Avoid the stress of overpaying for a stock or missing an opportunity by using the right tools and insights to evaluate AnaptysBio, Inc. before investing.

In this article, we go over a few key elements for understanding AnaptysBio, Inc.’s stock price such as:

• AnaptysBio, Inc.’s current stock price and volume
• Why AnaptysBio, Inc.’s stock price changed recently
• Upgrades and downgrades for ANAB from analysts
• ANAB’s stock price momentum as measured by its relative strength

About AnaptysBio, Inc. (ANAB)

Before we jump into AnaptysBio, Inc.’s stock price, history, target price and what caused it to recently dip, let’s take a look at some background.

AnaptysBio, Inc. discovers and out-licenses therapeutic bodies in the United States. The company manages financial collaborations for Jemperli, a PD-1 antagonist for various solid tumor indications; and Quimilza, an IL-36R antagonist mAb, which has completed two registration-enabling global Phase 3 trials, and GEMINI-1 and GEMINI-2, evaluating the safety and efficacy of Quimilza in patients with generalized pustular psoriasis. It has a collaboration and exclusive license agreement with GSK plc to develop Jemperli as a monotherapy; and an exclusive license agreement with Vanda Pharmaceuticals Inc. for the development and commercialization of Quimilza. The company was formerly known as Anaptys Biosciences, Inc. and changed its name to AnaptysBio, Inc. in July 2006. AnaptysBio, Inc. was incorporated in 2005 and is based in San Diego, California.

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AnaptysBio, Inc.’s Stock Price as of Market Close

As of October 09, 2026, 2:00 PM, CST, AnaptysBio, Inc.’s stock price was $46.020.

AnaptysBio, Inc. is down 0.41% from its previous closing price of $46.210.

During the last market session, AnaptysBio, Inc.’s stock traded between $45.900 and $47.190. Currently, there are approximately 28.69 million shares outstanding for AnaptysBio, Inc..

AnaptysBio, Inc.’s price-earnings (P/E) ratio is currently at 4.9, which is low compared to the Biotechnology industry median of 19.1. The price-earnings ratio gauges market expectation of future performance by relating a stock’s current share price to its earnings per share.

AnaptysBio, Inc. Stock Price History

AnaptysBio, Inc.’s (ANAB) price is currently down 8.44% so far this month.

During the month of October, AnaptysBio, Inc.’s stock price has reached a high of $50.980 and a low of $44.735.

Over the last year, AnaptysBio, Inc. has hit prices as high as $73.300 and as low as $30.270. Year to date, AnaptysBio, Inc.’s stock is down 5.07%.

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What Caused AnaptysBio, Inc. Stock’s Price to Dip?

Stock prices are primarily based on seller supply and buyer demand. But have you ever wondered about what other factors affect a stock's price?

When an analyst changes their opinion of a stock by upgrading or downgrading their rating, it often leads to a sudden stock price adjustment. As of October 08, 2026, there were 0 analysts who downgraded AnaptysBio, Inc.’s stock and 1 analyst who upgraded over the last month.

Additionally, you'll want to evaluate AnaptysBio, Inc.’s financial health and valuation. Investors can use AAII's Value Grade, which combines six key valuation metrics like P/E and P/S ratios for a comprehensive analysis to conduct analysis on AnaptysBio, Inc.’s valuation and financial health. This approach mitigates the limitations of single-metric evaluations.

AnaptysBio, Inc.’s current valuation based on AAII’s Value Grade is a D, which means it is considered to be Expensive.

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Lastly, news and media coverage as well as recent press reports about the company or its industry may cause stock prices to fluctuate. You can check out the most recent news articles about AnaptysBio, Inc. (ANAB) by visiting AAII Stock Evaluator.

Relative Price Strength of AnaptysBio, Inc.

Relative price strength measures a stock's performance against the market, helping investors identify stocks that are outperforming benchmarks.

For AAII’s Momentum Grade, a weighted relative price strength is calculated. Follow this link to learn more about the Momentum Grade.

As of October 08, 2026, AnaptysBio, Inc. has a weighted four-quarter relative price strength of 3.06%, which translates to a Momentum Score of 71 and is considered to be Strong.

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AnaptysBio, Inc. Stock Price: Bottom Line

As of October 9, 2026, AnaptysBio, Inc.’s stock price is $46.020, which is down 0.41% from its previous closing price.

AAII advises against making stock decisions based solely on price or past returns. Instead, consider a variety of metrics, fundamentals, and analytics to evaluate a stock like AnaptysBio, Inc. stock prices are influenced by market supply and demand and offer just a snapshot of a company's overall health.

Subscribing to AAII's A+ Investor provides access to comprehensive analytics and insights for confident investing.