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Spero Therapeutics, Inc. logo

Spero Therapeutics, Inc. (SPRO) Stock Ticker

NASDAQ: SPRO · Healthcare · Biotechnology
$1.23-1.60%
USD · as of 2026-09-27 · market cap $71.2M
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SPRO right now

Options price it to move more than 9 in 10 stocks.
Options expect by Oct 6±15.4%
Options expect by Oct 29±31.8%
Priced in for Nov 12 earnings±38.6%
IV rank (30-day)92% · rich
From Tickr's live models · 2026-09-29. Not investment advice.

Market factors today

Tickr 500 vs S&P 500+0.49%+1.0% MTD
Momentum L/S+1.35%+15.1% MTD
High-beta momo L/S+1.46%+22.2% MTD
Rate sensitivity L/S+1.91%+6.9% MTD
Oil sensitivity L/S-2.54%-5.3% MTD
Unprofitable tech-1.43%+3.7% MTD

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About Spero Therapeutics, Inc.

Spero Therapeutics, Inc. is a biopharmaceutical firm in the clinical development stage, primarily focused on discovering, advancing, and commercializing innovative treatments for multi-drug resistant (MDR) bacterial infections and rare diseases within the United States. The company's pipeline includes several key therapeutic candidates: tebipenem pivoxil hydrobromide (HBr), an oral carbapenem-class antibiotic designed to address complicated urinary tract infections (cUTIs), including pyelonephritis, in adult patients. SPR206, an intravenously administered agent specifically developed to combat MDR Gram-negative bacterial infections in hospital environments. SPR720, an oral antibiotic targeting non-tuberculous mycobacterial (NTM) pulmonary disease. Spero Therapeutics has also forged several strategic alliances: A licensing agreement with Meiji Seika Pharma Co., Ltd. supports the ongoing development of tebipenem HBr. A separate licensing deal with Everest Medicines grants rights for the development, manufacturing, and commercialization of SPR206 across Greater China, South Korea, and various Southeast Asian nations. The company collaborates with the Bill & Melinda Gates Medical Research Institute to advance SPR720 for treating lung infections caused by Mycobacterium tuberculosis. Furthermore, a licensing agreement with Vertex Pharmaceuticals Incorporated covers patents associated with SPR720 and its active metabolite, SPR719. Founded in 2013, Spero Therapeutics maintains its corporate headquarters in Cambridge, Massachusetts.

SPRO stock facts

Ticker symbolSPRO
ExchangeNASDAQ Global Select
SectorHealthcare
IndustryBiotechnology
Market cap$71.2M
CEOEsther Rajavelu
Employees25
HeadquartersCambridge, MA, US
IPO date2017-11-02
Websitesperotherapeutics.com

What you can see for SPRO on Tickr

Live SPRO price chart with overlays, the options chain, implied move, IV rank, options flow and Strategy Lab, financial statements and consensus estimates, analyst ratings, catalysts, news with AI scoring, and an AI chat that has read the SPRO report.

Rankings

Largest Healthcare companiesLargest companies by market cap

FAQ

What is the ticker symbol for Spero Therapeutics, Inc.?

The ticker symbol for Spero Therapeutics, Inc. is SPRO, listed on the NASDAQ Global Select.

What is SPRO?

Spero Therapeutics, Inc. is a biopharmaceutical firm in the clinical development stage, primarily focused on discovering, advancing, and commercializing innovative treatments for multi-drug resistant (MDR) bacterial infections and rare diseases within the United States. The company's pipeline includes several key therapeutic candidates: tebipenem pivoxil hydrobromide (HBr), an oral…

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