Spero Therapeutics, Inc. - Common Stock (NQ:SPRO)
Price and Volume
Detailed Quote| Volume | 186,809 |
| Open | 1.020 |
| Bid (Size) | 1.030 (300) |
| Ask (Size) | 1.040 (700) |
| Prev. Close | 1.020 |
| Today's Range | 1.010 - 1.050 |
| 52wk Range | 0.9610 - 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
66.6% below 52-week high
1.030
0.9652W Low
3.0852W High
1 Week
7.2% below 1-week high
0.961W Low
1.111W High
Spero Therapeutics, Inc. - Common Stock (SPRO) traded between $0.96 and $3.08 over the past 52 weeks and last traded at $1.03, 66.6% below its 52-week high. Over the past week it ranged between $0.96 and $1.11.
Past 12 Months
1W
-$0.01
1M
-$0.14
3M
-$0.23
6M
-$1.53
YTD
-$1.32
1Y
-$1.36
SPRO was -56.9% over the past year, -59.8% over six months, -56.2% year to date, -1.0% in the last week.
12 Months vs Market
SPRO
-56.9%
DIA
+9.2%
SPY
+9.7%
QQQ
+7.3%
IWM
+13.9%
Over the past 12 months SPRO returned -56.9% versus DIA (Dow) +9.2%, SPY (S&P 500) +9.7%, QQQ (Nasdaq 100) +7.3% and IWM (Russell 2000) +13.9%.
Volume & Liquidity
0.33× 3-mo avg
Today 186,809
3-mo avg 562.1K
1W
349.2K
1M
376.9K
3M
562.1K
6M
1.1M
YTD
786.1K
1Y
721.8K
SPRO most recently traded 186,809 shares against a 3-month average daily volume of 562.1K.
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 1.030
When was Spero Therapeutics, Inc. - Common Stock last traded?
The last trade of Spero Therapeutics, Inc. - Common Stock was at 11/06/26 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 54.15M
How many shares of Spero Therapeutics, Inc. - Common Stock are outstanding?
Spero Therapeutics, Inc. - Common Stock has 54M shares outstanding.
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