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

1.180 +0.020 (+1.72%)
Delayed Quote Updated: 1:54 PM EDT, Oct 6, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 281,547
Open 1.210
Bid (Size) 1.180 (1,100)
Ask (Size) 1.190 (1,400)
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

Performance

52-Week Range 61.7% below 52-week high
1.180
1.0852W Low 3.0852W High
1 Week 9.9% 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 $1.18, 61.7% below its 52-week high. Over the past week it ranged between $1.15 and $1.31.

Past 12 Months
-1.7%
-0.8%
-46.1%
-54.8%
-49.8%
-43.5%
1W -$0.02
1M -$0.01
3M -$1.01
6M -$1.43
YTD -$1.17
1Y -$0.91

SPRO was -43.5% over the past year, -54.8% over six months, -49.8% year to date, -1.7% in the last week.

12 Months vs Market
SPRO
-43.5%
DIA
+10.2%
SPY
+16.2%
QQQ
+25.3%
IWM
+14.1%

Over the past 12 months SPRO returned -43.5% versus DIA (Dow) +10.2%, SPY (S&P 500) +16.2%, QQQ (Nasdaq 100) +25.3% and IWM (Russell 2000) +14.1%.

Volume & Liquidity 0.24× 3-mo avg
Today 281,547 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 281,547 shares against a 3-month average daily volume of 1.2M.

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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 1.180
When was Spero Therapeutics, Inc. - Common Stock last traded?
The last trade of Spero Therapeutics, Inc. - Common Stock was at 10/06/26 01:54 PM ET
What is the market capitalization of Spero Therapeutics, Inc. - Common Stock?
The market capitalization of Spero Therapeutics, Inc. - Common Stock is 62.03M
How many shares of Spero Therapeutics, Inc. - Common Stock are outstanding?
Spero Therapeutics, Inc. - Common Stock has 62M shares outstanding.
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