PLTR vs. IONQ

Last updated Aug 1, 2026

PLTR (Palantir Technologies Inc.) and IONQ (IonQ, Inc.) are both stocks. Both are in the Technology sector — PLTR in Software - Infrastructure, IONQ in Computer Hardware. Over the past 5 years, PLTR returned 41.48%/yr vs 29.72%/yr for IONQ. Their 0.51 correlation means they have sometimes moved together and sometimes differently.

Performance

PLTR vs. IONQ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Palantir Technologies Inc. (PLTR) and IonQ, Inc. (IONQ). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PLTR achieves a -30.77% return, which is significantly lower than IONQ's -18.79% return.

PLTR

• 1D: 0.65%
• 1M: -4.83%
• 6M: -16.05%
• YTD: -30.77%
• 1Y: -20.23%
• 3Y*: 83.27%
• 5Y*: 41.48%
• 10Y*: —
• ALL TIME*: 53.79%

IONQ

• 1D: 1.87%
• 1M: -25.81%
• 6M: -8.85%
• YTD: -18.79%
• 1Y: -4.41%
• 3Y*: 22.42%
• 5Y*: 29.72%
• 10Y*: —
• ALL TIME*: 23.75%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
IONQ IonQ, Inc.	$680.39M	$717.71M	$1.44B
PLTR Palantir Technologies Inc.	$3.87B	$4.57B	$5.46B

PLTR vs. IONQ - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
PLTR Palantir Technologies Inc.	-30.77%	135.03%	340.48%	167.45%	-64.74%	-22.68%
IONQ IonQ, Inc.	-18.79%	7.42%	237.13%	259.13%	-79.34%	50.11%

Correlation

The correlation between PLTR and IONQ is 0.36, which is low. Their historical price movements had little consistent relationship.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.36
Correlation (3Y) Balances recent behavior with more history.	0.48
Correlation (5Y) Shows whether the relationship held over a longer period.	0.53
Correlation (All Time) Calculated using the full available price history since Jan 4, 2021	0.51

The correlation between PLTR and IONQ shifts across timeframes, from 0.36 (1 year) to 0.53 (5 years), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap PLTR : $282.55B IONQ : $13.60B
EPS PLTR : $0.89 IONQ : $0.80
PE Ratio PLTR : 138.56 IONQ : 45.36
PS Ratio PLTR : 60.51 IONQ : 67.17
PB Ratio PLTR : 37.44 IONQ : 2.72
Total Revenue (TTM) PLTR : $5.22B IONQ : $187.12M
Gross Profit (TTM) PLTR : $4.39B IONQ : $71.25M
EBITDA (TTM) PLTR : $2.01B IONQ : $405.86M

Return for Risk

PLTR vs. IONQ — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

PLTR

PLTR Risk / Return Rank: 26
PLTR Sharpe Ratio Rank: 25
PLTR Sortino Ratio Rank: 26
PLTR Omega Ratio Rank: 27
PLTR Calmar Ratio Rank: 28
PLTR Martin Ratio Rank: 26

IONQ

IONQ Risk / Return Rank: 43
IONQ Sharpe Ratio Rank: 41
IONQ Sortino Ratio Rank: 48
IONQ Omega Ratio Rank: 46
IONQ Calmar Ratio Rank: 40
IONQ Martin Ratio Rank: 40

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

PLTR vs. IONQ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Palantir Technologies Inc. (PLTR) and IonQ, Inc. (IONQ). 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.

	PLTR	IONQ	Difference
Sharpe ratio: Return per unit of total volatility	-0.43	-0.09	-0.34
Sortino ratio: Return per unit of downside risk	-0.30	0.58	-0.88
Omega ratio: Gain probability vs. loss probability	0.96	1.06	-0.10
Calmar ratio: Return relative to maximum drawdown	-0.46	-0.13	-0.34
Martin ratio: Return relative to average drawdown	-0.87	-0.21	-0.66

PLTR vs. IONQ - Sharpe Ratio Comparison

The current PLTR Sharpe Ratio is -0.43, which is lower than the IONQ Sharpe Ratio of -0.09. The chart below compares the historical Sharpe Ratios of PLTR and IONQ, 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

PLTR vs. IONQ - Drawdown Comparison

The maximum PLTR drawdown since its inception was -84.62%, smaller than the maximum IONQ drawdown of -90.00%. Use the drawdown chart below to compare losses from any high point for PLTR and IONQ.

Drawdown Indicators

	PLTR	IONQ	Difference
Max Drawdown Largest peak-to-trough decline	-84.62%	-90.00%	+5.38%
Max Drawdown (1Y) Largest decline over 1 year	-48.22%	-67.61%	+19.39%
Max Drawdown (3Y) Largest decline over 3 years	-48.22%	-67.61%	+19.39%
Max Drawdown (5Y) Largest decline over 5 years	-79.14%	-90.00%	+10.86%
Current Drawdown Current decline from peak	-40.60%	-55.61%	+15.01%
Average Drawdown Average peak-to-trough decline	-40.24%	-50.76%	+10.52%
Ulcer Index Depth and duration of drawdowns from previous peaks	25.51%	40.77%	-15.26%

Volatility

PLTR vs. IONQ - Volatility Comparison

The current volatility for Palantir Technologies Inc. (PLTR) is 13.63%, while IonQ, Inc. (IONQ) has a volatility of 23.28%. This indicates that PLTR experiences smaller price fluctuations and is considered to be less risky than IONQ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PLTR	IONQ	Difference
Volatility (1M) Calculated over the trailing 1-month period	13.63%	23.28%	-9.65%
Volatility (6M) Calculated over the trailing 6-month period	40.52%	69.41%	-28.89%
Volatility (1Y) Calculated over the trailing 1-year period	52.38%	94.92%	-42.54%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	65.74%	101.41%	-35.67%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	69.46%	97.23%	-27.77%

Dividends

PLTR vs. IONQ - Dividend Comparison

Neither PLTR nor IONQ has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

Frequently Asked Questions

Can I hold both PLTR and IONQ in my portfolio?

PLTR and IONQ have a correlation of 0.36, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PLTR or IONQ?

IONQ has higher volatility (23.28%) compared to PLTR (13.63%). In terms of maximum drawdown, PLTR dropped -84.62% vs IONQ's -90.00%.

Which has better risk-adjusted returns?

IONQ currently has the higher Sharpe Ratio (-0.09 vs -0.43), 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.