Companies: 10,795·Total market cap: $144.5T
Rallybio Corporation

Rallybio Corporation

RLYBNASDAQHealthcare● Active
$15.91
$-0.04(-0.25%)
Market Cap$84293407
P/E Ratio
52W High$17.574
52W Low$2.4

Rallybio Corporation (RLYB) Stock Price History

Key milestones, OHLCV table, annual returns, peers & What If.

rlyb · EOD price history · split-adj. · FMP · as of Jun 8, 2026

5-Year High5Y
$206.24
Jul 30, 2021
-92.3% from here
5-Year Low5Y
$1.76
Apr 9, 2025
+804.0% from low
IPO Priceadj.
$112.80
Jul 29, 2021
-85.9% since IPO
1 Year Ago
$3.00
Jun 9, 2025
+430.3% in 1Y
5 Years Ago
+0.0% in 5Y
10 Years Ago
+0.0% in 10Y

Historical Price Data · RLYB

DateOpenHighLowCloseClose (Unadj.) ⓘVolumeChange %
Jun 8, 2026$15.98$16.42$15.90$15.91$15.9122K-0.44%
Jun 5, 2026$16.10$16.13$15.85$15.95$15.9535K-0.93%
Jun 4, 2026$16.21$16.57$16.05$16.20$16.2034K-0.06%
Jun 3, 2026$16.16$16.25$15.86$16.07$16.0755K-0.56%
Jun 2, 2026$16.64$17.20$15.80$16.23$16.23184K-2.46%
Jun 1, 2026$16.80$17.57$16.41$16.87$16.87452K+0.42%
May 29, 2026$14.50$14.73$14.21$14.46$14.4646K-0.28%
May 28, 2026$14.51$14.69$14.36$14.52$14.5221K+0.07%
May 27, 2026$14.63$15.15$14.50$14.53$14.5318K-0.68%
May 26, 2026$15.74$15.86$14.67$14.70$14.7036K-6.61%
May 22, 2026$15.85$16.00$15.46$15.88$15.8865K+0.19%
May 21, 2026$14.68$15.75$14.17$15.38$15.3869K+4.77%
May 20, 2026$14.25$14.71$14.05$14.58$14.5844K+2.32%
May 19, 2026$14.18$14.29$13.80$14.19$14.1990K+0.07%
May 18, 2026$14.47$14.47$13.88$14.10$14.1058K-2.56%
May 15, 2026$14.16$14.50$13.80$14.30$14.3054K+0.99%
May 14, 2026$14.38$14.41$13.95$14.21$14.2142K-1.18%
May 13, 2026$14.05$14.35$13.61$14.35$14.35151K+2.14%
May 12, 2026$14.00$14.24$13.68$14.03$14.0388K+0.21%
May 11, 2026$14.22$14.45$13.74$14.00$14.00177K-1.55%
Showing 1–20 of 1,220 records

Annual Stock Price Performance · RLYB

Jan 1 → Dec 31 · 6 years
2026
+188.2%
+188.2%
2025
-28.5%
-28.5%
2024
-59.5%
-59.5%
2023
-63.6%
-63.6%
2022
-31.1%
-31.1%
2021
-36.1%
-36.1%
Best Year2026 · +188.2%
Worst Year2023 · -63.6%
Positive Years1 / 6
Avg Annual Return-5.1%
6Y Total Return-86.7%
6Y CAGR~-28.5% / yr

What If You Invested in RLYB?

If you invested $1,000 in RLYB at IPO (split-adj.) — how much would it be worth today?

INVESTED$1,000
TODAY WORTH$141
Total Return-85.9%
CAGR~-32.4% / yr
Profit$-859
Based on Jul 29, 2021 · $112.80Split & dividend adjustedNo fees assumed
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About Price History & OHLCV Data

Rallybio Corporation (RLYB) is classified under Healthcare and trades on NASDAQ. The quote snapshot on this page shows a last price of $15.91. Use the chart and OHLCV table below for open, high, low, close and volume over time.

Annual performance bars, similar companies in the same sector, and the What If calculator help you explore long-horizon returns without leaving this tab. Figures use split-adjusted end-of-day prices where noted; this content is informational, not investment advice.

Data: FMP EOD · split-adjusted where noted · not investment advice

Frequently Asked Questions

RLYB price history · 5 questions
End-of-day prices are sourced from market data providers (Financial Modeling Prep). Corporate actions such as splits may be reflected in adjusted series; always verify critical values with your broker or official filings.
RLYB historical stock pricesFMP EOD datasplit-adjusted OHLCV