QSI vs. DOCU

Last updated Jun 4, 2026

QSI (Quantum-Si incorporated) and DOCU (DocuSign, Inc.) are both stocks. QSI operates in Biotechnology (Healthcare), while DOCU operates in Software - Application (Technology). Over the past 3 years, QSI returned -11.03%/yr vs -3.03%/yr for DOCU. At a 0.37 correlation, their price movements are largely independent.

Performance

QSI vs. DOCU - Performance Comparison

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

Returns By Period

In the year-to-date period, QSI achieves a 8.18% return, which is significantly higher than DOCU's -23.39% return.

QSI

• 1D: -4.03%
• 1M: 22.49%
• YTD: 8.18%
• 6M: -12.50%
• 1Y: -32.39%
• 3Y*: -11.03%
• 5Y*: —
• 10Y*: —

DOCU

• 1D: -4.90%
• 1M: 8.15%
• YTD: -23.39%
• 6M: -25.80%
• 1Y: -42.80%
• 3Y*: -3.03%
• 5Y*: -25.82%
• 10Y*: —

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

QSI vs. DOCU - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
QSI Quantum-Si incorporated	8.18%	-59.26%	34.33%	9.84%	-76.75%	-26.31%
DOCU DocuSign, Inc.	-23.39%	-23.95%	51.29%	7.27%	-63.61%	-37.34%

Correlation

The correlation between QSI and DOCU is 0.18, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.18
Correlation (3Y) Calculated over the trailing 3-year period	0.28
Correlation (All Time) Calculated using the full available price history since Jun 11, 2021	0.37

The correlation between QSI and DOCU shifts across timeframes, from 0.18 (1 year) to 0.37 (all time), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap QSI : $257.60M DOCU : $10.72B
EPS QSI : -$0.51 DOCU : $1.48
PS Ratio QSI : 129.62 DOCU : 3.40
PB Ratio QSI : 1.28 DOCU : 5.59
Total Revenue (TTM) QSI : $1.85M DOCU : $3.22B
Gross Profit (TTM) QSI : -$3.71M DOCU : $2.56B
EBITDA (TTM) QSI : -$104.05M DOCU : $562.16M

Return for Risk

QSI vs. DOCU — Risk / Return Rank

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

QSI

QSI Risk / Return Rank: 28
QSI Sharpe Ratio Rank: 26
QSI Sortino Ratio Rank: 31
QSI Omega Ratio Rank: 30
QSI Calmar Ratio Rank: 25
QSI Martin Ratio Rank: 28

DOCU

DOCU Risk / Return Rank: 10
DOCU Sharpe Ratio Rank: 7
DOCU Sortino Ratio Rank: 9
DOCU Omega Ratio Rank: 9
DOCU Calmar Ratio Rank: 12
DOCU Martin Ratio Rank: 13

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. DOCU - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Quantum-Si incorporated (QSI) and DocuSign, Inc. (DOCU). 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.

	QSI	DOCU	Difference
Sharpe ratio Return per unit of total volatility	-0.35	-0.89	+0.54
Sortino ratio Return per unit of downside risk	0.03	-1.14	+1.17
Omega ratio Gain probability vs. loss probability	1.00	0.85	+0.15
Calmar ratio Return relative to maximum drawdown	-0.45	-0.77	+0.33
Martin ratio Return relative to average drawdown	-0.67	-1.22	+0.55
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

QSI vs. DOCU - Sharpe Ratio Comparison

The current QSI Sharpe Ratio is -0.35, which is higher than the DOCU Sharpe Ratio of -0.89. The chart below compares the historical Sharpe Ratios of QSI and DOCU, 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

	QSI	DOCU	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.35	-0.89	+0.54
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	-0.45	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.29	0.06	-0.35

Drawdowns

QSI vs. DOCU - Drawdown Comparison

The maximum QSI drawdown since its inception was -95.33%, which is greater than DOCU's maximum drawdown of -87.57%. Use the drawdown chart below to compare losses from any high point for QSI and DOCU.

Drawdown Indicators

	QSI	DOCU	Difference
Max Drawdown Largest peak-to-trough decline	-95.33%	-87.57%	-7.76%
Max Drawdown (1Y) Largest decline over 1 year	-72.95%	-55.51%	-17.44%
Max Drawdown (3Y) Largest decline over 3 years	-83.73%	-60.98%	-22.75%
Max Drawdown (5Y) Largest decline over 5 years	—	-87.57%	—
Current Drawdown Current decline from peak	-91.22%	-83.10%	-8.12%
Average Drawdown Average peak-to-trough decline	-79.26%	-49.81%	-29.45%
Ulcer Index Depth and duration of drawdowns from previous peaks	48.36%	35.03%	+13.33%

Volatility

QSI vs. DOCU - Volatility Comparison

Quantum-Si incorporated (QSI) has a higher volatility of 22.20% compared to DocuSign, Inc. (DOCU) at 15.69%. This indicates that QSI's price experiences larger fluctuations and is considered to be riskier than DOCU based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	QSI	DOCU	Difference
Volatility (1M) Calculated over the trailing 1-month period	22.20%	15.69%	+6.51%
Volatility (6M) Calculated over the trailing 6-month period	58.29%	35.10%	+23.19%
Volatility (1Y) Calculated over the trailing 1-year period	92.68%	48.12%	+44.56%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	125.41%	58.47%	+66.94%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	125.41%	56.46%	+68.95%

Dividends

QSI vs. DOCU - Dividend Comparison

Neither QSI nor DOCU has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

Frequently Asked Questions

Can I hold both QSI and DOCU in my portfolio?

QSI and DOCU have a correlation of 0.18, 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 DOCU?

QSI has higher volatility (22.20%) compared to DOCU (15.69%). In terms of maximum drawdown, QSI dropped -95.33% vs DOCU's -87.57%.

Which has better risk-adjusted returns?

QSI currently has the higher Sharpe Ratio (-0.35 vs -0.89), 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.