Spero Therapeutics, Inc. - Common Stock (NQ:SPRO)Price and VolumeDetailed Quote
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Gapping stocks in Tuesday's session ↗
September 22, 2026
Via Chartmill
Performance
52-Week Range
64.3% below 52-week high
1.100
1.0852W Low
3.0852W High
1 Week
9.8% below 1-week high
1.091W Low
1.221W High
Spero Therapeutics, Inc. - Common Stock (SPRO) traded between $1.08 and $3.08 over the past 52 weeks and last traded at $1.10, 64.3% below its 52-week high. Over the past week it ranged between $1.09 and $1.22.
Past 12 Months
-6.8%
-2.7%
-23.6%
-61.3%
-53.2%
-52.0%
1W
-$0.08
1M
-$0.03
3M
-$0.34
6M
-$1.74
YTD
-$1.25
1Y
-$1.19
SPRO was -52.0% over the past year, -61.3% over six months, -53.2% year to date, -6.8% in the last week.
12 Months vs Market
SPRO
DIA
SPY
QQQ
IWM
Over the past 12 months SPRO returned -52.0% versus DIA (Dow) +11.2%, SPY (S&P 500) +13.7%, QQQ (Nasdaq 100) +16.1% and IWM (Russell 2000) +9.0%.
Volume & Liquidity
0.00× 3-mo avg
Today 205
3-mo avg 962.8K
1W
1M
3M
6M
YTD
1Y
SPRO most recently traded 205 shares against a 3-month average daily volume of 962.8K. More NewsRead More
Spero Therapeutics Q2 Earnings Call Highlights ↗
August 12, 2026
Via MarketBeat
Topics
Earnings
Earnings Scheduled For November 13, 2025 ↗
November 13, 2025
Via Benzinga
Earnings Outlook For Spero Therapeutics ↗
August 11, 2025
Via Benzinga
Top movers in Wednesday's session ↗
June 17, 2026
Via Chartmill
Spero Therapeutics Inc (NASDAQ:SPRO) Posts Q3 Revenue and EPS Beat ↗
November 13, 2025
Via Chartmill
Insights Ahead: Spero Therapeutics's Quarterly Earnings ↗
November 12, 2025
Via Benzinga
12 Health Care Stocks Moving In Tuesday's After-Market Session ↗
August 12, 2025
Via Benzinga
Earnings Scheduled For August 12, 2025 ↗
August 12, 2025
Via Benzinga
Via Benzinga
Unusual volume stocks in Friday's session ↗
May 30, 2025
Via Chartmill
Via Chartmill
Via Benzinga
Via Benzinga
Frequently Asked QuestionsIs Spero Therapeutics, Inc. - Common Stock publicly traded?
Yes, Spero Therapeutics, Inc. - Common Stock is publicly traded.
What exchange does Spero Therapeutics, Inc. - Common Stock trade on?
Spero Therapeutics, Inc. - Common Stock trades on the Nasdaq Stock Market
What is the ticker symbol for Spero Therapeutics, Inc. - Common Stock?
The ticker symbol for Spero Therapeutics, Inc. - Common Stock is SPRO on the Nasdaq Stock Market
What is the current price of Spero Therapeutics, Inc. - Common Stock?
The current price of Spero Therapeutics, Inc. - Common Stock is 1.100
When was Spero Therapeutics, Inc. - Common Stock last traded?
The last trade of Spero Therapeutics, Inc. - Common Stock was at 10/16/26 04:00 PM ET
What is the market capitalization of Spero Therapeutics, Inc. - Common Stock?
The market capitalization of Spero Therapeutics, Inc. - Common Stock is 57.83M
How many shares of Spero Therapeutics, Inc. - Common Stock are outstanding?
Spero Therapeutics, Inc. - Common Stock has 58M shares outstanding.
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