Rallybio Corporation (RLYB) Stock Price History
Historical prices from 2021 to 2026
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RLYB Historical Performance
Short-Term Returns
RLYB Stock Price Trajectory (2021–2026)
As of May 8, 2026, Rallybio Corporation (RLYB) trades at $14.66, representing a +510.8% return over the past year. The stock has delivered a -87.0% total return over five years (-33.5% 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 -92.9%, currently trading 142% above its 200-day moving average, indicating continued institutional support.
When compared to Healthcare sector peers IMVT (+96.1% 1Y), PRAX (+775.0% 1Y), and KYMR (+190.7% 1Y), RLYB has underperformed the peer group average. Compare RLYB vs IMVT →
RLYB Historical Price Data (2025–2026)
Showing 30 of 1,200 recordsLoading full history…
| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 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% |
| 2026-04-15 | 8.21 | 8.34 | 8.17 | 8.28 | 94K | +0.36% |
| 2026-04-14 | 8.32 | 8.48 | 8.21 | 8.25 | 40K | -0.60% |
| 2026-04-13 | 8.52 | 8.52 | 8.09 | 8.30 | 57K | -1.66% |
| 2026-04-10 | 8.07 | 8.59 | 8.00 | 8.44 | 29K | +2.80% |
| 2026-04-09 | 8.16 | 8.28 | 8.08 | 8.21 | 40K | -0.12% |
| 2026-04-08 | 8.40 | 8.40 | 8.00 | 8.22 | 116K | +2.11% |
| 2026-04-07 | 8.09 | 8.41 | 8.02 | 8.05 | 146K | -0.86% |
| 2026-04-06 | 8.28 | 8.50 | 8.03 | 8.12 | 122K | -3.68% |
| 2026-04-02 | 8.34 | 8.45 | 8.20 | 8.43 | 13K | +0.36% |
| 2026-04-01 | 8.99 | 9.24 | 8.22 | 8.40 | 32K | -6.09% |
| 2026-03-31 | 8.40 | 9.03 | 8.10 | 8.95 | 154K | +11.26% |
| 2026-03-30 | 8.35 | 8.37 | 7.90 | 8.04 | 58K | -2.19% |
| 2026-03-27 | 8.70 | 8.70 | 8.04 | 8.22 | 64K | -2.61% |
| 2026-03-26 | 8.34 | 8.71 | 8.34 | 8.44 | 75K | -2.14% |
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Start ComparisonRLYB — Frequently Asked Questions
Quick answers to the most common questions about buying RLYB stock.
How has RLYB stock performed recently?
RLYB returned +510.8% over the past year, beating its 5-year annualized CAGR of -33.5%. 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 $15.31. Current 1-year return of +510.8% 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.