Spero Therapeutics, Inc. - Common Stock (NQ:SPRO)
Price and Volume
Detailed Quote| Volume | 42,648 |
| Open | 1.210 |
| Bid (Size) | 1.190 (700) |
| Ask (Size) | 1.200 (700) |
| Prev. Close | 1.220 |
| Today's Range | 1.190 - 1.220 |
| 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
61.2% below 52-week high
1.195
1.0852W Low
3.0852W High
1 Week
3.6% 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 $1.20, 61.2% below its 52-week high. Over the past week it ranged between $1.09 and $1.24.
Past 12 Months
1W
+$0.07
1M
+$0.06
3M
-$0.18
6M
-$1.60
YTD
-$1.16
1Y
-$1.09
SPRO was -47.8% over the past year, -57.3% over six months, -49.1% year to date, +6.7% in the last week.
12 Months vs Market
SPRO
-47.8%
DIA
+12.3%
SPY
+14.8%
QQQ
+18.3%
IWM
+11.5%
Over the past 12 months SPRO returned -47.8% versus DIA (Dow) +12.3%, SPY (S&P 500) +14.8%, QQQ (Nasdaq 100) +18.3% and IWM (Russell 2000) +11.5%.
Volume & Liquidity
0.05× 3-mo avg
Today 42,648
3-mo avg 935.1K
1W
434.9K
1M
876.5K
3M
935.1K
6M
1.1M
YTD
815.0K
1Y
780.7K
SPRO most recently traded 42,648 shares against a 3-month average daily volume of 935.1K.
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 1.195
When was Spero Therapeutics, Inc. - Common Stock last traded?
The last trade of Spero Therapeutics, Inc. - Common Stock was at 10/21/26 11:05 AM ET
What is the market capitalization of Spero Therapeutics, Inc. - Common Stock?
The market capitalization of Spero Therapeutics, Inc. - Common Stock is 62.82M
How many shares of Spero Therapeutics, Inc. - Common Stock are outstanding?
Spero Therapeutics, Inc. - Common Stock has 63M shares outstanding.
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