Cardio Diagnostics Holdings, Inc. (CDIOW) stock
CDIOWNasdaqIn Vitro & In Vivo Diagnostic SubstancesFiscal year ends December 31Also trades as CDIO
$0.01+0.00 (0.00%)
Close on Oct 30, 2026Market cap $4.94MP/E –Yield –
Price history
Cardio Diagnostics share prices for every month, newest first. Adjusted for stock splits, not for dividends.
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
| Month | Open | High | Low | Close | Change | Volume |
|---|---|---|---|---|---|---|
| Oct 2026 | $0.0085 | $0.0123 | $0.0052 | $0.0098 | +13.95% | 421,218 |
| Sep 2026 | $0.0144 | $0.0162 | $0.0085 | $0.0086 | -48.50% | 127,758 |
| Aug 2026 | $0.014 | $0.0177 | $0.0101 | $0.0167 | +19.29% | 185,284 |
| Jul 2026 | $0.0182 | $0.0182 | $0.0104 | $0.014 | -23.08% | 94,829 |
| Jun 2026 | $0.013 | $0.0498 | $0.012 | $0.0182 | +38.93% | 1,105,736 |
| May 2026 | $0.0126 | $0.0166 | $0.0115 | $0.0131 | +12.93% | 247,961 |
| Apr 2026 | $0.0165 | $0.0168 | $0.0115 | $0.0116 | -29.70% | 173,004 |
| Mar 2026 | $0.044 | $0.044 | $0.015 | $0.0165 | -66.93% | 889,568 |
| Feb 2026 | $0.017 | $0.0721 | $0.0154 | $0.0499 | +191.81% | 2,121,682 |
| Jan 2026 | $0.021 | $0.0258 | $0.0135 | $0.0171 | -33.98% | 819,937 |
| Dec 2025 | $0.0182 | $0.0277 | $0.0163 | $0.0259 | +34.20% | 2,220,311 |
| Nov 2025 | $0.0188 | $0.0214 | $0.0161 | $0.0193 | -11.06% | 83,952 |
| Oct 2025 | $0.0202 | $0.0258 | $0.0106 | $0.0217 | +6.37% | 588,490 |
| Sep 2025 | $0.0238 | $0.0239 | $0.0133 | $0.0204 | +27.50% | 341,728 |
| Aug 2025 | $0.0145 | $0.0195 | $0.0102 | $0.016 | +10.34% | 264,639 |
| Jul 2025 | $0.0162 | $0.0163 | $0.01 | $0.0145 | -10.49% | 317,564 |
| Jun 2025 | $0.0152 | $0.019 | $0.0121 | $0.0162 | +6.58% | 839,507 |
| May 2025 | $0.0259 | $0.0319 | $0.01 | $0.0152 | -55.69% | 622,235 |
| Apr 2025 | $0.0303 | $0.04 | $0.0252 | $0.0343 | -14.25% | 229,254 |
| Mar 2025 | $0.0692 | $0.0699 | $0.025 | $0.04 | -0.25% | 254,446 |
| Feb 2025 | $0.075 | $0.085 | $0.035 | $0.0401 | -51.57% | 476,340 |
| Jan 2025 | $0.077 | $0.105 | $0.0572 | $0.0828 | -0.12% | 551,476 |
| Dec 2024 | $0.0303 | $0.18 | $0.03 | $0.0829 | +176.33% | 3,615,259 |
| Nov 2024 | $0.038 | $0.05 | $0.0251 | $0.03 | -21.05% | 162,643 |
| Oct 2024 | $0.0323 | $0.0542 | $0.0245 | $0.038 | -2.31% | 136,337 |
| Sep 2024 | $0.043 | $0.0495 | $0.0231 | $0.0389 | +16.12% | 107,934 |
| Aug 2024 | $0.049 | $0.05 | $0.0302 | $0.0335 | +10.93% | 90,448 |
| Jul 2024 | $0.0333 | $0.0489 | $0.03 | $0.0302 | -22.37% | 126,598 |
| Jun 2024 | $0.044 | $0.0498 | $0.0275 | $0.0389 | -13.75% | 516,830 |
| May 2024 | $0.065 | $0.0959 | $0.0425 | $0.0451 | -35.57% | 290,097 |
| Apr 2024 | $0.0909 | $0.1137 | $0.0563 | $0.07 | -34.21% | 197,131 |
| Mar 2024 | $0.1434 | $0.1594 | $0.08 | $0.1064 | -27.86% | 150,964 |
| Feb 2024 | $0.12 | $0.18 | $0.101 | $0.1475 | +13.46% | 95,718 |
| Jan 2024 | $0.179 | $0.275 | $0.09 | $0.13 | -25.24% | 695,923 |
| Dec 2023 | $0.1212 | $0.20 | $0.0775 | $0.1739 | +19.93% | 619,505 |
| Nov 2023 | $0.0499 | $0.20 | $0.033 | $0.145 | +262.50% | 2,800,509 |
| Oct 2023 | $0.035 | $0.05 | $0.03 | $0.04 | +14.29% | 60,078 |
| Sep 2023 | $0.0725 | $0.0725 | $0.035 | $0.035 | -51.72% | 37,869 |
| Aug 2023 | $0.1575 | $0.1848 | $0.0725 | $0.0725 | -53.97% | 39,355 |
| Jul 2023 | $0.14 | $0.1931 | $0.125 | $0.1575 | -16.45% | 33,729 |
| Jun 2023 | $0.1273 | $0.2975 | $0.11 | $0.1885 | +69.67% | 91,948 |
| May 2023 | $0.2062 | $0.268 | $0.08 | $0.1111 | -46.12% | 53,553 |
| Apr 2023 | $0.3199 | $0.368 | $0.13 | $0.2062 | -35.54% | 149,829 |
| Mar 2023 | $0.1501 | $0.95 | $0.1129 | $0.3199 | +113.12% | 2,503,464 |
| Feb 2023 | $0.05 | $0.221 | $0.0426 | $0.1501 | +200.20% | 3,487,024 |
| Jan 2023 | $0.0498 | $0.0941 | $0.045 | $0.05 | +1.01% | 19,746 |
| Dec 2022 | $0.0645 | $0.1424 | $0.0425 | $0.0495 | -53.26% | 168,587 |
| Nov 2022 | $0.0723 | $0.14 | $0.0506 | $0.1059 | +46.47% | 89,673 |
| Oct 2022 | $0.1211 | $0.22 | $0.0723 | $0.0723 | -40.30% | 155,044 |
| Sep 2022 | $0.14 | $0.20 | $0.1211 | $0.1211 | -13.50% | 111,291 |
| Aug 2022 | $0.14 | $0.15 | $0.0928 | $0.14 | 0.00% | 655,440 |
| Jul 2022 | $0.16 | $0.16 | $0.0912 | $0.14 | -12.50% | 140,921 |
| Jun 2022 | $0.2155 | $0.2155 | $0.11 | $0.16 | -0.62% | 86,924 |
| May 2022 | $0.20 | $0.318 | $0.10 | $0.161 | -28.44% | 241,394 |
| Apr 2022 | $0.20 | $0.27 | $0.1702 | $0.225 | +12.50% | 23,629 |
| Mar 2022 | $0.24 | $0.2599 | $0.1501 | $0.20 | -16.67% | 54,740 |
| Feb 2022 | $0.22 | $0.30 | $0.2099 | $0.24 | +15.05% | 729,097 |
| Jan 2022 | $0.34 | $0.36 | $0.197 | $0.2086 | – | 734,396 |
Seasonality
CDIOW return in each calendar month over the last 5 years, including dividends. The current month runs to the latest close.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 up | 1 of 4 | 4 of 5 | 1 of 5 | 1 of 5 | 1 of 5 | 3 of 5 | 0 of 5 | 3 of 5 | 2 of 5 | 3 of 5 | 2 of 4 | 3 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% |
| 2023 | 1.0% | 200.2% | 113.1% | -35.5% | -46.1% | 69.7% | -16.4% | -54.0% | -51.7% | 14.3% | 262.5% | 19.9% |
| 2022 | 15.1% | -16.7% | 12.5% | -28.4% | -0.6% | -12.5% | 0.0% | -13.5% | -40.3% | 46.5% | -53.3% |