Quantum Cyber N.V. Stock Price History
NASDAQ: QUCYHealthcareDiagnostics & ResearchUSD
1.35-0.04 (-2.88%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
QUCY price history at a glance
The price history for Quantum Cyber N.V. (QUCY) on this page begins on November 1, 2021, when the stock closed at $26.46; it most recently closed at $1.35 on October 5, 2026. The highest price in this record is $30.00, reached on January 17, 2022; the latest close is 95.5% below that peak. Across the 4 complete calendar years in the table, QUCY finished higher in 1 and lower in 3. Its best year was 2024 (+277.6%) and its worst was 2023 (-83.7%).
Over roughly 5 years the share price changed -94.9%, a -45.3% compound annual price return (excluding dividends). In the last 12 months alone, QUCY has lost 15.6%. Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.
Summary generated from market data by MetaCap's automated system. Methodology
Key price levels
- High since 2021
- $30.00
- Date of high
- Jan 17, 2022
- Low since 2021
- $0.18
- Date of low
- Dec 2, 2024
- 52-week high
- $4.93
- 52-week low
- $0.30
- IPO year
- 2021
- Last close
- $1.35
QUCY returns
1 week
+1.50%
1 month
-2.88%
3 months
-0.74%
6 months
+204.74%
Year to date
+20.54%
1 year
-15.63%
3 years
-41.81%
QUCY price return, excluding dividends.
QUCY annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 1.35 | +16.38% |
| 2025 | 1.16 | -73.52% |
| 2024 | 4.38 | +277.59% |
| 2023 | 1.16 | -83.66% |
| 2022 | 7.10 | -31.67% |
| 2021* | 10.39 | -60.73% |
* Partial year: the record begins after the start of 2021; return measured from the first available close.
2026 return is year to date.
QUCY daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 1.38 | 1.41 | 1.34 | 1.35 | -2.88% | |
| 1.39 | 1.49 | 1.37 | 1.39 | -2.80% | |
| 1.27 | 1.50 | 1.25 | 1.43 | +10.85% | |
| 1.35 | 1.36 | 1.29 | 1.29 | -4.44% | |
| 1.31 | 1.36 | 1.31 | 1.35 | +1.50% | |
| 1.36 | 1.36 | 1.29 | 1.33 | -1.48% | |
| 1.31 | 1.38 | 1.25 | 1.35 | +3.05% | |
| 1.32 | 1.35 | 1.31 | 1.31 | +1.55% | |
| 1.37 | 1.37 | 1.29 | 1.29 | -5.15% | |
| 1.36 | 1.38 | 1.33 | 1.36 | -0.73% | |
| 1.35 | 1.38 | 1.31 | 1.37 | +3.01% | |
| 1.32 | 1.34 | 1.29 | 1.33 | +0.76% | |
| 1.34 | 1.36 | 1.30 | 1.32 | 0.00% | |
| 1.30 | 1.35 | 1.29 | 1.32 | +1.54% | |
| 1.37 | 1.38 | 1.30 | 1.30 | -5.80% | |
| 1.36 | 1.41 | 1.35 | 1.38 | +1.47% | |
| 1.32 | 1.38 | 1.31 | 1.36 | +3.82% | |
| 1.32 | 1.34 | 1.29 | 1.31 | 0.00% | |
| 1.32 | 1.34 | 1.28 | 1.31 | -0.76% | |
| 1.31 | 1.35 | 1.31 | 1.32 | -1.49% | |
| 1.40 | 1.40 | 1.33 | 1.34 | -2.19% | |
| 1.41 | 1.41 | 1.33 | 1.37 | -1.44% | |
| 1.40 | 1.45 | 1.39 | 1.39 | -2.11% | |
| 1.54 | 1.56 | 1.41 | 1.42 | -10.69% | |
| 1.53 | 1.63 | 1.51 | 1.59 | +4.61% | |
| 1.57 | 1.62 | 1.52 | 1.52 | -5.00% | |
| 1.53 | 1.65 | 1.50 | 1.60 | +8.11% | |
| 1.54 | 1.60 | 1.46 | 1.48 | -5.73% | |
| 1.42 | 1.58 | 1.38 | 1.57 | +10.56% | |
| 1.48 | 1.50 | 1.36 | 1.42 | -3.40% | |
| 1.39 | 1.50 | 1.37 | 1.47 | +6.91% | |
| 1.36 | 1.42 | 1.33 | 1.38 | +1.10% | |
| 1.32 | 1.45 | 1.32 | 1.36 | +3.82% | |
| 1.29 | 1.37 | 1.26 | 1.31 | +0.77% | |
| 1.33 | 1.36 | 1.27 | 1.30 | -4.41% | |
| 1.44 | 1.44 | 1.32 | 1.36 | -5.56% | |
| 1.46 | 1.62 | 1.43 | 1.44 | +0.70% | |
| 1.44 | 1.47 | 1.36 | 1.43 | -2.72% | |
| 1.46 | 1.49 | 1.40 | 1.47 | -0.34% | |
| 1.48 | 1.50 | 1.36 | 1.48 | +3.87% | |
| 1.30 | 1.57 | 1.30 | 1.42 | +8.81% | |
| 1.35 | 1.38 | 1.23 | 1.31 | -4.74% | |
| 1.43 | 1.44 | 1.35 | 1.37 | -1.44% | |
| 1.44 | 1.45 | 1.35 | 1.39 | -3.47% | |
| 1.38 | 1.52 | 1.38 | 1.44 | +4.35% | |
| 1.38 | 1.44 | 1.36 | 1.38 | -4.83% | |
| 1.50 | 1.55 | 1.40 | 1.45 | -3.33% | |
| 1.29 | 1.53 | 1.25 | 1.50 | +19.05% | |
| 1.15 | 1.27 | 1.15 | 1.26 | +10.53% | |
| 1.12 | 1.15 | 1.09 | 1.14 | +2.70% | |
| 1.06 | 1.13 | 1.04 | 1.11 | +4.72% | |
| 1.07 | 1.11 | 1.03 | 1.06 | -2.75% | |
| 1.11 | 1.15 | 1.04 | 1.09 | -0.91% | |
| 1.10 | 1.14 | 1.05 | 1.10 | +1.85% | |
| 1.13 | 1.15 | 1.08 | 1.08 | -2.70% | |
| 1.13 | 1.15 | 1.10 | 1.11 | -2.63% | |
| 1.15 | 1.18 | 1.13 | 1.14 | -1.72% | |
| 1.17 | 1.21 | 1.11 | 1.16 | 0.00% | |
| 1.19 | 1.22 | 1.16 | 1.16 | -5.69% | |
| 1.17 | 1.27 | 1.12 | 1.23 | +3.36% | |
| 1.24 | 1.25 | 1.13 | 1.19 | -3.25% | |
| 1.24 | 1.26 | 1.18 | 1.23 | -2.38% | |
| 1.25 | 1.27 | 1.19 | 1.26 | 0.00% | |
| 1.36 | 1.36 | 1.24 | 1.26 | -7.35% | |
| 1.42 | 1.43 | 1.35 | 1.36 | -4.90% | |
| 1.35 | 1.52 | 1.32 | 1.43 | +5.93% | |
| 1.32 | 1.42 | 1.28 | 1.35 | +0.75% | |
| 1.40 | 1.41 | 1.33 | 1.34 | -6.94% | |
| 1.40 | 1.47 | 1.31 | 1.44 | -0.69% | |
| 1.51 | 1.55 | 1.43 | 1.45 | -5.84% | |
| 1.54 | 1.58 | 1.50 | 1.54 | -1.91% | |
| 1.57 | 1.65 | 1.52 | 1.57 | -1.88% | |
| 1.58 | 1.67 | 1.47 | 1.60 | -1.84% | |
| 1.82 | 1.92 | 1.53 | 1.63 | +12.41% | |
| 1.47 | 1.57 | 1.45 | 1.45 | -1.36% | |
| 1.48 | 1.51 | 1.38 | 1.47 | -1.34% | |
| 1.58 | 1.60 | 1.47 | 1.49 | -3.25% | |
| 1.77 | 1.77 | 1.45 | 1.54 | -12.50% | |
| 1.93 | 1.99 | 1.71 | 1.76 | -7.37% | |
| 1.93 | 2.08 | 1.89 | 1.90 | -2.06% | |
| 2.04 | 2.08 | 1.88 | 1.94 | -8.49% | |
| 1.83 | 2.36 | 1.78 | 2.12 | +22.54% | |
| 1.91 | 1.97 | 1.71 | 1.73 | -8.95% | |
| 1.95 | 2.06 | 1.70 | 1.90 | -1.04% | |
| 1.98 | 2.08 | 1.90 | 1.92 | -5.88% | |
| 2.03 | 2.05 | 1.86 | 2.04 | -2.86% | |
| 2.18 | 2.28 | 2.02 | 2.10 | -4.55% | |
| 2.20 | 2.21 | 1.95 | 2.20 | -5.58% | |
| 2.28 | 2.39 | 2.20 | 2.33 | -5.28% | |
| 2.48 | 2.63 | 2.36 | 2.46 | +0.41% | |
| 2.73 | 3.10 | 2.45 | 2.45 | +9.87% | |
| 2.50 | 2.53 | 2.18 | 2.23 | -12.89% | |
| 2.75 | 2.83 | 2.42 | 2.56 | -14.09% | |
| 3.05 | 3.14 | 2.87 | 2.98 | +1.71% | |
| 3.41 | 3.48 | 2.80 | 2.93 | -15.56% | |
| 3.35 | 4.04 | 3.35 | 3.47 | +4.20% | |
| 3.65 | 3.72 | 3.33 | 3.33 | -6.46% | |
| 3.93 | 4.87 | 3.33 | 3.56 | +8.21% | |
| 2.27 | 3.76 | 2.27 | 3.29 | +30.56% | |
| 3.06 | 3.06 | 2.50 | 2.52 | -23.64% | |
| 4.32 | 4.44 | 3.25 | 3.30 | -4.62% | |
| 2.46 | 4.93 | 2.46 | 3.46 | +15.33% | |
| 1.90 | 3.97 | 1.63 | 3.00 | +123.88% | |
| 0.585 | 1.62 | 0.487 | 1.34 | +314.86% | |
| 0.349 | 0.349 | 0.30 | 0.323 | -5.56% | |
| 0.347 | 0.357 | 0.321 | 0.342 | -5.79% | |
| 0.371 | 0.371 | 0.341 | 0.363 | -1.36% | |
| 0.384 | 0.384 | 0.34 | 0.368 | -3.16% | |
| 0.377 | 0.39 | 0.359 | 0.38 | +4.40% | |
| 0.40 | 0.40 | 0.347 | 0.364 | -9.00% | |
| 0.395 | 0.416 | 0.373 | 0.40 | -2.68% | |
| 0.426 | 0.434 | 0.384 | 0.411 | -3.75% | |
| 0.438 | 0.48 | 0.415 | 0.427 | -6.56% | |
| 0.478 | 0.48 | 0.40 | 0.457 | -8.96% | |
| 0.54 | 0.547 | 0.498 | 0.502 | -7.04% | |
| 0.50 | 0.54 | 0.482 | 0.54 | +6.30% | |
| 0.50 | 0.51 | 0.49 | 0.508 | -0.39% | |
| 0.507 | 0.52 | 0.48 | 0.51 | -1.35% | |
| 0.502 | 0.53 | 0.491 | 0.517 | -1.52% | |
| 0.458 | 0.536 | 0.441 | 0.525 | +11.46% | |
| 0.49 | 0.49 | 0.459 | 0.471 | -3.29% | |
| 0.51 | 0.522 | 0.436 | 0.487 | -3.37% | |
| 0.525 | 0.55 | 0.492 | 0.504 | -7.86% | |
| 0.601 | 0.63 | 0.51 | 0.547 | -9.88% | |
| 0.514 | 0.635 | 0.481 | 0.607 | +19.96% | |
| 0.466 | 0.506 | 0.453 | 0.506 | +14.22% | |
| 0.48 | 0.48 | 0.441 | 0.443 | -6.54% | |
| 0.501 | 0.52 | 0.46 | 0.474 | -7.06% | |
| 0.498 | 0.532 | 0.467 | 0.51 | +5.37% | |
| 0.48 | 0.49 | 0.45 | 0.484 | +1.89% | |
| 0.462 | 0.50 | 0.46 | 0.475 | +3.71% | |
| 0.47 | 0.477 | 0.449 | 0.458 | -3.98% | |
| 0.467 | 0.49 | 0.46 | 0.477 | +0.63% | |
| 0.408 | 0.475 | 0.403 | 0.474 | +13.94% | |
| 0.404 | 0.44 | 0.40 | 0.416 | -5.45% | |
| 0.46 | 0.467 | 0.41 | 0.44 | -6.18% | |
| 0.489 | 0.498 | 0.43 | 0.469 | -6.01% | |
| 0.499 | 0.50 | 0.458 | 0.499 | 0.00% | |
| 0.465 | 0.499 | 0.444 | 0.499 | +3.96% | |
| 0.509 | 0.52 | 0.43 | 0.48 | -8.92% | |
| 0.576 | 0.58 | 0.50 | 0.527 | -10.37% | |
| 0.60 | 0.60 | 0.55 | 0.588 | -2.65% | |
| 0.551 | 0.62 | 0.551 | 0.604 | +6.15% | |
| 0.583 | 0.62 | 0.55 | 0.569 | -17.77% | |
| 0.69 | 0.737 | 0.63 | 0.692 | -6.11% | |
| 0.795 | 0.798 | 0.666 | 0.737 | -2.77% | |
| 0.739 | 0.792 | 0.65 | 0.758 | -10.19% | |
| 0.803 | 0.861 | 0.739 | 0.844 | +2.06% | |
| 0.791 | 0.85 | 0.791 | 0.827 | +2.10% | |
| 0.83 | 0.87 | 0.794 | 0.81 | -2.41% | |
| 0.82 | 0.83 | 0.80 | 0.83 | +2.34% | |
| 0.93 | 0.93 | 0.79 | 0.811 | -10.88% | |
| 0.817 | 0.94 | 0.817 | 0.91 | +8.85% | |
| 0.738 | 0.84 | 0.68 | 0.836 | +9.00% | |
| 0.745 | 0.787 | 0.701 | 0.767 | +0.92% | |
| 0.72 | 0.769 | 0.717 | 0.76 | +3.12% | |
| 0.606 | 0.74 | 0.59 | 0.737 | +19.26% | |
| 0.60 | 0.618 | 0.575 | 0.618 | +0.98% | |
| 0.56 | 0.659 | 0.548 | 0.612 | +3.38% | |
| 0.60 | 0.61 | 0.551 | 0.592 | -2.95% | |
| 0.59 | 0.625 | 0.586 | 0.61 | -3.17% | |
| 0.60 | 0.63 | 0.56 | 0.63 | +0.96% | |
| 0.604 | 0.679 | 0.60 | 0.624 | -7.56% | |
| 0.75 | 0.75 | 0.608 | 0.675 | -15.63% | |
| 0.74 | 0.838 | 0.74 | 0.80 | +6.52% | |
| 0.848 | 0.848 | 0.70 | 0.751 | -11.33% | |
| 0.889 | 0.889 | 0.811 | 0.847 | -5.78% | |
| 0.88 | 0.92 | 0.855 | 0.899 | +3.93% | |
| 0.95 | 0.99 | 0.60 | 0.865 | -8.47% | |
| 1.00 | 1.04 | 0.92 | 0.945 | -4.55% | |
| 1.08 | 1.12 | 0.99 | 0.99 | -8.33% | |
| 1.15 | 1.15 | 1.08 | 1.08 | -4.42% | |
| 1.14 | 1.16 | 1.10 | 1.13 | 0.00% | |
| 1.18 | 1.23 | 1.12 | 1.13 | -5.04% | |
| 1.20 | 1.26 | 1.16 | 1.19 | -4.03% | |
| 1.21 | 1.37 | 1.16 | 1.24 | +4.20% | |
| 1.20 | 1.27 | 1.15 | 1.19 | -2.46% | |
| 1.29 | 1.33 | 1.22 | 1.22 | -6.15% | |
| 1.18 | 1.60 | 1.17 | 1.30 | +10.17% | |
| 1.20 | 1.22 | 1.12 | 1.18 | 0.00% | |
| 1.23 | 1.28 | 1.16 | 1.18 | 0.00% | |
| 1.12 | 1.20 | 1.10 | 1.18 | +7.27% | |
| 1.13 | 1.15 | 1.08 | 1.10 | -5.17% | |
| 1.18 | 1.19 | 1.12 | 1.16 | -2.52% | |
| 1.15 | 1.20 | 1.09 | 1.19 | +6.25% | |
| 1.12 | 1.15 | 1.09 | 1.12 | 0.00% | |
| 1.17 | 1.20 | 1.10 | 1.12 | -4.27% | |
| 1.18 | 1.21 | 1.12 | 1.17 | -0.85% | |
| 1.21 | 1.22 | 1.12 | 1.18 | +0.43% | |
| 1.28 | 1.30 | 1.16 | 1.18 | -6.75% | |
| 1.39 | 1.39 | 1.12 | 1.26 | -6.67% | |
| 1.45 | 1.50 | 1.30 | 1.35 | +6.30% | |
| 1.17 | 1.34 | 1.15 | 1.27 | +9.48% | |
| 1.10 | 1.23 | 1.08 | 1.16 | +3.57% | |
| 1.15 | 1.21 | 1.11 | 1.12 | -3.45% | |
| 1.20 | 1.20 | 1.12 | 1.16 | -4.13% | |
| 1.27 | 1.27 | 1.19 | 1.21 | -4.72% | |
| 1.18 | 1.35 | 1.17 | 1.27 | +8.55% | |
| 1.14 | 1.19 | 1.12 | 1.17 | +1.74% | |
| 1.13 | 1.23 | 1.12 | 1.15 | +2.68% | |
| 1.25 | 1.28 | 1.09 | 1.12 | -6.67% | |
| 1.23 | 1.29 | 1.18 | 1.20 | -2.44% | |
| 1.12 | 1.24 | 1.11 | 1.23 | +14.95% | |
| 1.03 | 1.12 | 1.00 | 1.07 | +7.00% | |
| 1.03 | 1.03 | 1.00 | 1.00 | -1.96% | |
| 1.07 | 1.07 | 1.02 | 1.02 | -0.97% | |
| 1.04 | 1.07 | 0.995 | 1.03 | -1.90% | |
| 1.08 | 1.12 | 1.05 | 1.05 | -4.55% | |
| 1.07 | 1.14 | 1.05 | 1.10 | +3.77% | |
| 1.07 | 1.10 | 1.04 | 1.06 | -1.85% | |
| 1.17 | 1.17 | 1.08 | 1.08 | -6.90% | |
| 1.19 | 1.20 | 1.16 | 1.16 | -0.85% | |
| 1.11 | 1.20 | 1.11 | 1.17 | +0.86% | |
| 1.17 | 1.19 | 1.12 | 1.16 | 0.00% | |
| 1.12 | 1.19 | 1.11 | 1.16 | +2.65% | |
| 1.10 | 1.15 | 1.08 | 1.13 | +4.63% | |
| 1.01 | 1.13 | 1.01 | 1.08 | -3.57% | |
| 1.00 | 1.13 | 0.989 | 1.12 | +12.00% | |
| 0.96 | 1.06 | 0.93 | 1.00 | +3.95% | |
| 0.98 | 1.00 | 0.92 | 0.962 | -3.70% | |
| 1.07 | 1.09 | 0.92 | 0.999 | -5.75% | |
| 1.12 | 1.16 | 1.03 | 1.06 | -5.36% | |
| 1.20 | 1.20 | 1.00 | 1.12 | -6.67% | |
| 1.34 | 1.35 | 1.15 | 1.20 | -4.76% | |
| 1.40 | 1.40 | 1.25 | 1.26 | -11.89% | |
| 1.45 | 1.58 | 1.38 | 1.43 | -2.05% | |
| 1.37 | 2.09 | 1.28 | 1.46 | +7.35% | |
| 1.30 | 1.66 | 1.26 | 1.36 | +4.62% | |
| 1.34 | 1.35 | 1.21 | 1.30 | -1.52% | |
| 1.37 | 1.37 | 1.28 | 1.32 | +0.76% | |
| 1.38 | 1.38 | 1.30 | 1.31 | -3.68% | |
| 1.42 | 1.42 | 1.36 | 1.36 | -4.23% | |
| 1.40 | 1.47 | 1.38 | 1.42 | +2.16% | |
| 1.45 | 1.46 | 1.38 | 1.39 | -5.12% | |
| 1.46 | 1.50 | 1.42 | 1.47 | -1.01% | |
| 1.48 | 1.51 | 1.45 | 1.48 | -1.33% | |
| 1.46 | 1.53 | 1.46 | 1.50 | +2.74% | |
| 1.53 | 1.57 | 1.43 | 1.46 | -7.01% | |
| 1.62 | 1.63 | 1.54 | 1.57 | -1.88% | |
| 1.60 | 1.64 | 1.51 | 1.60 | +0.63% | |
| 1.62 | 1.64 | 1.55 | 1.59 | -1.24% | |
| 1.49 | 1.68 | 1.49 | 1.61 | +7.33% | |
| 1.54 | 1.60 | 1.47 | 1.50 | -3.23% | |
| 1.58 | 1.60 | 1.50 | 1.55 | -0.64% | |
| 1.49 | 1.59 | 1.46 | 1.56 | +4.70% | |
| 1.41 | 1.55 | 1.37 | 1.49 | +5.67% | |
| 1.48 | 1.50 | 1.40 | 1.41 | -4.73% | |
| 1.54 | 1.54 | 1.44 | 1.48 | -3.90% | |
| 1.57 | 1.59 | 1.47 | 1.54 | -1.91% | |
| 1.65 | 1.65 | 1.52 | 1.57 | -1.88% | |
| 1.60 | 1.65 | 1.52 | 1.60 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the QUCY chart for longer ranges.