Rallybio Corporation (RLYB) Stock Price History
Historical prices from 2021 to 2026
- 1M
- +0.8%
- 3M
- +8.0%
- YTD
- +201.8%
- 1Y
- +317.6%
- 3Y
- -12.2%
- 5Y
- -35.8%
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
- +181.4%
RLYB Stock Price Trajectory (2021–2026)
As of October 3, 2026, Rallybio Corporation (RLYB) trades at $17.08, representing a +317.6% return over the past year. The stock has delivered a -89.1% total return over five years (-35.8% 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 -91.7%, currently trading 44% above its 200-day moving average, indicating continued institutional support.
When compared to Healthcare sector peers IMVT (+101.0% 1Y), PRAX (+435.4% 1Y), and KYMR (+91.8% 1Y), RLYB has underperformed the peer group average. Compare RLYB vs IMVT →
RLYB Historical Price Data · from 2021
Rows 1–50 of 1,301| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-10-02 | 16.90 | 17.11 | 16.80 | 17.08 | 8K | +1.91% |
| 2026-10-01 | 17.16 | 17.16 | 16.76 | 16.76 | 7K | -2.56% |
| 2026-09-30 | 17.24 | 17.24 | 16.93 | 17.20 | 6K | -0.12% |
| 2026-09-29 | 16.90 | 17.24 | 16.61 | 17.22 | 18K | +1.00% |
| 2026-09-28 | 16.55 | 17.06 | 16.55 | 17.05 | 16K | +2.59% |
| 2026-09-25 | 17.06 | 17.07 | 16.62 | 16.62 | 7K | +0.06% |
| 2026-09-24 | 16.74 | 16.75 | 16.60 | 16.61 | 7K | -1.48% |
| 2026-09-23 | 16.89 | 16.91 | 16.72 | 16.86 | 5K | -0.35% |
| 2026-09-22 | 16.85 | 17.11 | 16.72 | 16.92 | 8K | -0.06% |
| 2026-09-21 | 17.14 | 17.14 | 16.75 | 16.93 | 8K | -1.51% |
| 2026-09-18 | 17.16 | 17.20 | 16.92 | 17.19 | 16K | +0.17% |
| 2026-09-17 | 17.04 | 17.18 | 16.94 | 17.16 | 4K | +0.41% |
| 2026-09-16 | 17.24 | 17.24 | 16.61 | 17.09 | 18K | -0.75% |
| 2026-09-15 | 16.95 | 17.22 | 16.45 | 17.22 | 22K | +4.30% |
| 2026-09-14 | 17.01 | 17.03 | 16.50 | 16.51 | 14K | -2.16% |
| 2026-09-11 | 16.83 | 16.88 | 16.70 | 16.88 | 7K | +0.75% |
| 2026-09-10 | 16.80 | 17.06 | 16.66 | 16.75 | 6K | -1.30% |
| 2026-09-09 | 16.89 | 17.05 | 16.58 | 16.97 | 9K | +0.71% |
| 2026-09-08 | 16.70 | 16.96 | 16.61 | 16.85 | 7K | -0.44% |
| 2026-09-04 | 16.90 | 17.10 | 16.82 | 16.93 | 4K | +0.30% |
| 2026-09-03 | 16.98 | 17.09 | 16.66 | 16.88 | 3K | -0.38% |
| 2026-09-02 | 17.00 | 17.26 | 16.94 | 16.94 | 30K | +1.50% |
| 2026-09-01 | 16.77 | 16.99 | 16.67 | 16.69 | 11K | -0.60% |
| 2026-08-31 | 16.64 | 17.05 | 16.50 | 16.79 | 14K | -0.12% |
| 2026-08-28 | 16.84 | 17.10 | 16.74 | 16.81 | 6K | -1.75% |
| 2026-08-27 | 16.97 | 17.11 | 16.77 | 17.11 | 5K | +1.36% |
| 2026-08-26 | 16.94 | 17.07 | 16.75 | 16.88 | 4K | -0.03% |
| 2026-08-25 | 16.81 | 16.98 | 16.64 | 16.89 | 7K | +0.51% |
| 2026-08-24 | 16.54 | 16.86 | 16.54 | 16.80 | 7K | -0.18% |
| 2026-08-21 | 16.76 | 16.95 | 16.55 | 16.83 | 7K | +1.39% |
| 2026-08-20 | 16.78 | 16.98 | 16.51 | 16.60 | 15K | -2.35% |
| 2026-08-19 | 17.12 | 17.20 | 16.86 | 17.00 | 18K | +1.37% |
| 2026-08-18 | 16.87 | 17.14 | 16.73 | 16.77 | 10K | -1.35% |
| 2026-08-17 | 17.00 | 17.29 | 16.66 | 17.00 | 17K | +0.06% |
| 2026-08-14 | 17.01 | 17.23 | 16.67 | 16.99 | 13K | +0.18% |
| 2026-08-13 | 16.75 | 17.35 | 16.75 | 16.96 | 74K | +2.23% |
| 2026-08-12 | 16.39 | 16.80 | 16.33 | 16.59 | 18K | +1.28% |
| 2026-08-11 | 16.81 | 16.81 | 16.34 | 16.38 | 9K | -1.38% |
| 2026-08-10 | 16.25 | 16.98 | 16.23 | 16.61 | 23K | +2.78% |
| 2026-08-07 | 16.11 | 16.51 | 16.02 | 16.16 | 12K | -0.19% |
| 2026-08-06 | 16.28 | 16.65 | 15.95 | 16.19 | 27K | +0.31% |
| 2026-08-05 | 16.10 | 16.26 | 15.97 | 16.14 | 34K | +1.13% |
| 2026-08-04 | 15.91 | 16.13 | 15.85 | 15.96 | 45K | +0.06% |
| 2026-08-03 | 16.23 | 16.23 | 15.88 | 15.95 | 20K | +0.13% |
| 2026-07-31 | 15.91 | 16.06 | 15.86 | 15.93 | 18K | -0.87% |
| 2026-07-30 | 15.91 | 16.28 | 15.90 | 16.07 | 12K | +0.69% |
| 2026-07-29 | 16.20 | 16.20 | 15.95 | 15.96 | 16K | -1.24% |
| 2026-07-28 | 16.18 | 16.27 | 15.90 | 16.16 | 25K | -0.92% |
| 2026-07-27 | 16.47 | 16.48 | 16.06 | 16.31 | 16K | 0.00% |
| 2026-07-24 | 16.46 | 16.64 | 16.00 | 16.31 | 42K | -0.49% |
RLYB Chart Terminal
Live VCP patterns, Cup & Handle overlays, support/resistance, and AI trade plans.
Live Breakouts Feed
High-probability breakout stocks crossing their pivot across 5 pattern engines.
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
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 +317.6% over the past year, beating its 5-year annualized CAGR of -35.8%. 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 $17.57. Current 1-year return of +317.6% 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.