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

1.170 +0.040 (+3.54%)
Delayed Quote Updated: 10:51 AM EDT, Oct 16, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 97,342
Open 1.140
Bid (Size) 1.150 (900)
Ask (Size) 1.170 (300)
Prev. Close 1.130
Today's Range 1.140 - 1.170
52wk Range 1.080 - 3.080
Shares Outstanding 52,571,813
Dividend Yield N/A

Performance

52-Week Range 62.0% below 52-week high
1.170
1.0852W Low 3.0852W High
1 Week 4.1% 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 $1.17, 62.0% below its 52-week high. Over the past week it ranged between $1.11 and $1.22.

Past 12 Months
-2.5%
+3.5%
-25.5%
-56.3%
-50.2%
-53.0%
1W -$0.03
1M +$0.04
3M -$0.40
6M -$1.51
YTD -$1.18
1Y -$1.32

SPRO was -53.0% over the past year, -56.3% over six months, -50.2% year to date, -2.5% in the last week.

12 Months vs Market
SPRO
-53.0%
DIA
+13.1%
SPY
+16.1%
QQQ
+20.1%
IWM
+9.7%

Over the past 12 months SPRO returned -53.0% versus DIA (Dow) +13.1%, SPY (S&P 500) +16.1%, QQQ (Nasdaq 100) +20.1% and IWM (Russell 2000) +9.7%.

Volume & Liquidity 0.10× 3-mo avg
Today 97,342 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 97,342 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 1.170
When was Spero Therapeutics, Inc. - Common Stock last traded?
The last trade of Spero Therapeutics, Inc. - Common Stock was at 10/16/26 10:51 AM ET
What is the market capitalization of Spero Therapeutics, Inc. - Common Stock?
The market capitalization of Spero Therapeutics, Inc. - Common Stock is 61.51M
How many shares of Spero Therapeutics, Inc. - Common Stock are outstanding?
Spero Therapeutics, Inc. - Common Stock has 62M shares outstanding.
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