SPRO (Spero Therapeutics) Short Ratio


SPRO Spero Therapeutics Inc SPRO
55 GF Score
Price $2.29
GF Value $1.06
Valuation Significantly Overvalued
! 4 Warning Signs
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What is Spero Therapeutics Short Ratio?

Short Ratio is a metric signaling prevailing investors' sentiment with a company. It represents the number of days it takes short sellers on average to repurchase all the shares short.

Due to the license agreement change with our data vendor, Short Interest related data on GuruFocus will no longer be updated. Existing data will remain as-is, while new data will not be available, except for certain Australian and Canadian stocks.

SPRO
55GF Score
Spero Therapeutics Inc SPRO
Short Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Is Spero Therapeutics (SPRO) Overvalued in 2026?

Based on GuruFocus' analysis, Spero Therapeutics stock appears to be overvalued. The current stock price of $2.29 is trading 115.6% above its estimated GF Value™ of $1.06. GuruFocus considers Spero Therapeutics to be Significantly Overvalued.

Key valuation signals for SPRO:

  • Short Ratio:
  • GF Value™: $1.06 vs. price of $2.29 (115.6% above fair value)
  • GF Score™: 55/100 with 4 warning signs

No single metric tells the full story. See the SPRO stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Spero Therapeutics Business Description

Other Exchanges 2HA:Germany
Address 675 Massachusetts Avenue, 14th Floor, Cambridge, MA, USA, 02139
Spero Therapeutics Inc is a clinical-stage biopharmaceutical firm. It focuses on identifying, developing, and commercializing novel treatments for MDR (Multi-drug-resistant) bacterial infections and rare diseases. The company's product candidate, tebipenem pivoxil hydrobromide or tebipenem HBr, is designed to be an oral carbapenem-class antibiotic for use in adults to treat MDR Gram-negative infections. It is also developing SPR720, a novel oral antibiotic designed for the treatment of a rare, orphan disease caused by pulmonary non-tuberculous mycobacterial infections, or NTM disease. It is also focused on SPR206, a next-generation polymyxin investigational product candidate being developed as an IV-administered medicine to treat MDR Gram-negative infections in the hospital.
55GF Score

Get the complete analysis for SPRO

Short Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$2.29
Price
$1.06
GF Value