Spero Therapeutics, Inc. - Common Stock (NQ:SPRO)
Price and Volume
Detailed Quote| Volume | 346,938 |
| Open | 1.210 |
| Bid (Size) | 1.180 (1,900) |
| Ask (Size) | 1.190 (400) |
| Prev. Close | 1.160 |
| Today's Range | 1.180 - 1.236 |
| 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
Via Chartmill
Performance
52-Week Range
61.4% below 52-week high
1.190
1.0852W Low
3.0852W High
1 Week
9.2% below 1-week high
1.151W Low
1.311W High
Spero Therapeutics, Inc. - Common Stock (SPRO) traded between $1.08 and $3.08 over the past 52 weeks and last traded at $1.19, 61.4% below its 52-week high. Over the past week it ranged between $1.15 and $1.31.
Past 12 Months
-0.8%
N/A
-45.7%
-54.4%
-49.4%
-43.1%
1W
-$0.01
1M
3M
-$1.00
6M
-$1.42
YTD
-$1.16
1Y
-$0.90
SPRO was -43.1% over the past year, -54.4% over six months, -49.4% year to date, -0.8% in the last week.
12 Months vs Market
SPRO
-43.1%
DIA
+10.2%
SPY
+16.0%
QQQ
+25.0%
IWM
+14.0%
Over the past 12 months SPRO returned -43.1% versus DIA (Dow) +10.2%, SPY (S&P 500) +16.0%, QQQ (Nasdaq 100) +25.0% and IWM (Russell 2000) +14.0%.
Volume & Liquidity
0.29× 3-mo avg
Today 346,938
3-mo avg 1.2M
1W
756.3K
1M
894.3K
3M
1.2M
6M
1.1M
YTD
837.9K
1Y
789.6K
SPRO most recently traded 346,938 shares against a 3-month average daily volume of 1.2M.
More News
Read 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 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 1.190
When was Spero Therapeutics, Inc. - Common Stock last traded?
The last trade of Spero Therapeutics, Inc. - Common Stock was at 10/06/26 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 62.56M
How many shares of Spero Therapeutics, Inc. - Common Stock are outstanding?
Spero Therapeutics, Inc. - Common Stock has 63M shares outstanding.
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