
RLYB Valuation
Rallybio Corp
- Overview
- Forecast
- Valuation
- Earnings
RLYB Relative Valuation
RLYB's fair value is calculated using relative valuation, based on historical P/E and P/S ranges and their premiums/discounts relative to a competitor average, adjusted by weights. If the market price exceeds this fair value range, RLYB is overvalued; if below, it's undervalued.
Historical Valuation
Rallybio Corp (RLYB) is now in the Fair zone, suggesting that its current forward PS ratio of 0.00 is considered Fairly compared with the five-year average of -2.44. The fair price of Rallybio Corp (RLYB) is between to according to relative valuation methord.
Relative Value
Fair Zone
-
Current Price:0.61
Fair
-0.74
PE
1Y
3Y
5Y
Trailing
Forward
0.00
EV/EBITDA
Rallybio Corp. (RLYB) has a current EV/EBITDA of 0.00. The 5-year average EV/EBITDA is -0.19. The thresholds are as follows: Strongly Undervalued below -2.03, Undervalued between -2.03 and -1.11, Fairly Valued between 0.73 and -1.11, Overvalued between 0.73 and 1.65, and Strongly Overvalued above 1.65. The current Forward EV/EBITDA of 0.00 falls within the Historic Trend Line -Fairly Valued range.
0.52
EV/EBIT
Rallybio Corp. (RLYB) has a current EV/EBIT of 0.52. The 5-year average EV/EBIT is -1.19. The thresholds are as follows: Strongly Undervalued below -6.92, Undervalued between -6.92 and -4.05, Fairly Valued between 1.67 and -4.05, Overvalued between 1.67 and 4.53, and Strongly Overvalued above 4.53. The current Forward EV/EBIT of 0.52 falls within the Historic Trend Line -Fairly Valued range.
184.51
PS
Rallybio Corp. (RLYB) has a current PS of 184.51. The 5-year average PS is 64.02. The thresholds are as follows: Strongly Undervalued below -244.69, Undervalued between -244.69 and -90.34, Fairly Valued between 218.38 and -90.34, Overvalued between 218.38 and 372.73, and Strongly Overvalued above 372.73. The current Forward PS of 184.51 falls within the Historic Trend Line -Fairly Valued range.
0.00
P/OCF
Rallybio Corp. (RLYB) has a current P/OCF of 0.00. The 5-year average P/OCF is -2.60. The thresholds are as follows: Strongly Undervalued below -7.46, Undervalued between -7.46 and -5.03, Fairly Valued between -0.16 and -5.03, Overvalued between -0.16 and 2.27, and Strongly Overvalued above 2.27. The current Forward P/OCF of 0.00 falls within the Overvalued range.
0.00
P/FCF
Rallybio Corp. (RLYB) has a current P/FCF of 0.00. The 5-year average P/FCF is -6.13. The thresholds are as follows: Strongly Undervalued below -20.98, Undervalued between -20.98 and -13.55, Fairly Valued between 1.29 and -13.55, Overvalued between 1.29 and 8.72, and Strongly Overvalued above 8.72. The current Forward P/FCF of 0.00 falls within the Historic Trend Line -Fairly Valued range.
Rallybio Corp (RLYB) has a current Price-to-Book (P/B) ratio of 0.55. Compared to its 3-year average P/B ratio of 0.93 , the current P/B ratio is approximately -40.35% higher. Relative to its 5-year average P/B ratio of 1.13, the current P/B ratio is about -51.16% higher. Rallybio Corp (RLYB) has a Forward Free Cash Flow (FCF) yield of approximately 0.00%. Compared to its 3-year average FCF yield of -100.58%, the current FCF yield is approximately -100.00% lower. Relative to its 5-year average FCF yield of -75.83% , the current FCF yield is about -100.00% lower.
0.55
P/B
Median3y
0.93
Median5y
1.13
-170.73
FCF Yield
Median3y
-100.58
Median5y
-75.83
Competitors Valuation Multiple
The average P/S ratio for RLYB's competitors is 0.00, providing a benchmark for relative valuation. Rallybio Corp Corp (RLYB) exhibits a P/S ratio of , which is NaN% above the industry average. Given its robust revenue growth of -29.10%, this premium appears unsustainable.
Performance Decomposition
1Y
3Y
5Y
Market capitalization of RLYB decreased by 47.94% over the past 1 year. The primary factor behind the change was an increase in P/E Change from -0.68 to -0.65.
The secondary factor is the Margin Expansion, contributed -15.71%to the performance.
Overall, the performance of RLYB in the past 1 year is driven by P/E Change. Which is more unsustainable.
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FAQ

Is Rallybio Corp (RLYB) currently overvalued or undervalued?
Rallybio Corp (RLYB) is now in the Fair zone, suggesting that its current forward PS ratio of 0.00 is considered Fairly compared with the five-year average of -2.44. The fair price of Rallybio Corp (RLYB) is between to according to relative valuation methord.

What is Rallybio Corp (RLYB) fair value?

How does RLYB's valuation metrics compare to the industry average?

What is the current P/B ratio for Rallybio Corp (RLYB) as of Sep 23 2025?

What is the current FCF Yield for Rallybio Corp (RLYB) as of Sep 23 2025?

What is the current Forward P/E ratio for Rallybio Corp (RLYB) as of Sep 23 2025?
