All Time) Calculated using the full available price history since Jun 10, 2021	0.43

The correlation between QSI and VGT has been stable across timeframes, ranging from 0.42 to 0.51 - a consistent structural relationship.

Return for Risk

QSI vs. VGT — Risk / Return Rank

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

QSI

QSI Risk / Return Rank: 22
QSI Sharpe Ratio Rank: 20
QSI Sortino Ratio Rank: 24
QSI Omega Ratio Rank: 25
QSI Calmar Ratio Rank: 18
QSI Martin Ratio Rank: 24

VGT

VGT Risk / Return Rank: 58
VGT Sharpe Ratio Rank: 65
VGT Sortino Ratio Rank: 56
VGT Omega Ratio Rank: 58
VGT Calmar Ratio Rank: 60
VGT Martin Ratio Rank: 52

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.

QSI vs. VGT - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Quantum-Si incorporated (QSI) and Vanguard Information Technology ETF (VGT). 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.

	QSI	VGT	Difference
Sharpe ratio: Return per unit of total volatility	-0.50	2.07	-2.57
Sortino ratio: Return per unit of downside risk	-0.35	2.61	-2.96
Omega ratio: Gain probability vs. loss probability	0.96	1.35	-0.38
Calmar ratio: Return relative to maximum drawdown	-0.64	2.87	-3.51
Martin ratio: Return relative to average drawdown	-0.93	8.76	-9.69

QSI vs. VGT - Sharpe Ratio Comparison

The current QSI Sharpe Ratio is -0.50, which is lower than the VGT Sharpe Ratio of 2.07. The chart below compares the historical Sharpe Ratios of QSI and VGT, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

QSI vs. VGT - Drawdown Comparison

The maximum QSI drawdown since its inception was -95.33%, which is greater than VGT's maximum drawdown of -54.63%. Use the drawdown chart below to compare losses from any high point for QSI and VGT.

Drawdown Indicators

	QSI	VGT	Difference
Max Drawdown Largest peak-to-trough decline	-95.33%	-54.63%	-40.70%
Max Drawdown (1Y) Largest decline over 1 year	-72.95%	-16.40%	-56.55%
Max Drawdown (3Y) Largest decline over 3 years	-83.73%	-27.23%	-56.50%
Max Drawdown (5Y) Largest decline over 5 years	-95.33%	-35.07%	-60.26%
Max Drawdown (10Y) Largest decline over 10 years	—	-35.07%	—
Current Drawdown Current decline from peak	-93.51%	-7.71%	-85.80%
Average Drawdown Average peak-to-trough decline	-79.33%	-7.95%	-71.38%
Ulcer Index Depth and duration of drawdowns from previous peaks	50.38%	5.36%	+45.02%

Volatility

QSI vs. VGT - Volatility Comparison

Quantum-Si incorporated (QSI) has a higher volatility of 29.41% compared to Vanguard Information Technology ETF (VGT) at 11.39%. This indicates that QSI's price experiences larger fluctuations and is considered to be riskier than VGT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	QSI	VGT	Difference
Volatility (1M) Calculated over the trailing 1-month period	29.41%	11.39%	+18.02%
Volatility (6M) Calculated over the trailing 6-month period	62.04%	18.58%	+43.46%
Volatility (1Y) Calculated over the trailing 1-year period	94.15%	22.72%	+71.43%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	125.29%	25.55%	+99.74%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	125.20%	24.77%	+100.43%

Dividends

QSI vs. VGT - Dividend Comparison

QSI has not paid dividends to shareholders, while VGT's dividend yield for the trailing twelve months is around 0.33%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
QSI Quantum-Si incorporated	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
VGT Vanguard Information Technology ETF	0.33%	0.40%	0.60%	0.65%	0.91%	0.64%	0.82%	1.11%	1.29%	0.99%	1.31%	1.28%

Frequently Asked Questions

Can I hold both QSI and VGT in my portfolio?

QSI and VGT have a correlation of 0.51, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, QSI or VGT?

QSI has higher volatility (29.41%) compared to VGT (11.39%). In terms of maximum drawdown, QSI dropped -95.33% vs VGT's -54.63%.

Which has better risk-adjusted returns?

VGT currently has the higher Sharpe Ratio (2.07 vs -0.50), 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.