RLYBRLYBHealthcare · Biotechnology

RLYB Stock Forecast: Rallybio Corp. Price Predictions for 2026-2027

Last close, 21 Aug 2026
$17
+1.39% on the day

Ticker Nerd's systematic factor model, run across ~4,600 US stocks, ranks it 59 of 100 as at 21 Aug 2026 — in the upper half.

Market cap
$89.4M
Ticker Nerd rank
59 / 100
Median analyst target
Analysts covering
1
Total return, dividends reinvested
1W
−0.9%
1M
−0.5%
YTD
+206.7%
1Y
+254.2%
From 52W high
−1.0%
From 52W low
+321.6%
$4
$17
52-week range, adjusted closes · the dot is the last close
Ticker Nerd rank

RLYB stock analysis: one number for the whole business

Consensus tells you what everyone already believes. The model scores Rallybio Corp. on its factor families — the same systematic rank behind the Ticker Nerd portfolio.

Where the model ranks itAs at 21 Aug 2026
59 / 100

Percentile across ~4,600 US stocks on Ticker Nerd’s systematic factor model. Higher is better. How the model is built and tested

Momentum
100
Quality
89
Size
77
Growth
68
Volatility
64
Issuance
54
Revisions
25
Accruals
24
Value
16

Momentum (100): The shares have been drifting up relative to others.

Value (16): The shares cost a lot relative to the profits and assets behind them.

Built and run by Aslam Ghouse, an ex-Goldman Sachs quant trader with fourteen years in markets.

Wall Street

RLYB stock forecast 2026-2027: analyst price targets & predictions

The bullish and bearish analyst opinions on RLYB, reported as data — targets and ratings, the market's view beside the model's.

Share price and the analyst range, 12 monthsAdjusted close, US dollars
$5$10$15Oct 25Jan 26Apr 26Jul 26RLYB

Price targets and ratings are third-party analyst estimates, reported here as data. They are not Ticker Nerd forecasts, and they are frequently wrong.

What Wall Street says1 analysts
0 Buy1 Hold0 Sell
Recent analyst actionsNewest first
DateFirmActionRatingTarget
15 Apr 2025Jones TradingDowngradeHold
9 Apr 2025HC Wainwright & Co.DowngradeNeutral
17 Mar 2025HC Wainwright & Co.ReiteratesBuy
12 Feb 2025HC Wainwright & Co.ReiteratesBuy
13 Jan 2025HC Wainwright & Co.ReiteratesBuy
3 Dec 2024HC Wainwright & Co.ReiteratesBuy
22 Nov 2024HC Wainwright & Co.ReiteratesBuy
8 Nov 2024HC Wainwright & Co.MaintainsBuy
30 Oct 2024HC Wainwright & Co.ReiteratesBuy
1 Oct 2024HC Wainwright & Co.ReiteratesBuy
3 Sept 2024HC Wainwright & Co.ReiteratesBuy
26 Aug 2024Evercore ISI GroupMaintainsOutperform
12 Aug 2024HC Wainwright & Co.MaintainsBuy
15 May 2024JP MorganDowngradeNeutral
10 May 2024HC Wainwright & Co.ReiteratesBuy
19 Apr 2024JMP SecuritiesReiteratesMarket Outperform
18 Apr 2024JMP SecuritiesReiteratesMarket Outperform
11 Apr 2024WedbushMaintainsOutperform
13 Mar 2024HC Wainwright & Co.MaintainsBuy
13 Mar 2024JMP SecuritiesReiteratesMarket Outperform

Price targets and ratings are third-party analyst estimates, reported here as data. They are not Ticker Nerd forecasts, and they are frequently wrong.

Market Radar

This page is one stock. Monday covers all of them.

Computed off the Friday close and sent before the US open.

Market Radar reports the week’s largest rank changes across roughly 4,600 US stocks, the factor behind each one, and where the market went. RLYB appears on the weeks it earns a place.

Free, every Monday. Unsubscribe any time.

Estimates

RLYB analyst estimate revisions

Not the forecast itself — the direction analysts are revising it. Revision direction is one of the model's factor families.

Which way the estimates are movingNext fiscal year
Analysts raising
0
Analysts cutting
0
Fundamentals

Rallybio Corp. (RLYB) financial data

A margin means little on its own. Each bar marks where the figure sits across the whole US universe we score.

Valuation
Trailing P/E
2.1×

Cheaper than 70% of US stocks

Price / sales
138.4×

Cheaper than 4% of US stocks

Price / book
1.8×

Cheaper than 50% of US stocks

EV / EBITDA
0.2×

Cheaper than 60% of US stocks

Growth & margins
Revenue growth (YoY)
−100.0%

Higher than 1% of US stocks

Earnings growth (YoY)
−100.0%

Higher than 1% of US stocks

Gross margin
Operating margin
−3935.4%

Higher than 3% of US stocks

Net margin
7051.2%

Higher than 99% of US stocks

Returns & dividend
Return on equity
64.9%

Higher than 94% of US stocks

Return on assets
−21.3%

Higher than 19% of US stocks

Dividend yield

Bars mark the percentile across the ~4,600 US stocks Ticker Nerd covers, among those reporting the figure.

Peers

RLYB vs competitors

The nearest names by industry and size, scored by the same model — like for like.

Its peer group, ranked by the same modelBiotechnology
CompanyMarket capTKN rank
RLYBRallybio Corp.$89.4M
59
ACETAdicet Bio, Inc.$88.0M
43
KLRSKalaris Therapeutics, Inc.$87.0M
22
ICCCImmuCell Corp.$91.0M
93
ALDXAldeyra Therapeutics, Inc.$91.7M
57
GANXGain Therapeutics, Inc.$84.7M
29
ELOXEloxx Pharmaceuticals, Inc.$84.7M
15

Look up any of the roughly 4,600 stocks we score.

The rank is the raw material. Whether the rules would actually own Rallybio Corp. — and when they’d sell — is the membership. See the Ticker Nerd 20 →

FAQ

Frequently asked questions about RLYB stock

Is RLYB stock a buy right now?

Of the 1 analysts covering Rallybio Corp., 0 rate it a Buy, 1 a Hold and 0 a Sell. Ticker Nerd's systematic factor model ranks Rallybio Corp. 59 out of 100 across roughly 4,600 US stocks as at 21 Aug 2026. None of this is personal advice — it does not consider your circumstances.

How does Ticker Nerd's model rank RLYB?

As at 21 Aug 2026, Rallybio Corp. ranks 59 out of 100 on Ticker Nerd's systematic factor model — a percentile across roughly 4,600 US stocks, built from its factor families. Its strongest factor family is Momentum (100 of 100).

What is the RLYB stock forecast for 2030?

No analyst covering Rallybio Corp. publishes a 2030 price target — Wall Street targets run 12 to 18 months out. Sites quoting a 2030 price for RLYB are extrapolating price history, which says nothing about the business.

How has RLYB stock performed over the past year?

Rallybio Corp. returned +254.2% over the 12 months to 21 Aug 2026, with dividends reinvested. Past performance does not indicate future returns.

What does Rallybio Corp. do?

Rallybio Corporation is a clinical-stage biotechnology company focused on developing and commercializing therapies for patients with severe and rare diseases. The company concentrates on areas of maternal-fetal health, complement dysregulation, hematology, and metabolic disorders, targeting conditions with significant unmet medical need.

Company

About Rallybio Corp.

Rallybio Corporation is a clinical-stage biotechnology company focused on developing and commercializing therapies for patients with severe and rare diseases. The company concentrates on areas of maternal-fetal health, complement dysregulation, hematology, and metabolic disorders, targeting conditions with significant unmet medical need. Its pipeline includes RLYB212, an anti-HPA-1a antibody being developed to prevent fetal and neonatal alloimmune thrombocytopenia, a rare disorder that can lead to dangerous bleeding in fetuses and newborns. Another key program is RLYB116, a differentiated inhibitor of complement component 5 (C5) intended for treatment of diseases driven by complement-mediated inflammation and tissue damage. Rallybio also advances preclinical assets such as RLYB332, a long-acting matriptase-2 antibody for diseases associated with iron overload. Operating today as a specialized player in the orphan drug and rare disease segment of the biopharmaceutical industry, Rallybio serves the healthcare and biotechnology markets from its headquarters in New Haven, Connecticut, where it was founded in 2018.

CEO Dr. Stephen Uden M.D., MBBS · 7 employees · United States · https://www.rallybio.com