Spero Therapeutics, Inc. - Common Stock (NQ:SPRO)
Price and Volume
Detailed Quote| Volume | 328,414 |
| Open | 1.030 |
| Bid (Size) | 0.9900 (500) |
| Ask (Size) | 1.010 (400) |
| Prev. Close | 1.020 |
| Today's Range | 0.9900 - 1.030 |
| 52wk Range | 0.9610 - 3.080 |
| Shares Outstanding | 52,571,813 |
| Dividend Yield | N/A |
Top News
More News
Gapping stocks in Tuesday's session ↗
September 22, 2026
Performance
52-Week Range
67.5% below 52-week high
1.000
0.9652W Low
3.0852W High
1 Week
7.4% below 1-week high
0.991W Low
1.081W High
Spero Therapeutics, Inc. - Common Stock (SPRO) traded between $0.96 and $3.08 over the past 52 weeks and last traded at $1.00, 67.5% below its 52-week high. Over the past week it ranged between $0.99 and $1.08.
Past 12 Months
1W
-$0.03
1M
-$0.15
3M
-$0.24
6M
-$1.76
YTD
-$1.35
1Y
-$1.66
SPRO was -62.4% over the past year, -63.8% over six months, -57.4% year to date, -2.9% in the last week.
12 Months vs Market
SPRO
-62.4%
DIA
+8.2%
SPY
+10.8%
QQQ
+10.8%
IWM
+14.3%
Over the past 12 months SPRO returned -62.4% versus DIA (Dow) +8.2%, SPY (S&P 500) +10.8%, QQQ (Nasdaq 100) +10.8% and IWM (Russell 2000) +14.3%.
Volume & Liquidity
0.60× 3-mo avg
Today 328,414
3-mo avg 548.6K
1W
250.4K
1M
344.5K
3M
548.6K
6M
1.1M
YTD
776.5K
1Y
717.0K
SPRO most recently traded 328,414 shares against a 3-month average daily volume of 548.6K.
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 1.000
When was Spero Therapeutics, Inc. - Common Stock last traded?
The last trade of Spero Therapeutics, Inc. - Common Stock was at 11/12/26 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 52.57M
How many shares of Spero Therapeutics, Inc. - Common Stock are outstanding?
Spero Therapeutics, Inc. - Common Stock has 53M shares outstanding.
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