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Rallybio Corporation (RLYB)

Healthcare | Biotechnology | New Haven, United States | NasdaqCM
16.81 USD +0.05 (0.298%) ⇧ (Aug. 28, 2026, 4 p.m. EDT)
After hours: 16.81

Short-term:★★★★⯪Long-term:★☆☆☆☆Dividends:☆☆☆☆☆
Hot Take | Aug. 22, 2026, 5:57 a.m. EDT

The immediate outlook is driven entirely by the announced merger with Avenzo Therapeutics, which has injected significant volatility and potential upside into the near term. The stock recently hit a two-year high following the deal announcement, and the presence of a substantial termination fee ($50M) suggests a high floor for shareholders if the deal fails, creating a compelling short-term catalyst for a momentum play. However, looking beyond the merger hype reveals a business in severe distress; the company has suffered four consecutive years of double-digit declines, with the share price collapsing nearly 95% over the last four years. This multi-year structural deterioration indicates that the market views the core biotechnology operations as failing to generate sustainable value without the merger. Furthermore, the company is burning cash rapidly, reporting negative free cash flow and negative operating margins, while offering no dividend support. While the merger provides a temporary lifeline and a speculative entry point, the underlying fundamentals are objectively broken, making this a high-risk situation where the long-term thesis is currently non-existent.

Model Selection — Backtest MAE (log-scale, lower is better)
ModelMAE
AutoTheta ✓0.030356
MSTL0.034268
AutoETS0.038074
AutoARIMA0.038075

Forecast horizon: 45 days | Selected: AutoTheta

Forecast Reliability
Score 30%
H-stat 11.87
Ljung-Box p 0.000
Jarque-Bera p 0.173
Excess Kurtosis -1.31
Attribute Value
Sector Healthcare
Revenue per Share 0.114
Market Cap 89,269,488
Trailing P/E 2.10
Forward P/E -3.11
Beta -0.86
Profit Margins 7051.24%
Website https://www.rallybio.com

Info Dump

Attribute Value
52 Week Change 2.7544804
Address1 234 Church Street
All Time High 206.24
All Time Low 1.76
Ask 21.6
Ask Size 2
Audit Risk 9
Average Daily Volume10 Day 10,400
Average Daily Volume3 Month 44,287
Average Volume 44,287
Average Volume10Days 10,400
Beta -0.857
Bid 11.89
Bid Size 2
Board Risk 8
Book Value 9.504
City New Haven
Compensation As Of Epoch Date 1,767,139,200
Compensation Risk 8
Country United States
Crypto Tradeable 0
Currency USD
Current Price 16.81
Current Ratio 27.265
Custom Price Alert Confidence HIGH
Date Short Interest 1,786,665,600
Day High 17.12
Day Low 16.51
Display Name Rallybio
Earnings Timestamp End 1,754,569,800
Earnings Timestamp Start 1,754,569,800
Ebitda -25,380,000
Ebitda Margins 0.0
Enterprise To Ebitda 0.141
Enterprise To Revenue -5.541
Enterprise Value -3,579,511
Eps Current Year -5.52
Eps Forward -5.4
Eps Trailing Twelve Months 7.99
Esg Populated 0
Exchange NCM
Exchange Data Delayed By 0
Exchange Timezone Name America/New_York
Exchange Timezone Short Name EDT
Fifty Day Average 16.2565
Fifty Day Average Change 0.5534992
Fifty Day Average Change Percent 0.03404787
Fifty Two Week Change Percent 275.44803
Fifty Two Week High 17.574
Fifty Two Week High Change -0.76399994
Fifty Two Week High Change Percent -0.04347331
Fifty Two Week Low 3.67
Fifty Two Week Low Change 13.139999
Fifty Two Week Low Change Percent 3.5803812
Fifty Two Week Range 3.67 - 17.574
Financial Currency USD
First Trade Date Milliseconds 1,627,565,400,000
Float Shares 2,177,517
Forward Eps -5.4
Forward P E -3.1129627
Free Cashflow -14,290,375
Full Exchange Name NasdaqCM
Full Time Employees 7
Fullday Change 0.0499992
Fullday Change Percent 0.298325
Fullday Price 16.81
Gmt Off Set Milliseconds -14,400,000
Governance Epoch Date 1,785,542,400
Gross Margins 0.0
Gross Profits -16,542,000
Has Pre Post Market Data 1
Held Percent Insiders 0.042069998
Held Percent Institutions 2.29872
Implied Shares Outstanding 5,310,499
Industry Biotechnology
Industry Disp Biotechnology
Industry Key biotechnology
Ipo Expected Date 2,021-07-29
Is Earnings Date Estimate 1
Language en-US
Last Fiscal Year End 1,767,139,200
Last Split Date 1,770,336,000
Last Split Factor 1:8
Long Business Summary Rallybio Corporation, a clinical-stage biotechnology company, engages in the development and commercialization of life-transforming therapies for patients suffering from severe and rare diseases. Its lead product candidate is the RLYB116, an inhibitor of complement component 5 (C5) to treat several diseases of complement dysregulation which has completed phase 1 trial; and RLYB332, a preclinical antibody, for the treatment of severe anemia with ineffective erythropoiesis and iron overload. The company has a strategic alliance with AbCellera to discover, develop, and commercialize novel antibody-based therapeutics for rare diseases, as well as collaboration agreement with Johnson & Johnson to provide therapeutic solutions for pregnant individuals at risk of fetal and neonatal alloimmune thrombocytopenia. Rallybio Corporation was founded in 2018 and is headquartered in New Haven, Connecticut.
Long Name Rallybio Corporation
Market us_market
Market Cap 89,269,488
Market State CLOSED
Max Age 86,400
Message Board Id finmb_1673028342
Most Recent Quarter 1,782,777,600
Net Income To Common 45,551,000
Next Fiscal Year End 1,798,675,200
Non Diluted Market Cap 89,003,963
Open 16.51
Operating Cashflow 26,712,000
Operating Margins -39.35449
Overall Risk 7
Payout Ratio 0.0
Phone 203 859 3820
Post Market Change 0.0
Post Market Change Percent 0.0
Post Market Price 16.81
Post Market Time 1,787,959,806
Previous Close 16.76
Price Eps Current Year -3.0452898
Price Hint 2
Price To Book 1.768729
Price To Sales Trailing12 Months 138.18806
Profit Margins 70.512375
Quick Ratio 26.03
Quote Source Name Nasdaq Real Time Price
Quote Type EQUITY
Recommendation Key none
Region US
Regular Market Change 0.0499992
Regular Market Change Percent 0.298325
Regular Market Day High 17.12
Regular Market Day Low 16.51
Regular Market Day Range 16.51 - 17.12
Regular Market Open 16.51
Regular Market Previous Close 16.76
Regular Market Price 16.81
Regular Market Time 1,787,947,200
Regular Market Volume 5,760
Return On Assets -0.21319
Return On Equity 0.6486
Revenue Per Share 0.114
Sand P52 Week Change 0.1966995
Sector Healthcare
Sector Disp Healthcare
Sector Key healthcare
Share Holder Rights Risk 6
Shares Outstanding 5,310,499
Shares Percent Shares Out 0.010299999
Shares Short 54,564
Shares Short Previous Month Date 1,784,073,600
Shares Short Prior Month 170,156
Short Name Rallybio Corporation
Short Percent Of Float 0.0124
Short Ratio 1.56
Source Interval 15
State CT
Symbol RLYB
Total Cash 92,849,000
Total Cash Per Share 17.484
Total Debt 0
Total Revenue 646,000
Tradeable 0
Trailing Annual Dividend Rate 0.0
Trailing Annual Dividend Yield 0.0
Trailing Eps 7.99
Trailing P E 2.10388
Trailing Peg Ratio None
Triggerable 1
Two Hundred Day Average 10.413025
Two Hundred Day Average Change 6.3969746
Two Hundred Day Average Change Percent 0.61432433
Type Disp Equity
Volume 5,760
Website https://www.rallybio.com
Zip 6,510