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Cardio Diagnostics Holdings, Inc. (CDIOW) stock

CDIOWNasdaqIn Vitro & In Vivo Diagnostic SubstancesFiscal year ends December 31Also trades as CDIO
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 7, 2026Score 4/30
$0.01+0.00 (0.00%)

Close on Oct 30, 2026Market cap $4.94MP/E –Yield –

Price history

Cardio Diagnostics share prices for every trading day, newest first. Adjusted for stock splits, not for dividends.

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Close, Oct 30, 2026
$0.0098
0.00% on the day
52-week range
$0.0052 – $0.0721
-86.4% from the high
Change over 52 weeks
-54.8%
From $0.0217 on Oct 30, 2025
Average volume
9,250
Shares a day, last 90 sessions
DateOpenHighLowCloseChangeVolume
Oct 30, 2026$0.0098$0.012$0.0098$0.00980.00%28,821
Oct 29, 2026$0.0098$0.012$0.0098$0.00980.00%15,790
Oct 28, 2026$0.0098$0.0098$0.0098$0.0098-18.33%2,515
Oct 27, 2026$0.012$0.012$0.012$0.0120.00%–
Oct 26, 2026$0.012$0.012$0.012$0.0120.00%–
Oct 23, 2026$0.012$0.012$0.012$0.0120.00%5
Oct 22, 2026$0.012$0.012$0.012$0.0120.00%209
Oct 21, 2026$0.0095$0.012$0.0094$0.012-2.44%32,285
Oct 20, 2026$0.0123$0.0123$0.0123$0.01230.00%35,216
Oct 19, 2026$0.0076$0.0123$0.0067$0.0123+92.19%66,924
Oct 16, 2026$0.0064$0.0064$0.0064$0.00640.00%1,949
Oct 15, 2026$0.008$0.0088$0.0064$0.0064-28.09%31,730
Oct 14, 2026$0.0077$0.0089$0.0076$0.0089-3.26%15,113
Oct 13, 2026$0.0075$0.0092$0.0075$0.0092+22.67%14,987
Oct 12, 2026$0.0074$0.0098$0.0074$0.0075-25.00%23,697
Oct 9, 2026$0.011$0.011$0.0052$0.01+8.70%101,301
Oct 8, 2026$0.011$0.0112$0.0092$0.0092-2.13%10,196
Oct 7, 2026$0.0118$0.0118$0.0094$0.0094-21.01%2,301
Oct 6, 2026$0.0122$0.0122$0.009$0.0119-3.25%23,494
Oct 5, 2026$0.0123$0.0123$0.0123$0.0123+23.00%1,104
Oct 2, 2026$0.01$0.01$0.01$0.010.00%–
Oct 1, 2026$0.0085$0.01$0.0083$0.01+16.28%13,581
Sep 30, 2026$0.0086$0.0086$0.0086$0.00860.00%–
Sep 29, 2026$0.009$0.009$0.0085$0.0086-14.00%45,758
Sep 28, 2026$0.01$0.01$0.01$0.010.00%15,244
Sep 25, 2026$0.01$0.01$0.01$0.010.00%–
Sep 24, 2026$0.01$0.01$0.01$0.010.00%–
Sep 23, 2026$0.01$0.0101$0.01$0.01-2.91%2,048
Sep 22, 2026$0.0102$0.0103$0.0102$0.0103-0.96%2,034
Sep 21, 2026$0.0104$0.0104$0.0104$0.01040.00%55

Seasonality

CDIOW return in each calendar month over the last 5 years, including dividends. The current month runs to the latest close.

YearJanFebMarAprMayJunJulAugSepOctNovDec
Average-14.6%73.8%0.3%-20.2%-30.6%20.2%-17.0%-2.7%-14.0%-1.6%69.2%44.3%
Months up1 of 44 of 51 of 51 of 51 of 53 of 50 of 53 of 52 of 53 of 52 of 43 of 4
2026-34.0%191.8%-66.9%-29.7%12.9%38.9%-23.1%19.3%-48.5%14.0%
2025-0.1%-51.6%-0.2%-14.3%-55.7%6.6%-10.5%10.3%27.5%6.4%-11.1%34.2%
2024-25.2%13.5%-27.9%-34.2%-35.6%-13.7%-22.4%10.9%16.1%-2.3%-21.1%176.3%
20231.0%200.2%113.1%-35.5%-46.1%69.7%-16.4%-54.0%-51.7%14.3%262.5%19.9%
202215.1%-16.7%12.5%-28.4%-0.6%-12.5%0.0%-13.5%-40.3%46.5%-53.3%