NASDAQ:RLYB

Rallybio Stock Price (Quote)

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$0.617
-0.0231 (-3.61%)
At Close: Nov 17, 2025

Range Low Price High Price Comment
30 days $0.540 $0.720 Monday, 17th Nov 2025 RLYB stock ended at $0.617. This is 3.61% less than the trading day before Friday, 14th Nov 2025. During the day the stock fluctuated 11.30% from a day low at $0.592 to a day high of $0.659.
90 days $0.478 $0.720
52 weeks $0.220 $1.24

Historical Rallybio Corporation prices

Date Open High Low Close Volume
Nov 17, 2025 $0.640 $0.659 $0.592 $0.617 256 970
Nov 14, 2025 $0.648 $0.648 $0.630 $0.640 134 631
Nov 13, 2025 $0.632 $0.697 $0.620 $0.656 395 010
Nov 12, 2025 $0.684 $0.717 $0.667 $0.698 106 385
Nov 11, 2025 $0.650 $0.720 $0.635 $0.705 164 339
Nov 10, 2025 $0.649 $0.654 $0.647 $0.650 112 787
Nov 07, 2025 $0.620 $0.640 $0.606 $0.625 119 524
Nov 06, 2025 $0.625 $0.653 $0.611 $0.639 146 966
Nov 05, 2025 $0.624 $0.636 $0.613 $0.625 95 085
Nov 04, 2025 $0.660 $0.672 $0.619 $0.630 292 644
Nov 03, 2025 $0.697 $0.699 $0.645 $0.668 268 003
Oct 31, 2025 $0.710 $0.715 $0.661 $0.697 545 559
Oct 30, 2025 $0.618 $0.720 $0.600 $0.697 685 931
Oct 29, 2025 $0.616 $0.623 $0.600 $0.605 45 196
Oct 28, 2025 $0.649 $0.649 $0.601 $0.618 257 527
Oct 27, 2025 $0.612 $0.669 $0.612 $0.625 213 746
Oct 24, 2025 $0.594 $0.625 $0.580 $0.610 193 881
Oct 23, 2025 $0.556 $0.610 $0.540 $0.600 388 434
Oct 22, 2025 $0.576 $0.576 $0.551 $0.561 99 548
Oct 21, 2025 $0.544 $0.569 $0.544 $0.560 160 242
Oct 20, 2025 $0.554 $0.559 $0.542 $0.552 99 714
Oct 17, 2025 $0.537 $0.550 $0.529 $0.535 102 553
Oct 16, 2025 $0.533 $0.569 $0.519 $0.554 194 626
Oct 15, 2025 $0.540 $0.560 $0.521 $0.536 211 681
Oct 14, 2025 $0.510 $0.536 $0.496 $0.535 184 504

FAQ

What are historical stock prices?
Historical stock prices refer to a stock’s recorded prices at various past points. These prices include several key figures that help investors and analysts evaluate a stock’s performance over time:
Open: Open price for the trading day.
High: Highest price for the trading day.
Low: Lowest price for the trading day.
Close: Close price for the trading day.

Additionally, historical prices often include:
Volume is the number of shares traded during the day. It indicates how actively a stock was traded and can provide insights into market sentiment and liquidity.

How can I use RLYB stock historical prices to predict future price movements?
Trend Analysis: Examine the RLYB stock’s historical trends to identify patterns that might continue.
Moving Averages: Use moving averages to detect potential reversal points.
Momentum Indicators: Apply indicators like RSI or MACD to assess the momentum and strength of price movements.
Volume Analysis: Analyze trading volume alongside price changes to gauge trend strength.
Statistical Methods: Use statistical tools such as regression analysis to model and forecast future prices based on past data.
These techniques can provide insights but should be used with risk management practices to mitigate potential losses.

What impact do stock splits have on historical price data?
When a company performs a stock split, it adjusts the historical price data to reflect the new, lower trading price as if it had always been that way.

This ensures consistency for anyone analyzing the stock’s past prices. The adjustment helps prevent misleading signals on charts, such as false sell signals or bearish trends that aren’t there. For instance, in a 2-for-1 stock split, the price per share is cut in half, which would otherwise appear as a dramatic drop on the chart. If someone didn’t know about the split, they might wrongly think something negative happened to the company. Most technical indicators would also react to this apparent drop by signaling to sell.

A stock split, while making the shares seem more affordable and potentially more attractive to investors, doesn’t alter the company’s fundamental value.

Why do the RLYB stock historical prices show a range for periods like 30 days, 90 days, and 52 weeks?
The range provides the lowest and highest prices at which the stock has traded during the specified period. This helps investors understand the stock’s volatility and price variability within that timeframe.

How can I use historical price volatility to assess risk?
High price volatility historically indicates higher risk and potentially higher returns. Investors can gauge the stock’s risk level by examining the range between high and low prices over various periods.
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ABOUT RALLYBIO CORPORATION
Rallybio
Rallybio Corporation, a clinical-stage biotechnology company, engages in discovering, developing, manufacturing, and delivering therapies that enhance the lives of patients suffering from severe and rare diseases. Its lead product candidate is RLYB212, a monoclonal anti-HPA-1a antibody that is in Phase I clinical trial for the prevention of fetal and neonatal alloimmune thrombocytopenia (FNAIT). The company is also developing RLYB211, a polyclona...
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