IONQ vs. PLTR

Last updated Aug 4, 2026

IONQ (IonQ, Inc.) and PLTR (Palantir Technologies Inc.) are both stocks. Both are in the Technology sector — IONQ in Computer Hardware, PLTR in Software - Infrastructure. Over the past 5 years, IONQ returned 31.29%/yr vs 41.31%/yr for PLTR. Their 0.51 correlation means they have sometimes moved together and sometimes differently.

Performance

IONQ vs. PLTR - Performance Comparison

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

Returns By Period

In the year-to-date period, IONQ achieves a -13.42% return, which is significantly higher than PLTR's -29.31% return.

IONQ

• 1D: 6.61%
• 1M: -20.91%
• 6M: 0.75%
• YTD: -13.42%
• 1Y: 1.92%
• 3Y*: 30.73%
• 5Y*: 31.29%
• 10Y*: —
• ALL TIME*: 25.14%

PLTR

• 1D: 2.10%
• 1M: -2.82%
• 6M: -14.96%
• YTD: -29.31%
• 1Y: -18.55%
• 3Y*: 90.41%
• 5Y*: 41.31%
• 10Y*: —
• ALL TIME*: 54.25%

*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.	$713.90M	$720.75M	$1.43B
PLTR Palantir Technologies Inc.	$4.24B	$4.57B	$5.31B

IONQ vs. PLTR - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
IONQ IonQ, Inc.	-13.42%	7.42%	237.13%	259.13%	-79.34%	50.11%
PLTR Palantir Technologies Inc.	-29.31%	135.03%	340.48%	167.45%	-64.74%	-22.68%

Correlation

The correlation between IONQ and PLTR 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.	0.47
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 IONQ and PLTR shifts across timeframes, from 0.36 (1 year) to 0.53 (5 years), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap IONQ : $14.50B PLTR : $288.50B
EPS IONQ : $0.80 PLTR : $1.17
PE Ratio IONQ : 48.36 PLTR : 107.01
PS Ratio IONQ : 71.61 PLTR : 52.44
PB Ratio IONQ : 2.90 PLTR : 33.04
Total Revenue (TTM) IONQ : $187.12M PLTR : $6.16B
Gross Profit (TTM) IONQ : $71.25M PLTR : $5.22B
EBITDA (TTM) IONQ : $405.86M PLTR : $3.08B

Return for Risk

IONQ vs. PLTR — Risk / Return Rank

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

IONQ

IONQ Risk / Return Rank: 47
IONQ Sharpe Ratio Rank: 45
IONQ Sortino Ratio Rank: 53
IONQ Omega Ratio Rank: 49
IONQ Calmar Ratio Rank: 45
IONQ Martin Ratio Rank: 44

PLTR

PLTR Risk / Return Rank: 29
PLTR Sharpe Ratio Rank: 28
PLTR Sortino Ratio Rank: 28
PLTR Omega Ratio Rank: 28
PLTR Calmar Ratio Rank: 30
PLTR Martin Ratio Rank: 30

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.

IONQ vs. PLTR - Risk-Adjusted Trends Comparison

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

	IONQ	PLTR	Difference
Sharpe ratio: Return per unit of total volatility	0.02	-0.36	+0.38
Sortino ratio: Return per unit of downside risk	0.77	-0.18	+0.95
Omega ratio: Gain probability vs. loss probability	1.08	0.98	+0.10
Calmar ratio: Return relative to maximum drawdown	0.03	-0.39	+0.41
Martin ratio: Return relative to average drawdown	0.05	-0.72	+0.77

IONQ vs. PLTR - Sharpe Ratio Comparison

The current IONQ Sharpe Ratio is 0.02, which is higher than the PLTR Sharpe Ratio of -0.36. The chart below compares the historical Sharpe Ratios of IONQ and PLTR, 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

IONQ vs. PLTR - Drawdown Comparison

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

Drawdown Indicators

	IONQ	PLTR	Difference
Max Drawdown Largest peak-to-trough decline	-90.00%	-84.62%	-5.38%
Max Drawdown (1Y) Largest decline over 1 year	-67.61%	-48.22%	-19.39%
Max Drawdown (3Y) Largest decline over 3 years	-67.61%	-48.22%	-19.39%
Max Drawdown (5Y) Largest decline over 5 years	-90.00%	-79.14%	-10.86%
Current Drawdown Current decline from peak	-52.67%	-39.35%	-13.32%
Average Drawdown Average peak-to-trough decline	-50.76%	-40.24%	-10.52%
Ulcer Index Depth and duration of drawdowns from previous peaks	40.90%	25.63%	+15.27%

Volatility

IONQ vs. PLTR - Volatility Comparison

IonQ, Inc. (IONQ) has a higher volatility of 24.39% compared to Palantir Technologies Inc. (PLTR) at 13.49%. This indicates that IONQ's price experiences larger fluctuations and is considered to be riskier than PLTR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IONQ	PLTR	Difference
Volatility (1M) Calculated over the trailing 1-month period	24.39%	13.49%	+10.90%
Volatility (6M) Calculated over the trailing 6-month period	69.27%	40.44%	+28.83%
Volatility (1Y) Calculated over the trailing 1-year period	95.22%	52.47%	+42.75%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	101.49%	65.77%	+35.72%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	97.23%	69.44%	+27.79%

Dividends

IONQ vs. PLTR - Dividend Comparison

Neither IONQ nor PLTR has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

Frequently Asked Questions

Can I hold both IONQ and PLTR in my portfolio?

IONQ and PLTR 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, IONQ or PLTR?

IONQ has higher volatility (24.39%) compared to PLTR (13.49%). In terms of maximum drawdown, IONQ dropped -90.00% vs PLTR's -84.62%.

Which has better risk-adjusted returns?

IONQ currently has the higher Sharpe Ratio (0.02 vs -0.36), 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.