- ISIN
- US75120L1008
- CUSIP
- 75120L100
- Sector
- Healthcare
- Industry
- Biotechnology
- IPO Date
- Jul 29, 2021
Highlights
- Market Cap
- $91.42M
- Enterprise Value
- $50.37M
- EPS (TTM)
- -$1.41
- Total Revenue (TTM)
- $858.00K
- Gross Profit (TTM)
- $643.00K
- EBITDA (TTM)
- -$32.06M
- Year Range
- $2.40 - $17.57
- ROA (TTM)
- -14.35%
- ROE (TTM)
- -15.55%
Share Price Chart
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Performance
RLYB Performance Chart
Rallybio Corporation (RLYB) is up 192.8% since the beginning of the year. At $16 per share, RLYB is trading 8.6% below its 52-week high of $18.
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Returns By Period
Rallybio Corporation (RLYB) has returned 192.78% so far this year and 583.02% over the past 12 months.
Rallybio Corporation
- 1D
- -0.99%
- 1M
- 13.81%
- YTD
- 192.78%
- 6M
- 204.36%
- 1Y
- 583.02%
- 3Y*
- -36.91%
- 5Y*
- —
- 10Y*
- —
Benchmark (S&P 500 Index)
- 1D
- -0.74%
- 1M
- 4.90%
- YTD
- 10.35%
- 6M
- 10.28%
- 1Y
- 26.52%
- 3Y*
- 20.83%
- 5Y*
- 12.30%
- 10Y*
- 13.66%
RLYB Monthly Returns History
Based on dividend-adjusted daily data since Jul 29, 2021, RLYB's average daily return is +0.07%, while the average monthly return is +0.77%. At this rate, an investment would double in approximately 7.5 years.
Historically, 52% of months were positive and 48% were negative. The best month was Feb 2024 with a return of +72.2%, while the worst month was Nov 2023 at -54.5%. The longest winning streak lasted 5 consecutive months, and the longest losing streak was 6 months.
On a daily basis, RLYB closed higher 48% of trading days. The best single day was Apr 11, 2024 with a return of +82.8%, while the worst single day was Apr 8, 2025 at -41.2%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | -6.41% | 46.78% | 18.97% | 0.11% | 61.02% | 11.13% | 192.78% | ||||||
| 2025 | -10.43% | -16.00% | -9.39% | -51.11% | -3.44% | 9.39% | 37.57% | 15.40% | -7.01% | 39.76% | -6.64% | 5.38% | -28.53% |
| 2024 | -43.51% | 72.22% | -20.43% | 3.78% | -13.02% | -19.76% | 3.73% | -17.27% | 1.74% | -11.97% | 13.59% | -17.95% | -59.83% |
| 2023 | 5.63% | 13.40% | -27.45% | -5.60% | 32.84% | -20.95% | 5.65% | -11.04% | -36.65% | 24.63% | -54.52% | 25.13% | -63.62% |
| 2022 | 27.46% | -9.62% | -36.49% | 42.69% | 36.55% | -44.49% | 23.58% | 18.44% | 30.95% | -33.93% | -39.75% | 14.06% | -31.13% |
| 2021 | 20.57% | -22.65% | 33.69% | 1.54% | -27.90% | -25.87% | -32.34% |
Benchmark Metrics
Rallybio Corporation has an annualized alpha of 2.28%, beta of 1.16, and R2 of 0.03 versus S&P 500 Index. Calculated based on daily prices since July 30, 2021.
- This stock participated in 21.73% of S&P 500 Index downside but only -75.07% of its upside - more exposed to losses than it benefited from rallies.
- R2 of 0.03 means this stock moves largely independently of S&P 500 Index - capture ratios reflect limited market correlation rather than active downside protection. Consider using a more representative benchmark.
- Alpha
- 2.28%
- Beta
- 1.16
- R²
- 0.03
- Upside Capture
- -75.07%
- Downside Capture
- 21.73%
Return for Risk
Risk / Return Rank
RLYB ranks 98 for risk / return — in the top 98% of stocks on our site. This means strong returns relative to risk — exactly what professional investors look for. Well-suited for investors who want to maximize return per unit of risk.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for Rallybio Corporation (RLYB) and compare them to S&P 500 Index.
| RLYB | Benchmark | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +2.80 | ||
| Sortino ratioReturn per unit of downside risk | +2.25 | ||
| Omega ratioGain probability vs. loss probability | 1.62 | 1.41 | +0.21 |
| Calmar ratioReturn relative to maximum drawdown | 18.95 | 2.93 | +16.02 |
| Martin ratioReturn relative to average drawdown | 44.22 | 13.52 | +30.70 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Dividends
Dividend History
Drawdowns
Drawdowns Chart
The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.
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Worst Drawdowns
The table below displays the maximum drawdowns of the Rallybio Corporation. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.
The maximum drawdown for the Rallybio Corporation was 98.93%, occurring on Apr 8, 2025. The portfolio has not yet recovered.
The current Rallybio Corporation drawdown is 91.42%.
Related event | Drawdown | Fall | Recovery | Underwater |
|---|---|---|---|---|
2025 selloff2025 | -98.93%Apr 2025 | 3y 8mo | — | 4y 10moAug 2021 - now |
Drawdown Indicators
| RLYB | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -98.93% | -56.78% | -42.15% |
Max Drawdown (1Y)Largest decline over 1 year | -31.05% | -9.10% | -21.95% |
Max Drawdown (3Y)Largest decline over 3 years | -97.19% | -18.90% | -78.29% |
Max Drawdown (5Y)Largest decline over 5 years | — | -25.43% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -33.92% | — |
Current DrawdownCurrent decline from peak | -91.42% | -0.74% | -90.68% |
Average DrawdownAverage peak-to-trough decline | -79.17% | -10.72% | -68.45% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 13.28% | 1.97% | +11.31% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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Financials
Financial Performance
The chart below illustrates the trends in the financial health of Rallybio Corporation over time, highlighting three key metrics: Total Revenue, Earnings Before Interest and Taxes (EBIT), and Net Income.
Valuation
The Valuation section provides an overview of how Rallybio Corporation is priced in the market compared to other companies in the Biotechnology industry. It includes key financial ratios that help investors assess whether the stock is undervalued or overvalued.
PS Ratio
This chart shows the Price-to-Sales (P/S) ratio for RLYB relative to other companies in the Biotechnology industry. Currently, RLYB has a P/S ratio of 104.0. This P/S ratio is high relative to other companies in the industry. It could mean the stock is overvalued, or that investors expect strong future growth and profitability.
PB Ratio
The chart illustrates the Price-to-Book (P/B) ratio for RLYB in comparison with other companies in the Biotechnology industry. Currently, RLYB has a P/B value of 1.8. This P/B ratio is in line with the industry average, suggesting the stock is valued fairly in relation to its book value.
Income Statement
| TTM | |
|---|---|
Revenue | — |
Total Revenue | — |
Cost Of Revenue | — |
Gross Profit | — |
Operating Expenses | — |
Selling, General & Admin Expenses | — |
R&D Expenses | — |
Depreciation And Amortization | — |
Total Operating Expenses | — |
Income | — |
Income Before Tax | — |
Operating Income | — |
EBITDA | — |
EBIT | — |
Earnings From Continuing Operations | — |
Net Income | — |
Income Tax Expense | — |
Other Non-Operating Income (Expenses) | — |
Extraordinary Items | — |
Discontinued Operations | — |
Effect Of Accounting Charges | — |
Non Recurring | — |
Minority Interest | — |
Other Items | — |
Interest Income | — |
Interest Expense | — |
Net Interest Income | — |
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