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BJDX

Bluejay Diagnostics, Inc.Closed

0.8323+0.04 +5.06%USD

NasdaqCM · as of Oct 13, 16:00 ET · 15m delayAfter hours 0.7933 −4.69%

Open

0.8060

Prev close

0.7922

Day range

0.78300.8323

52-week range

0.755015.12

Volume

332.99K0.09×

Mkt cap

3.72M

P/E ttm

—

Fwd P/E

-2.60

EPS ttm

-3.76

Div yield

0.00%

Earnings

—

From 52w high

−94.49%

Price Chart

Yahoo Finance · delayed

BJDXOct 13, 2026O 0.8060H 0.8320L 0.7830C 0.8320+0.0400 (+5.05%)Vol 335.00K

SMA 500.9260
SMA 2001.9780

1Y change −92.70% since Oct 13, 2025 close539 bars loadedTimes in America/New_YorkDraw from the left toolbar · click a drawing to edit · right-click for alerts and export

BJDX Bluejay Diagnostics, Inc. · Last Guard Finance

DES

Key Statistics

Yahoo Finance

Performance

1 week: +2.59%
1 month: −7.25%
3 months: −33.44%
6 months: −55.27%
Year to date: −68.82%
1 year: −92.70%

Valuation & ownership

Market cap: 3.72M
Enterprise value: −5.80M
P/E (ttm): —
Forward P/E: -2.60
PEG ratio: —
Price / book: 0.18
Price / sales (ttm): —
EV / EBITDA: 0.80
EPS (ttm): -3.76
EPS (forward): -0.3200
Beta (5y monthly): 0.89
Dividend yield: 0.00%
Payout ratio: 0.00%
Shares outstanding: 4.47M
Float: 4.38M
Short % of float: 3.26%
Short ratio (days): 0.05
Held by insiders: 2.03%
Held by institutions: 9.79%
Avg volume (3m): 3.57M
50-day average: 0.9282
200-day average: 1.99
52-week change: −92.70%
S&P 500 52-week: +17.03%

Technicals (daily)

RSI (14): 44.4
vs 50-day SMA: −10.16%
vs 200-day SMA: −57.94%
50 / 200-day trend: ▼ 50 below 200
MACD vs signal: ▲ above
ATR (14) % of price: 8.95%
Realised vol (20d, ann.): 81.3%
From 52-week high: −94.50%
From 52-week low: +10.20%

ANR

Analyst Consensus

No analyst coverage for this instrument.

Financial Snapshot

Full statements →trailing twelve months

Revenue (ttm): —
Revenue growth (yoy): —
Earnings growth (yoy): —
Gross margin: 0.00%
Operating margin: 0.00%
Profit margin: 0.00%

DES

About Bluejay Diagnostics, Inc.

Yahoo Finance profile

Bluejay Diagnostics, Inc. operates as a medical diagnostics company. It offers Symphony technology platform which consists of an analyzer and single-use protein detection cartridges that are designed to provide measurements of key diagnostic biomarkers found in blood; and Symphony analyzer used to orchestrate sample processing of whole blood, plasma, serum, etc., biomarker isolation, and immunoassay preparation using non-contact centrifugal force. The company also develops Symphony IL-6 tests for the monitoring of disease progression in critical care settings. In addition, it develops additional tests for Symphony, such as tests for myocardial infraction and congestive heart failure, as well as other tests using the Symphony platform. Bluejay Diagnostics, Inc. was incorporated in 2015 and is headquartered in Acton, Massachusetts.

Sector: Healthcare
Industry: Medical Devices
Employees: 6
Headquarters: Acton, MA, United States
Website: bluejaydx.com
Officers: Mr. Indranil Dey Principal Financial, Accounting & Executive Officer, President, CEO and Director
Mr. Kevin Vance Chief Commercial Officer
Mr. Mark W. Feinberg M.D., Ph.D. Chief Medical Advisor
Dr. Mark W. Feinberg M.D. Chief Medical Advisor

SEAS

Seasonality · BJDX

2021–2026 · monthly returns

Strongest month Feb +8.21%Weakest month Apr −27.55%Averages use completed years only. Past seasonality doesn't predict future returns.

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
2026	35.7	-43.4	-10.2	-1.6	18.2	-43.9	-28.3	1.2	-1.7	-2.7			−68.8%
2025	-24.4	16.3	-12.9	-48.8	-16.8	8.2	-12.8	-9.3	11.7	29.6	-34.0	-48.7	−86.3%
2024	-34.3	-1.5	1.8	-39.0	8.2	-83.5	-31.3	-61.0	-32.1	-31.5	-19.5	39.1	−99.0%
2023	12.9	55.0	-38.5	-26.9	-21.1	11.4	21.7	-8.4	-26.1	-20.1	-6.6	-62.2	−83.9%
2022	-35.5	-37.0	7.7	4.5	-8.5	-0.9	6.6	-8.8	-24.3	6.3	-18.0	-44.1	−85.2%
2021												-10.8	−10.8%

INSD

Insider Activity · BJDX

Market-wide insider buying →Congress trades →SEC Form 4 filings via Yahoo Finance

Buys, 6 months

154.5K shares

Sells, 6 months

34.9K shares

Net shares

+119.6K

Net change in insider shares

−414.80%

Date	Insider	Transaction	Shares	Value
Aug 16, 2026	Dey IndranilChief Executive Officer	Stock Award(Grant) at price 0.00 per share.	28K	—
Jul 9, 2026	Hrt Financial L.PBeneficial Owner of more than 10% of a Class of Security	Sale at price 1.40 per share.	34.9K	$48.91K
Jul 8, 2026	Hrt Financial L.PBeneficial Owner of more than 10% of a Class of Security	Purchase at price 1.51 per share.	64K	$96.71K
Mar 12, 2026	Zeidman Frederick SchwartzDirector	Purchase at price 2.00 per share.	12.5K	$25.00K
Mar 12, 2026	Chase Donald RDirector	Purchase at price 2.00 per share.	12.5K	$25.00K
Mar 12, 2026	Wurth Douglas ClarkDirector	Purchase at price 2.00 per share.	12.5K	$25.00K
Mar 12, 2026	Dey SvetlanaDirector	Purchase at price 2.00 per share.	12.5K	$25.00K
Mar 12, 2026	Dey IndranilChief Executive Officer	Purchase at price 2.00 per share.	12.5K	$25.00K

BJDX

Price Chart

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BJDX

Price Chart

Key Statistics

Performance

Valuation & ownership

Technicals (daily)

Analyst Consensus

Financial Snapshot

About Bluejay Diagnostics, Inc.

Seasonality · BJDX

Insider Activity · BJDX

Congress Trades · BJDX

Investors Holding BJDX

Investors Holding BJDX

Congress Trades · BJDX

Insider Activity · BJDX

Seasonality · BJDX

Key Statistics

Performance

Valuation & ownership

Technicals (daily)

Analyst Consensus

Financial Snapshot

About Bluejay Diagnostics, Inc.

Earnings & Dividends

News