Assessing Rigetti Computing (RGTI) Valuation After New Cepheus Quantum System Launch And Earnings Optimism

Rigetti Computing (RGTI) is back in focus after launching its 108-qubit Cepheus-1-108Q system on its own cloud and Amazon Braket, and investors are watching upcoming earnings for signs of commercial traction.

See our latest analysis for Rigetti Computing.

The recent launch of Cepheus-1-108Q and growing earnings expectations sit against a mixed price picture, with a 32.51% 1 month share price return but a 22.29% year to date share price decline. At the same time, the 1 year total shareholder return of 77.89% and very large 3 year total shareholder return suggest volatility around a still sizeable long term payoff for early holders.

If this kind of quantum momentum has your attention, it could be worth broadening your watchlist with other quantum computing stocks using the 27 quantum computing stocks

With Rigetti trading at $18.34 against an average analyst target near $30, but carrying a history of sharp swings and ongoing losses, is the stock still underappreciated, or are markets already pricing in future growth?

Advertisement

Most Popular Narrative: 25.1% Undervalued

Rigetti's last close at $18.34 sits well below a narrative fair value of $24.50. This frames the current price against a more optimistic long term view.

The trajectory of quantum computing, particularly in the context of Rigetti Computing and the Quantum Benchmark Testing System (QBTS), could witness significant shifts. Trump's emphasis on "America First" policies might lead to increased funding for public-private partnerships and The Defense Advanced Research Projects Agency (DARPA)'s R&D works in critical technologies, including quantum computing, as part of national security and technological supremacy initiatives.

Read the complete narrative.

The narrative focuses on rapid revenue expansion, a meaningful swing in profit margins, and a future earnings multiple that assumes Rigetti earns a place alongside larger tech leaders.

Result: Fair Value of $24.50 (UNDERVALUED)

Have a read of the narrative in full and understand what's behind the forecasts.

However, this upbeat scenario could be challenged if quantum projects face slower adoption than expected, or if Rigetti's recurring losses and funding needs start to weigh more heavily on sentiment.

Find out about the key risks to this Rigetti Computing narrative.

Another View: Price Versus Book Value

That $24.50 fair value narrative suggests upside, but the current price also implies a lot of expectation already. Rigetti trades on a P/B of 11.2x, compared with 5.9x for the US Semiconductor industry and 7.9x for peers, which points to a richer valuation multiple than many competitors.

For you, the question is whether Rigetti’s quantum story justifies paying almost double the industry P/B, or if that premium leaves less room for error if the commercial ramp takes longer than hoped.

See what the numbers say about this price — find out in our valuation breakdown.

NasdaqCM:RGTI P/B Ratio as at May 2026
NasdaqCM:RGTI P/B Ratio as at May 2026

Next Steps

Curious whether the enthusiasm in this story outweighs the concerns, or the other way around? Act while the information is fresh and evaluate Rigetti’s mix of risks and potential rewards for yourself by checking the 1 key reward and 4 important warning signs

Looking for more investment ideas?

If you stop with just one stock, you risk missing other opportunities that better fit your goals, risk comfort, and income needs across the market.

This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.

New: AI Stock Screener & Alerts

Our new AI Stock Screener scans the market every day to uncover opportunities.

• Dividend Powerhouses (3%+ Yield)
• Undervalued Small Caps with Insider Buying
• High growth Tech and AI Companies

Or build your own from over 50 metrics.

Explore Now for Free

Have feedback on this article? Concerned about the content? Get in touch with us directly. Alternatively, email editorial-team@simplywallst.com

About NasdaqCM:RGTI

Rigetti Computing

Through its subsidiaries, builds and operates quantum computers and the superconducting quantum processors the United States, the United Kingdom, rest of Europe, Asia, and internationally.

Flawless balance sheet with low risk.

Advertisement

Weekly Picks

CE
Ceazar
GOAI logo
Ceazar on Eva Live ·

This small cap is building the AI workforce of the future

Fair Value:US$7.4351.3% undervalued
77 users have followed this narrative
0 users have commented on this narrative
16 users have liked this narrative
TR
tripledub
LULU logo
tripledub on lululemon athletica ·

Lululemon Got Boring Right About the Time It Got Cheap. That's Usually the Point

Fair Value:US$22042.2% undervalued
26 users have followed this narrative
6 users have commented on this narrative
27 users have liked this narrative
WO
woodworthfund
KHC logo
woodworthfund on Kraft Heinz ·

Kraft Heinz (KHC): Less Drama, More Ketchup

Fair Value:US$3532.0% undervalued
8 users have followed this narrative
0 users have commented on this narrative
2 users have liked this narrative
CA
Canderous
TAL logo
Canderous on PetroTal ·

Beyond 2026, Beyond a Double

Fair Value:CA$1.8166.9% undervalued
28 users have followed this narrative
0 users have commented on this narrative
5 users have liked this narrative

Updated Narratives

BR
CMPI logo
Bradders3 on CT Global Managed Portfolio Trust ·

Neat way of diversifying

Fair Value:UK£1.290% overvalued
1 users have followed this narrative
0 users have commented on this narrative
0 users have liked this narrative
BR
BrandonM84
LWLG logo
BrandonM84 on Lightwave Logic ·

Pre Commercialization optimism

Fair Value:US$74.182.7% undervalued
8 users have followed this narrative
0 users have commented on this narrative
0 users have liked this narrative
AS
AstrisCorporateAdvisory
3676 logo
AstrisCorporateAdvisory on DIGITAL HEARTS HOLDINGS ·

Strategic pivot in maximizing corporate value

Fair Value:JP¥928.1618.0% undervalued
1 users have followed this narrative
0 users have commented on this narrative
0 users have liked this narrative

Popular Narratives

GO
QS logo
GoldenSands on QuantumScape ·

QuantumScape: A Mispriced Deep‑Tech Inflection Point With Multi‑Billion‑Dollar Optionality

Fair Value:US$8590.4% undervalued
114 users have followed this narrative
2 users have commented on this narrative
31 users have liked this narrative
AN
AnalystConsensusTarget
NVDA logo
AnalystConsensusTarget on NVIDIA ·

NVDA: Expanding AI Demand Will Drive Major Data Center Investments Through 2026

Fair Value:US$268.6119.9% undervalued
1194 users have followed this narrative
7 users have commented on this narrative
34 users have liked this narrative
TR
tripledub
LULU logo
tripledub on lululemon athletica ·

Lululemon Got Boring Right About the Time It Got Cheap. That's Usually the Point

Fair Value:US$22042.2% undervalued
26 users have followed this narrative
6 users have commented on this narrative
27 users have liked this narrative