NASDAQ · BJDXHealthcareSurgical Instruments

Bluejay Diagnostics, Inc. Common Stock (BJDX)

$2.21−73.94%
Close Nov 3, 2026 · split-adjusted
Nov 3, 2026$2.25▼ 92.10% in range
Nov 3, 2025Low $2.16 · High $28.64Nov 3, 2026
What changed · written from our data
As of Nov 3, 2026

Bluejay Diagnostics closed at $2.21 on Nov 3, down 73.94%, within 2.3% of its 52-week closing low. Volume of 446.3K shares was 1.00× its 20-day average (close to normal).

Split-adjusted performance: -27.4% over one month, -71.4% over six months, -93.0% over one year.

Short interest was 144.4K shares at the Oct 15 settlement (3.6% of float, 1.0 days to cover).

Market cap$2.5M1.1M shares
Revenue · quarter$0.00—
Diluted EPS$-1.12—
P/E · TTM—
Net margin—
Dividend yieldNone
52-week range2.16 – 31.52−93.0% from high
Volume446.3K1.00× 20-day avg
Volatility · 60d396.8%Annualised
Short % of float3.6%1.0 days to cover
Net cash$9.6MCash $9.6M
Next earnings—Not scheduled
Split-adjusted performance
1W −4.3%1M −27.4%3M −55.4%6M −71.4%YTD −79.3%1Y −93.0%3Y −100.0%5Y —

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Surgical Instruments

Percentile among 110 companies (100 = best)

6-month momentum12
Revenue growth—
Net margin—
Value (low P/E)—
Size6

Industry medians: 6-month return −9.7%, revenue growth +8.9%, net margin −8.2%, P/E 28.1×.

Short interest

Details →
Shares short144.4K+0.5% vs prior
Days to cover1.0Settled Oct 15
% of float3.6%
Short vol. 10d21.8%of daily volume

Closest peers by size in Surgical Instruments

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
BJDXBluejay Diagnostics$2.21−73.94%−71.4%———$2.5M
ADGMAdagio Medical Holdings$0.0862−0.92%−91.2%———$2.4MCompare
XAIRBeyond Air$2.32+4.98%−80.0%+0.5%−448.8%—$2.3MCompare
IVFINVO Fertility$1.94+6.01%−74.3%+16.7%40.9%—$2.2MCompare
VVOSVivos Therapeutics$0.1098+1.39%−84.5%+34.9%−106.4%—$2.2MCompare
NXGLNexGel$4.48+18.21%−62.1%+27.8%−98.6%—$2.2MCompare
AMIXAutonomix Medical$1.66−1.19%−79.1%———$3.3MCompare
CODXCo-Diagnostics$0.3800+7.56%—+2.0%−3782.4%—$3.4MCompare
AEMDAETHLON MEDICAL$5.80+9.64%−50.8%———$4.1MCompare

Quick answers

What does Bluejay Diagnostics do?
Bluejay Diagnostics Inc is a medical diagnostics company focused on improving patient outcomes using its Symphony System, a cost-effective, rapid, near-patient testing system for sepsis triage and monitoring of disease progression. Bluejay's first product candidate, an IL-6 Test for sepsis, is designed to provide accurate, reliable results in approximately 20 minutes from sample-to-result to help medical professionals make earlier and quicker triage/treatment decisions.
What is BJDX's market cap?
$2.47M, based on the Nov 3 close of $2.21.
Does Bluejay Diagnostics pay a dividend?
No regular cash dividend has been paid in the last year.
How much of BJDX is sold short?
144.4K shares, 3.6% of float, as of Oct 15, 2026.
What sector is BJDX in?
Healthcare, in the Surgical Instruments industry.

About Bluejay Diagnostics

Bluejay Diagnostics Inc is a medical diagnostics company focused on improving patient outcomes using its Symphony System, a cost-effective, rapid, near-patient testing system for sepsis triage and monitoring of disease progression. Bluejay's first product candidate, an IL-6 Test for sepsis, is designed to provide accurate, reliable results in approximately 20 minutes from sample-to-result to help medical professionals make earlier and quicker triage/treatment decisions.

HQ: Acton, MA6 employeesListed Nov 10, 2021bluejaydx.com

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology