Spero Therapeutics, Inc. - Common Stock (NQ:SPRO)Price and VolumeDetailed Quote
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Gapping stocks in Tuesday's session ↗
September 22, 2026
Performance
52-Week Range
60.4% below 52-week high
1.220
1.0852W Low
3.0852W High
1 Week
1.6% below 1-week high
1.091W Low
1.241W High
Spero Therapeutics, Inc. - Common Stock (SPRO) traded between $1.08 and $3.08 over the past 52 weeks and last traded at $1.22, 60.4% below its 52-week high. Over the past week it ranged between $1.09 and $1.24.
Past 12 Months
1W
+$0.10
1M
+$0.08
3M
-$0.16
6M
-$1.58
YTD
-$1.13
1Y
-$1.07
SPRO was -46.7% over the past year, -56.4% over six months, -48.1% year to date, +8.9% in the last week.
12 Months vs Market
SPRO
DIA
SPY
QQQ
IWM
Over the past 12 months SPRO returned -46.7% versus DIA (Dow) +12.3%, SPY (S&P 500) +14.6%, QQQ (Nasdaq 100) +17.3% and IWM (Russell 2000) +11.1%.
Volume & Liquidity
0.73× 3-mo avg
Today 679,286
3-mo avg 935.2K
1W
1M
3M
6M
YTD
1Y
SPRO most recently traded 679,286 shares against a 3-month average daily volume of 935.2K. More NewsRead More
Spero Therapeutics (SPRO) Q2 2026 Earnings Call Transcript ↗
August 19, 2026
Earnings Scheduled For November 13, 2025 ↗
November 13, 2025
Earnings Outlook For Spero Therapeutics ↗
August 11, 2025
Spero Therapeutics Q2 Earnings Call Highlights ↗
August 12, 2026
Top movers in Wednesday's session ↗
June 17, 2026
Spero Therapeutics Inc (NASDAQ:SPRO) Posts Q3 Revenue and EPS Beat ↗
November 13, 2025
Insights Ahead: Spero Therapeutics's Quarterly Earnings ↗
November 12, 2025
12 Health Care Stocks Moving In Tuesday's After-Market Session ↗
August 12, 2025
Earnings Scheduled For August 12, 2025 ↗
August 12, 2025
Unusual volume stocks in Friday's session ↗
May 30, 2025
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 1.220
When was Spero Therapeutics, Inc. - Common Stock last traded?
The last trade of Spero Therapeutics, Inc. - Common Stock was at 10/20/26 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 64.14M
How many shares of Spero Therapeutics, Inc. - Common Stock are outstanding?
Spero Therapeutics, Inc. - Common Stock has 64M shares outstanding.
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