Rallybio Corporation (RLYB) Stock Price History
Historical prices from 2021 to 2026
- 1M
- +8.8%
- 3M
- +89.6%
- YTD
- +182.7%
- 1Y
- +451.7%
- 3Y
- -30.8%
- 5Y
- -32.3%
Loading 10-year price history...
RLYB Historical Performance
RLYB Annual Returns
Year-by-year price performance · 2021–2026
- 2021 annual price return
- -32.3%
- 2022 annual price return
- -36.7%
- 2023 annual price return
- -61.4%
- 2024 annual price return
- -60.0%
- 2025 annual price return
- -27.8%
- 2026 annual price return
- +33.2%
RLYB Stock Price Trajectory (2021–2026)
As of June 29, 2026, Rallybio Corporation (RLYB) trades at $16.00, representing a +451.7% return over the past year. The stock has delivered a -85.9% total return over five years (-32.3% CAGR), reflecting challenging market conditions.
The stock reached its all-time high of $206.24 on July 30, 2021. From this peak, RLYB has corrected -92.2%, currently trading 102% above its 200-day moving average, indicating continued institutional support.
When compared to Healthcare sector peers IMVT (+137.0% 1Y), PRAX (+644.3% 1Y), and KYMR (+136.5% 1Y), RLYB has underperformed the peer group average. Compare RLYB vs IMVT →
RLYB Historical Price Data · from 2021
Rows 1–50 of 1,234| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-06-26 | 15.85 | 16.50 | 15.68 | 16.00 | 0 | +1.85% |
| 2026-06-25 | 15.84 | 16.22 | 15.59 | 15.71 | 51K | -1.32% |
| 2026-06-24 | 15.85 | 15.93 | 15.63 | 15.92 | 43K | +1.40% |
| 2026-06-23 | 15.81 | 15.91 | 15.63 | 15.70 | 62K | -1.44% |
| 2026-06-22 | 16.19 | 16.19 | 15.80 | 15.93 | 87K | -0.25% |
| 2026-06-18 | 15.79 | 16.23 | 15.79 | 15.97 | 24K | +0.31% |
| 2026-06-17 | 16.00 | 16.15 | 15.76 | 15.92 | 36K | +0.13% |
| 2026-06-16 | 15.87 | 15.99 | 15.77 | 15.90 | 20K | 0.00% |
| 2026-06-15 | 15.97 | 16.45 | 15.84 | 15.90 | 6K | -0.13% |
| 2026-06-12 | 16.14 | 16.25 | 15.90 | 15.92 | 50K | 0.00% |
| 2026-06-11 | 15.89 | 16.16 | 15.89 | 15.92 | 25K | -0.13% |
| 2026-06-10 | 16.21 | 16.30 | 15.77 | 15.94 | 13K | +0.19% |
| 2026-06-09 | 16.23 | 16.50 | 15.80 | 15.91 | 24K | 0.00% |
| 2026-06-08 | 16.13 | 16.42 | 15.91 | 15.91 | 22K | -0.25% |
| 2026-06-05 | 16.10 | 16.13 | 15.87 | 15.95 | 35K | -1.54% |
| 2026-06-04 | 16.21 | 16.56 | 16.05 | 16.20 | 34K | +0.81% |
| 2026-06-03 | 16.15 | 16.25 | 15.86 | 16.07 | 54K | -0.99% |
| 2026-06-02 | 16.65 | 17.20 | 15.80 | 16.23 | 180K | -3.79% |
| 2026-06-01 | 16.80 | 17.50 | 16.41 | 16.87 | 452K | +16.67% |
| 2026-05-29 | 14.38 | 14.73 | 14.38 | 14.46 | 45K | -0.41% |
| 2026-05-28 | 14.41 | 14.69 | 14.36 | 14.52 | 21K | -0.07% |
| 2026-05-27 | 14.81 | 15.15 | 14.50 | 14.53 | 18K | -1.16% |
| 2026-05-26 | 15.54 | 15.70 | 14.61 | 14.70 | 36K | -7.43% |
| 2026-05-22 | 15.85 | 16.00 | 15.46 | 15.88 | 64K | +3.25% |
| 2026-05-21 | 14.68 | 15.75 | 14.17 | 15.38 | 69K | +5.49% |
| 2026-05-20 | 14.31 | 14.72 | 14.05 | 14.58 | 42K | +2.75% |
| 2026-05-19 | 14.18 | 14.28 | 13.80 | 14.19 | 90K | +0.64% |
| 2026-05-18 | 14.47 | 14.47 | 13.88 | 14.10 | 58K | -1.40% |
| 2026-05-15 | 14.16 | 14.50 | 13.80 | 14.30 | 52K | +0.63% |
| 2026-05-14 | 14.21 | 14.38 | 14.08 | 14.21 | 42K | -0.98% |
| 2026-05-13 | 14.05 | 14.36 | 13.61 | 14.35 | 187K | +2.28% |
| 2026-05-12 | 13.77 | 14.22 | 13.68 | 14.03 | 88K | +0.21% |
| 2026-05-11 | 14.22 | 14.45 | 13.96 | 14.00 | 176K | -2.64% |
| 2026-05-08 | 14.60 | 14.67 | 14.11 | 14.38 | 83K | -1.91% |
| 2026-05-07 | 15.15 | 15.15 | 14.38 | 14.66 | 130K | +0.69% |
| 2026-05-06 | 14.07 | 14.59 | 13.86 | 14.56 | 238K | +3.26% |
| 2026-05-05 | 14.50 | 15.31 | 13.87 | 14.10 | 471K | -0.14% |
| 2026-05-04 | 13.76 | 14.60 | 13.24 | 14.12 | 10.59M | +51.83% |
| 2026-05-01 | 9.13 | 9.35 | 8.95 | 9.30 | 70K | +3.56% |
| 2026-04-30 | 8.90 | 9.16 | 8.70 | 8.98 | 107K | +1.13% |
| 2026-04-29 | 8.76 | 9.04 | 8.50 | 8.88 | 148K | +1.37% |
| 2026-04-28 | 8.79 | 9.06 | 8.68 | 8.76 | 74K | -0.23% |
| 2026-04-27 | 8.84 | 9.24 | 8.71 | 8.78 | 96K | +1.74% |
| 2026-04-24 | 8.54 | 8.66 | 8.38 | 8.63 | 26K | +1.53% |
| 2026-04-23 | 8.66 | 8.66 | 8.46 | 8.50 | 17K | -0.58% |
| 2026-04-22 | 8.35 | 8.58 | 8.29 | 8.55 | 22K | +3.14% |
| 2026-04-21 | 8.26 | 8.47 | 8.20 | 8.29 | 22K | 0.00% |
| 2026-04-20 | 8.34 | 8.35 | 8.15 | 8.29 | 21K | +0.85% |
| 2026-04-17 | 8.26 | 8.28 | 8.11 | 8.22 | 33K | -1.32% |
| 2026-04-16 | 8.01 | 8.39 | 8.00 | 8.33 | 35K | +0.60% |
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
DCA Calculator
See how regular investing compounds over time.
Peer Comparison
Compare growth, multiples, and margins vs sector.
RLYB — Frequently Asked Questions
Quick answers to the most common questions about buying RLYB stock.
How has RLYB stock performed recently?
RLYB returned +451.7% over the past year, beating its 5-year annualized CAGR of -32.3%. The stock trades above its 200-day moving average, confirming the uptrend.
What is RLYB's all-time high price?
Rallybio Corporation reached $206.24 on 2021-07-30. The 52-week high is $17.50. Current 1-year return of +451.7% places the stock closer to historical peaks.
Where can I download RLYB historical price data?
This page provides RLYB daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2021-2026, downloadable in CSV format.