Spero Therapeutics, Inc.

SPRO·NasdaqGS
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1.1800−0.0200 (−1.67%)today
At close: Oct 12, 4:00 PM EDT · May be delayed up to 15 min · USD
After hours1.1804+0.0004 (+0.03%)Oct 12, 4:28 PM EDT

Prices may be delayed up to 15 min. Not investment advice. News volume: articles in the 4Search index each day.

Key statistics

Previous close1.2000
Open1.2000
Day range1.16501.2200
52-week range1.08003.0800
Off day high−3.28%
Off 52-week high−61.69%
Volume414.04K
Avg. volume (3M)1.20M
Market cap68.72M
EPS (TTM)0.1400
Forward P/E-1.06
P/E ratio (TTM)8.43
Dividend yield—
Beta (5Y)—
Shares outstanding58.23M
Short interest—
Earnings dateAug 12, 2026 (est.)
Analyst target—
Profit margin—

Against its peers

Compare in full ›
SPRO VERU HRTX SER TVGN NIKI
Market cap 68.72M 41.01M 78.90M 49.28M 43.49M 9.42M
P/E (TTM) 8.4 — — — — —
Forward P/E -1.1 -2.4 -3.8 -1.8 — —
Price/book 1.6 1.4 13.4 2.6 -1.5 0.1
Dividend yield — — — — — —
1-year change −47.60% −41.79% −68.46% −62.33% −81.03% −74.68%
Today −1.67% −2.24% +2.34% −3.00% −1.50% −24.50%

The closest companies by business and industry (Biotechnology). Prices may be delayed up to 15 min.

Related companies

Compare ›

The businesses closest to SPRO's by what they do, from their descriptions, with the same industry weighted in.

Company Mkt cap Price Today
Veru Inc.VERU · Biotechnology 41.01M 2.4050 −2.24%
Heron Therapeutics, Inc.HRTX · Biotechnology 78.90M 0.4156 +2.34%
Serina Therapeutics, Inc.SER · Biotechnology 49.28M 1.9400 −3.00%
Tevogen Bio Holdings Inc.TVGN · Biotechnology 43.49M 6.68 −1.50%
Niki BioSolutions, Inc.NIKI · Biotechnology 9.42M 3.0200 −24.50%
Acurx Pharmaceuticals, Inc.ACXP · Biotechnology 7.12M 1.2800 +0.79%
Seres Therapeutics, Inc.MCRB · Biotechnology 26.92M 2.6800 −1.11%
Tonix Pharmaceuticals Holding Corp.TNXP · Biotechnology 113.88M 6.64 −9.04%

From the 4Search instruments index: what each company does (its business description), its industry, size, headquarters and the markets it serves; and from a year of daily prices, which move together. Prices may be delayed up to 15 min.

Latest news

All SPRO news ›

No recent coverage in the 4Search index.

From articles in the 4Search news index.

Market data is provided for information only and comes from free public sources. Prices may be delayed up to 15 minutes; data may be incomplete or inaccurate. Nothing on this page is investment advice or a recommendation to buy or sell any security. News and coverage analytics are drawn from the 4Search index. Terms of use.