Boundless Bio, Inc. (BOLD)

NASDAQ

$2.43

$-0.10

(-3.87%)

Previous Close: ⁦$2.43⁩

Market Closed

Boundless Bio, Inc. (BOLD) Live Price Chart

Last updated: ⁦2026-10-22 04:30:20⁩. Prices reflect the latest closing data and will resume updating on the next trading day. Stock price data is sourced from Massive.

Summary

Boundless Bio, Inc. (BOLD) operates in the PHARMACEUTICAL PREPARATIONS sector and is listed on NASDAQ. The stock is currently priced at $2.43, with a market capitalization of $53.38M and a P/E ratio of --. Over the past 52 weeks, its price has ranged from $0.96 to $3.16. This page covers its latest market performance, valuation, price trends and company information.

Key Market Data

Market Cap	$53.38M
Open	$2.53
Day's High	$60.00
Day's Low	$0.96
Previous Close	$2.43
Volume	60.76K
Average Volume	187.29K
P/E Ratio	--
52-Week High	$3.16
52-Week Low	$0.96
Dividend Yield	--
Earnings Date	--

Boundless Bio, Inc. (BOLD) Latest Closing Stock Price

Boundless Bio, Inc. (BOLD) last closed at $2.43 as of 2026-10-21 23:31:00, unchanged from the previous close of $2.43.

During the latest regular trading session, BOLD traded between $0.96 and $60.00, with a volume of 60.76K shares. The closing price was near the lower end and near the upper end of its 52-week range.

Boundless Bio, Inc. (BOLD) 7-Day Stock Price Change

Over the past seven days, Boundless Bio, Inc. (BOLD) moved from $2.55 to $2.43, representing a decline of 4.63% ($0.12).

The stock traded between $2.28 and $2.69 during the period. The latest price is near the middle of the 7-day range, indicating moderate downward.

The average daily volume was 265.15 thousand shares, up versus the previous seven-day period, indicating higher trading activity.

BOLD 52-Week Price Position

Position in Range: 66.8%

52W Low$0.96

52W High$3.16

BOLD is currently trading at $2.43, placing it 66.8% of the way from its 52-week low of $0.96 to its 52-week high of $3.16. This percentage reflects the stock's relative position within its 52-week trading range, not its valuation or future performance.

What is Boundless Bio, Inc. (BOLD)?

Boundless Bio Inc is a clinical-stage oncology company. It is focused on developing cancer therapeutics that address the unmet need in patients with oncogene-amplified tumors by targeting extrachromosomal DNA (ecDNA), a root cause of oncogene amplification observed in cancer patients. Using its proprietary Spyglass platform, the company identifies targets essential for ecDNA functionality, then designs and develops small-molecule drugs called ecDNA-directed therapies (ecDTx) to inhibit those targets. Its main ecDTx candidate under development, BBI-940, is a novel, oral, selective degrader that has demonstrated potent anti-tumor activity across a range of cancer cell lines and mouse xenograft models, including single-agent tumor regressions.

Boundless Bio, Inc. Information

Industry	PHARMACEUTICAL PREPARATIONS
Employees	28
Exchange	NASDAQ
Company Website	https://www.boundlessbio.com

How to Buy Boundless Bio, Inc. (BOLD) Stock on MEXC

Eligible investors can buy real shares of Boundless Bio, Inc. (BOLD) through MEXC RealStocks. Follow these three steps to open a RealStocks account, transfer USDT, and place a US stock order.

Step 1: Open and Verify Your RealStocks Account

Log in to the MEXC App, go to Trade → RealStocks, and select Open Account. Complete the required account-opening and identity verification process with MEXC's partner licensed broker.

Step 2: Transfer USDT to Your RealStocks Account

Go to Wallets → RealStocks and transfer USDT from your Spot Account to your RealStocks Account. RealStocks are quoted in USD, while account funding can be completed using USDT.

Step 3: Search for BOLD and Place Your Order

Open the RealStocks trading page and search for BOLD. Select a market or limit order, enter the price and quantity as required, review the order details, and submit your order. Once filled, the corresponding real shares will be held in your RealStocks Account.

Frequently Asked Questions (FAQ)

1.What is Boundless Bio, Inc. (BOLD) stock price today?

Boundless Bio, Inc. (BOLD) is currently trading at $ 2.43, up 0.08% ($0.00) from the previous close of $ 2.43. Intraday prices update in real time during regular trading hours.

2.Is BOLD stock going up or down today?

As of 2026-10-21 23:31:00, BOLD is trading at $ 2.43, up 0.08% ($0.00) from its previous close of $ 2.43. The stock has traded between $ 0.96 and $ 60.00 during today’s regular session. Past price movements do not guarantee future results.

3.What is BOLD pre-market price?

As of 2026-10-21 23:31:00, BOLD is trading at $ 2.50 in pre-market trading, up 2.88% ($0.07) from the previous close of $ 2.43. Pre-market prices reflect trading activity before the regular session opens and may experience lower liquidity and higher volatility.

4.What is BOLD after-hours price?

As of 2026-10-21 23:31:00, BOLD is trading at $ 2.44 in after-hours trading, up 0.41% ($0.01) from the regular-session close of $ 2.43. After-hours prices may differ from the regular session’s opening price due to lower liquidity and wider bid-ask spreads.

5.Is BOLD stock trading now?

BOLD trades on the NASDAQ exchange during regular hours, Monday through Friday, 9:30 AM to 4:00 PM ET, excluding public holidays. Pre-market and after-hours trading are also available through select brokers outside these hours.

6.Where does BOLD sit relative to its 52-week high and low?

Over the past 52 weeks, BOLD has traded between a low of $ 0.96 and a high of $ 3.16. At $ 2.43, the stock is positioned 66.8% of the way from its 52-week low to its 52-week high, providing context for its current price within the one-year trading range.

7.What sector is Boundless Bio, Inc. in?

Boundless Bio, Inc. (BOLD) operates in the PHARMACEUTICAL PREPARATIONS sector. Sector classification helps investors compare it with companies exposed to similar market trends and competitive conditions.

8.What is Boundless Bio, Inc.'s market capitalization and where is it listed?

Boundless Bio, Inc. is listed on the NASDAQ exchange with a market capitalization of $ 53.38M. Market cap reflects the total market value of all outstanding shares and is commonly used to classify stocks by size.

9.How is BOLD valued in terms of P/E ratio and EPS?

BOLD trades at a P/E ratio of --, based on trailing-twelve-month EPS of $ -2.77. P/E ratio compares the stock price to earnings per share and is a common starting point for assessing valuation relative to peers.

10.Does Boundless Bio, Inc. pay a dividend?

Boundless Bio, Inc. pays an indicated annual cash dividend of $ 0.00 per share, with a current dividend yield of 0.00% based on the latest share price. Dividend policies are subject to change at the board's discretion.