Stock listing
NASDAQ:RLYB Rallybio Corporation Stock
Home listing (NASDAQ) of Rallybio Corporation
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Share price · NASDAQ:RLYB
$15.54 USD +0.13 (+0.8%)
Close on Oct 30, 2026
- Day range
- $15.30 – $16.25 USDOct 30, 2026
- Volume
- 61,712 sharesOct 30, 2026
- Market cap
- $83.67M USDAt the close on Oct 30, 2026 · price × 5.38M shares outstanding
- 52-week range
- $3.67 – $17.57 USDLowest and highest trades, Oct 31, 2025 – Oct 30, 2026
- Traded on an average day
- $266,673 USDMedian day 8,450 shares · last 3 months, Jul 30, 2026 – Oct 30, 2026

Prices by listing
| Listing | Last | Change | Volume | Open | High | Low | Previous close | Price from |
|---|---|---|---|---|---|---|---|---|
| NASDAQ:RLYB · Home | $15.54 USD | +0.13 (+0.8%) | 61,712 | $15.42 | $16.25 | $15.30 | $15.41 | Close on Oct 30, 2026 |
Daily closes
Last 3 months, Jul 30, 2026 – Oct 30, 2026 · NASDAQ:RLYB · USD, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| $15.54 | +0.13 | +0.8% | $15.42 | $16.25 | $15.30 | 61,712 | |
| $15.41 | -0.58 | -3.6% | $15.88 | $16.28 | $15.28 | 51,893 | |
| $15.99 | +0.06 | +0.4% | $15.66 | $16.44 | $15.66 | 22,375 | |
| $15.93 | -0.72 | -4.3% | $16.46 | $16.46 | $15.51 | 52,617 | |
| $16.65 | +0.01 | +0.1% | $16.71 | $16.71 | $16.50 | 3,538 | |
| $16.64 | +0.24 | +1.5% | $16.62 | $16.79 | $16.40 | 6,200 | |
| $16.40 | +0.18 | +1.1% | $16.20 | $16.41 | $16.20 | 5,500 | |
| $16.22 | -0.16 | -1.0% | $16.37 | $16.62 | $16.16 | 13,600 | |
| $16.38 | +0.03 | +0.2% | $16.48 | $16.48 | $16.36 | 102,600 | |
| $16.35 | +0.07 | +0.4% | $16.40 | $16.43 | $16.20 | 8,100 | |
| $16.28 | -0.495 | -3.0% | $16.70 | $16.70 | $16.20 | 37,100 | |
| $16.78 | -0.13 | -0.8% | $16.88 | $16.88 | $16.62 | 3,200 | |
| $16.91 | +0.185 | +1.1% | $16.79 | $16.91 | $16.74 | 5,300 | |
| $16.72 | -0.07 | -0.4% | $16.72 | $16.91 | $16.69 | 5,200 | |
| $16.79 | -0.23 | -1.4% | $16.88 | $17.08 | $16.75 | 6,000 | |
| $17.02 | +0.03 | +0.2% | $17.05 | $17.22 | $16.95 | 6,900 | |
| $16.99 | +0.06 | +0.4% | $16.75 | $17.04 | $16.75 | 7,900 | |
| $16.93 | -0.15 | -0.9% | $16.91 | $17.04 | $16.80 | 7,500 | |
| $17.08 | +0.18 | +1.1% | $16.87 | $17.08 | $16.80 | 1,900 | |
| $16.90 | -0.18 | -1.1% | $16.99 | $17.12 | $16.82 | 4,600 | |
| $17.08 | +0.32 | +1.9% | $16.69 | $17.22 | $16.69 | 7,900 | |
| $16.76 | -0.44 | -2.6% | $17.16 | $17.16 | $16.76 | 7,100 | |
| $17.20 | -0.02 | -0.1% | $17.24 | $17.24 | $16.93 | 6,000 | |
| $17.22 | +0.17 | +1.0% | $16.90 | $17.24 | $16.61 | 16,700 | |
| $17.05 | +0.43 | +2.6% | $16.55 | $17.05 | $16.55 | 16,100 | |
| $16.62 | +0.01 | +0.1% | $16.80 | $17.07 | $16.62 | 7,000 | |
| $16.61 | -0.25 | -1.5% | $16.74 | $16.75 | $16.61 | 6,800 | |
| $16.86 | -0.06 | -0.4% | $16.66 | $16.86 | $16.61 | 5,300 | |
| $16.92 | -0.01 | -0.1% | $16.85 | $17.11 | $16.72 | 7,600 | |
| $16.93 | -0.26 | -1.5% | $17.14 | $17.14 | $16.61 | 7,900 | |
| $17.19 | +0.03 | +0.2% | $17.16 | $17.20 | $16.92 | 16,100 | |
| $17.16 | +0.07 | +0.4% | $17.18 | $17.18 | $17.13 | 4,300 | |
| $17.09 | -0.13 | -0.8% | $17.24 | $17.24 | $16.71 | 17,800 | |
| $17.22 | +0.71 | +4.3% | $16.49 | $17.22 | $16.45 | 22,200 | |
| $16.51 | -0.365 | -2.2% | $16.98 | $16.98 | $16.50 | 14,300 | |
| $16.88 | +0.125 | +0.7% | $16.75 | $16.88 | $16.70 | 6,600 | |
| $16.75 | -0.22 | -1.3% | $16.80 | $17.06 | $16.71 | 6,100 | |
| $16.97 | +0.36 | +2.2% | $16.52 | $17.05 | $16.50 | 9,000 | |
| $16.61 | -0.315 | -1.9% | $16.97 | $16.97 | $16.61 | 7,000 | |
| $16.93 | +0.05 | +0.3% | $16.75 | $17.01 | $16.75 | 4,200 | |
| $16.88 | -0.065 | -0.4% | $16.66 | $17.09 | $16.66 | 2,500 | |
| $16.94 | +0.25 | +1.5% | $16.65 | $17.26 | $16.65 | 29,800 | |
| $16.69 | -0.10 | -0.6% | $17.05 | $17.05 | $16.67 | 11,200 | |
| $16.79 | -0.02 | -0.1% | $16.68 | $17.05 | $16.50 | 14,100 | |
| $16.81 | +0.05 | +0.3% | $16.51 | $17.12 | $16.51 | 5,800 | |
| $16.76 | -0.12 | -0.7% | $17.18 | $17.23 | $16.76 | 5,900 | |
| $16.88 | -0.005 | 0.0% | $16.95 | $17.03 | $16.75 | 3,700 | |
| $16.89 | +0.085 | +0.5% | $16.81 | $17.03 | $16.64 | 7,444 | |
| $16.80 | -0.03 | -0.2% | $16.54 | $16.86 | $16.54 | 6,681 | |
| $16.83 | +0.23 | +1.4% | $16.76 | $16.95 | $16.55 | 6,900 | |
| $16.60 | -0.40 | -2.4% | $16.78 | $16.98 | $16.51 | 15,300 | |
| $17.00 | +0.23 | +1.4% | $17.12 | $17.20 | $16.86 | 17,800 | |
| $16.77 | -0.23 | -1.4% | $16.87 | $17.14 | $16.73 | 10,300 | |
| $17.00 | +0.01 | +0.1% | $17.00 | $17.29 | $16.66 | 17,100 | |
| $16.99 | +0.03 | +0.2% | $17.01 | $17.23 | $16.67 | 12,900 | |
| $16.96 | +0.37 | +2.2% | $16.75 | $17.35 | $16.75 | 74,300 | |
| $16.59 | +0.21 | +1.3% | $16.39 | $16.80 | $16.33 | 17,700 | |
| $16.38 | -0.23 | -1.4% | $16.81 | $16.81 | $16.34 | 8,800 | |
| $16.61 | +0.45 | +2.8% | $16.25 | $16.98 | $16.23 | 23,300 | |
| $16.16 | -0.03 | -0.2% | $16.11 | $16.51 | $16.02 | 12,300 | |
| $16.19 | +0.05 | +0.3% | $16.28 | $16.65 | $15.95 | 27,100 | |
| $16.14 | +0.18 | +1.1% | $16.10 | $16.26 | $15.97 | 34,300 | |
| $15.96 | +0.01 | +0.1% | $15.91 | $16.13 | $15.85 | 44,900 | |
| $15.95 | +0.02 | +0.1% | $16.23 | $16.23 | $15.88 | 19,600 | |
| $15.93 | -0.14 | -0.9% | $15.91 | $16.06 | $15.86 | 18,100 | |
| $16.07 | +0.11 | +0.7% | $15.91 | $16.28 | $15.90 | 12,000 |
- Ticker
- NASDAQ:RLYB
- Asset type
- Stock
- Sector
- Health care
- Industry
- Biotechnology
- Exchange
- NASDAQ
- Currency
- USD
What changed lately
Latest news release · Jun 1, 2026
Rallybio Corporation and Avenzo Therapeutics Announce Merger Agreement to Advance Next-Generation Oncology Therapies and $215 Million Concurrent Private Placement
Latest deck · Jun 1, 2026
Merger or Acquisition (June 2026)
Merger or acquisition · 30 slides
Latest news
Rallybio Corporation and Avenzo Therapeutics Announce Merger Agreement to Advance Next-Generation Oncology Therapies and $215 Million Concurrent Private Placement
Jun 1, 2026
Closed $16.87 (+16.7%) on Jun 1, 2026
Rallybio Corporation and Candid Therapeutics Announce Merger Agreement
Mar 2, 2026
Closed $10.97 (+45.5%) on Mar 2, 2026
Rallybio Announces Positive Data for RLYB116 Phase 1 Study Demonstrating Complete and Sustained Inhibition of Terminal Complement
Feb 17, 2026
Closed $4.33 (-10.2%) on Feb 17, 2026
Rallybio Announces Reverse Stock Split of Common Stock
Feb 3, 2026
Closed $4.60 (-8.1%) on Feb 4, 2026
Rallybio Reports Third Quarter 2025 Financial Results and Provides Business Updates
Nov 6, 2025
Closed $5.11 (+2.2%) on Nov 6, 2025
Decks
Merger or Acquisition (June 2026)
Merger or acquisition · 30 slides · Jun 1, 2026
Merger or Acquisition (March 2026)
Merger or acquisition · 36 slides · Mar 2, 2026
Corporate Update (December 2023)
Corporate update · 6 slides · Dec 20, 2023
31st Congress of the International Society on Thrombosis and Haemostasis (ISTH) 2023
Conference · 14 slides · Jun 24, 2023
Rallybio Corporation on 6ix
- Sector
- Health care
- Industry
- Biotechnology
- News releases
- 5 in the last 12 months · 89 in all · newest Jun 1, 2026 · oldest 2021
- Decks
- 5 decks · latest Jun 1, 2026
Where Rallybio Corporation is listed
| Listing | Exchange | Country | Currency |
|---|---|---|---|
| NASDAQ:RLYB · Home listing · This page | NASDAQ | United States | USD |
| BOATS:RLYB | BOATS | United States | USD |
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