RLYB Stock Summary and Trading Ideas (Rallybio | NASDAQ:RLYB)

Rallybio Corp is a clinical-stage biotechnology company engaged in the development of therapeutic candidates for severe and rare diseases. It focuses on the treatment of conditions related to complement dysregulation and hematologic disorders. The company's flagship program, RLYB116, is a C5 inhibitor being evaluated for potential use in diseases associated with complement dysregulation, including immune platelet transfusion refractoriness and refractory antiphospholipid syndrome. Its pipeline also includes RLYB332, a preclinical long-acting matriptase-2 antibody candidate under investigation for the treatment of iron overload disorders.

What symbol and exchange does Rallybio shares trade?

Rallybio trades on the NASDAQ stock market under the symbol RLYB.

What is Rallybio stock price doing today?

As of March 19, 2026, RLYB stock price declined to $9.09 with 139,394 million shares trading.

What is Rallybio's Beta?

RLYB has a beta of 1.26, meaning it tends to be more sensitive to market movements. RLYB has a correlation of 0.04 to the broad based SPY ETF.

How much is Rallybio worth?

RLYB has a market cap of $48.00 million. This is considered a Sub-Micro Cap stock.

How much money does Rallybio make?

Last quarter Rallybio reported $212,000 in Revenue and -$1.12 earnings per share. This beat revenue expectation by $145,330 and exceeded earnings estimates by $.64.

What is the highest and lowest price Rallybio traded in the last 3 year period?

In the last 3 years, RLYB traded as high as $73.12 and as low as $1.76.

What are the top ETFs holding Rallybio?

The top ETF exchange traded funds that RLYB belongs to (by Net Assets): VTI, VXF, DFAS.

Is Rallybio (RLYB) a good investment?

RLYB has outperformed the market in the last year with a return of +55.9%, while the SPY ETF gained +17.6%. In the last 3 month period, RLYB beat the market returning +44.7%, while SPY returned -3.1%. However, in the most recent 2 weeks RLYB has underperformed the stock market by returning -15.8%, while SPY returned -3.2%.

What are the support and resistance levels for Rallybio (RLYB)?

RLYB support price is $8.69 and resistance is $10.03 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that RLYB shares will trade within this expected range on the day.