Spero Therapeutics, Inc. - Common Stock (NQ:SPRO)
Price and Volume
Detailed Quote| Volume | 316,553 |
| Open | 1.130 |
| Bid (Size) | 1.100 (5,300) |
| Ask (Size) | 1.110 (1,400) |
| Prev. Close | 1.130 |
| Today's Range | 1.100 - 1.130 |
| 52wk Range | 1.080 - 3.080 |
| Shares Outstanding | 52,571,813 |
| Dividend Yield | N/A |
Top News
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Gapping stocks in Tuesday's session ↗
September 22, 2026
Performance
52-Week Range
64.0% below 52-week high
1.110
1.0852W Low
3.0852W High
1 Week
10.5% 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 $1.11, 64.0% below its 52-week high. Over the past week it ranged between $1.09 and $1.24.
Past 12 Months
1W
-$0.01
1M
-$0.14
3M
-$0.07
6M
-$1.56
YTD
-$1.24
1Y
-$1.10
SPRO was -49.8% over the past year, -58.4% over six months, -52.8% year to date, -0.9% in the last week.
12 Months vs Market
SPRO
-49.8%
DIA
+10.4%
SPY
+12.2%
QQQ
+14.1%
IWM
+10.6%
Over the past 12 months SPRO returned -49.8% versus DIA (Dow) +10.4%, SPY (S&P 500) +12.2%, QQQ (Nasdaq 100) +14.1% and IWM (Russell 2000) +10.6%.
Volume & Liquidity
0.48× 3-mo avg
Today 316,553
3-mo avg 654.7K
1W
333.5K
1M
481.1K
3M
654.7K
6M
1.1M
YTD
806.8K
1Y
727.4K
SPRO most recently traded 316,553 shares against a 3-month average daily volume of 654.7K.
More News
Read 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 Questions
Is 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 1.110
When was Spero Therapeutics, Inc. - Common Stock last traded?
The last trade of Spero Therapeutics, Inc. - Common Stock was at 10/23/26 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 58.35M
How many shares of Spero Therapeutics, Inc. - Common Stock are outstanding?
Spero Therapeutics, Inc. - Common Stock has 58M shares outstanding.
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