Spero Therapeutics, Inc. - Common Stock (NQ:SPRO)

1.130 UNCHANGED
Delayed Quote Updated: 4:00 PM EDT, Oct 15, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 1,454
Open 1.130
Bid (Size) 1.130 (100)
Ask (Size) 1.160 (800)
Prev. Close 1.130
Today's Range 1.130 - 1.130
52wk Range 1.080 - 3.080
Shares Outstanding 52,571,813
Dividend Yield N/A

Performance

52-Week Range 63.3% below 52-week high
1.130
1.0852W Low 3.0852W High
1 Week 7.4% below 1-week high
1.111W Low 1.221W High

Spero Therapeutics, Inc. - Common Stock (SPRO) traded between $1.08 and $3.08 over the past 52 weeks and last traded at $1.13, 63.3% below its 52-week high. Over the past week it ranged between $1.11 and $1.22.

Past 12 Months
-5.8%
N/A
-28.0%
-57.8%
-51.9%
-54.6%
1W -$0.07
1M  
3M -$0.44
6M -$1.55
YTD -$1.22
1Y -$1.36

SPRO was -54.6% over the past year, -57.8% over six months, -51.9% year to date, -5.8% in the last week.

12 Months vs Market
SPRO
-54.6%
DIA
+12.6%
SPY
+16.0%
QQQ
+20.9%
IWM
+9.9%

Over the past 12 months SPRO returned -54.6% versus DIA (Dow) +12.6%, SPY (S&P 500) +16.0%, QQQ (Nasdaq 100) +20.9% and IWM (Russell 2000) +9.9%.

Volume & Liquidity 0.00× 3-mo avg
Today 1,454 3-mo avg 1.0M
1W
411.4K
1M
842.9K
3M
1.0M
6M
1.1M
YTD
821.0K
1Y
782.5K

SPRO most recently traded 1,454 shares against a 3-month average daily volume of 1.0M.

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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 1.130
When was Spero Therapeutics, Inc. - Common Stock last traded?
The last trade of Spero Therapeutics, Inc. - Common Stock was at 10/15/26 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 59.41M
How many shares of Spero Therapeutics, Inc. - Common Stock are outstanding?
Spero Therapeutics, Inc. - Common Stock has 59M shares outstanding.
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