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SPRO Stock Quote — Spero Therapeutics Inc

Spero Therapeutics Inc (SPRO) last trade on NASDAQ is $1.19 (-0.83% on the session). This is the quote page — last, open, previous close, day range, and volume — not the SPRO analysis write-up.

Session tape: open $1.22, previous close $1.22, day range $1.20–$1.24, session volume 363.5K shares. SPRO currently screens at market cap $149.5M and trailing P/E 9.6. Volume and range describe liquidity and the day’s auction — they are not a thesis on Spero Therapeutics Inc.

Regular US cash hours are 9:30 a.m. to 4:00 p.m. Eastern. Pre-market and after-hours prints can gap SPRO versus the official close. For what Spero Therapeutics Inc said in the latest filing, open the SPRO SEC page. For revenue, margins, and the research write-up, open the SPRO stock page. This quote URL stays a distinct money page so it does not dilute that analysis.

Market Open - Live Quote
Current Price
$1.19
-0.01(-0.83%)
Open
$1.22
Previous Close
$1.22
Day Low
$1.20
Day High
$1.24
Volume
0.36M
Market Cap
$149.53M
P/E Ratio
9.56
Exchange
NASDAQ

About Spero Therapeutics Inc

Spero Therapeutics, Inc., a clinical-stage biopharmaceutical company, focuses on identifying and developing novel treatments for multi-drug resistant (MDR) bacterial infections and rare diseases in the United States. The company's product candidates include Tebipenem HBr (tebipenem pivoxil hydrobromide), an oral carbapenem-class antibiotic to treat complicated urinary tract infections, including pyelonephritis for adult patients, which has completed second Phase 3 trial. It has license agreement...

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Frequently Asked Questions

What is SPRO stock quote?

SPRO (Spero Therapeutics Inc) stock is currently quoted at $1.19. Stock quotes represent the current market price at which shares are available for trading during market hours.

What is SPRO stock price right now?

SPRO is trading at $1.19 (-0.01, -0.83%) as of the latest market data. Prices update in real-time during trading hours.

How do I get a live SPRO quote?

Get live SPRO quotes on this page during market hours: current price, daily change, volume, market cap, and the session range.

What does SPRO's stock quote include?

SPRO stock quote includes current price, daily price change ($ and %), opening price, previous close, day's high/low, 52-week high/low, trading volume, market capitalization, and bid/ask spreads. This gives you a complete snapshot of current market activity.

Is SPRO stock quote updated in real-time?

Yes, SPRO stock quotes are updated in real-time during market hours (9:30 AM - 4:00 PM ET, Monday-Friday). Pre-market (4:00-9:30 AM) and after-hours (4:00-8:00 PM) quotes are also available for extended trading sessions.

What is SPRO's current trading volume?

SPRO current trading volume is 0.36 million shares. Trading volume indicates market activity and liquidity - higher volume typically means easier buying and selling.

Where can I see SPRO historical quotes?

View SPRO historical stock quotes on our platform with daily, weekly, and monthly data going back multiple years. Historical quotes help analyze price trends, volatility patterns, and long-term performance.

What is the difference between SPRO bid and ask price?

The bid price is what buyers are willing to pay for SPRO, while the ask price is what sellers want. The difference (spread) indicates liquidity - narrower spreads typically mean more liquid stocks with lower trading costs.

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