Range Low Price High Price Comment
30 days $27.32 $45.00 Friday, 31st Jul 2026 CDNA stock ended at $43.71. This is 14.72% more than the trading day before Thursday, 30th Jul 2026. During the day the stock fluctuated 10.65% from a day low at $40.67 to a day high of $45.00.
90 days $19.62 $45.00
52 weeks $11.26 $45.00

Historical CareDx prices

Date Open High Low Close Volume
Jul 31, 2026 $42.89 $45.00 $40.67 $43.71 2 745 033
Jul 30, 2026 $35.24 $38.30 $35.01 $38.10 1 588 746
Jul 29, 2026 $35.69 $36.29 $35.29 $35.41 744 410
Jul 28, 2026 $36.29 $37.09 $35.11 $35.75 896 648
Jul 27, 2026 $37.21 $37.74 $36.25 $36.36 586 808
Jul 24, 2026 $38.21 $38.48 $37.05 $37.14 464 378
Jul 23, 2026 $38.44 $38.71 $37.39 $37.61 749 919
Jul 22, 2026 $38.38 $38.53 $37.23 $37.78 992 190
Jul 21, 2026 $37.70 $39.20 $37.25 $38.54 1 134 765
Jul 20, 2026 $39.30 $39.86 $38.04 $38.37 1 183 566
Jul 17, 2026 $37.91 $40.47 $37.74 $39.73 1 762 441
Jul 16, 2026 $36.30 $40.38 $35.50 $40.34 4 449 078
Jul 15, 2026 $29.22 $29.85 $28.86 $29.75 600 484
Jul 14, 2026 $28.76 $29.18 $28.25 $28.93 747 571
Jul 13, 2026 $27.88 $28.81 $27.88 $28.76 538 076
Jul 10, 2026 $29.05 $29.25 $28.11 $28.51 639 156
Jul 09, 2026 $27.93 $29.15 $27.93 $29.11 670 178
Jul 08, 2026 $28.00 $28.68 $27.32 $27.55 1 297 136
Jul 07, 2026 $29.36 $29.43 $28.19 $28.31 625 947
Jul 06, 2026 $29.36 $29.88 $28.98 $29.06 699 019
Jul 02, 2026 $29.42 $30.00 $28.28 $29.19 845 855
Jul 01, 2026 $28.71 $29.45 $28.64 $29.25 709 276
Jun 30, 2026 $28.78 $29.49 $27.87 $28.50 607 073
Jun 29, 2026 $28.61 $29.57 $28.61 $29.28 479 089
Jun 26, 2026 $27.85 $29.07 $27.76 $28.82 1 646 950

FAQ

What are historical stock prices?
Historical stock prices refer to a stock’s recorded prices at various past points. These prices include several key figures that help investors and analysts evaluate a stock’s performance over time:
Open: Open price for the trading day.
High: Highest price for the trading day.
Low: Lowest price for the trading day.
Close: Close price for the trading day.

Additionally, historical prices often include:
Volume is the number of shares traded during the day. It indicates how actively a stock was traded and can provide insights into market sentiment and liquidity.

How can I use CDNA stock historical prices to predict future price movements?
Trend Analysis: Examine the CDNA stock’s historical trends to identify patterns that might continue.
Moving Averages: Use moving averages to detect potential reversal points.
Momentum Indicators: Apply indicators like RSI or MACD to assess the momentum and strength of price movements.
Volume Analysis: Analyze trading volume alongside price changes to gauge trend strength.
Statistical Methods: Use statistical tools such as regression analysis to model and forecast future prices based on past data.
These techniques can provide insights but should be used with risk management practices to mitigate potential losses.

What impact do stock splits have on historical price data?
When a company performs a stock split, it adjusts the historical price data to reflect the new, lower trading price as if it had always been that way.

This ensures consistency for anyone analyzing the stock’s past prices. The adjustment helps prevent misleading signals on charts, such as false sell signals or bearish trends that aren’t there. For instance, in a 2-for-1 stock split, the price per share is cut in half, which would otherwise appear as a dramatic drop on the chart. If someone didn’t know about the split, they might wrongly think something negative happened to the company. Most technical indicators would also react to this apparent drop by signaling to sell.

A stock split, while making the shares seem more affordable and potentially more attractive to investors, doesn’t alter the company’s fundamental value.

Why do the CDNA stock historical prices show a range for periods like 30 days, 90 days, and 52 weeks?
The range provides the lowest and highest prices at which the stock has traded during the specified period. This helps investors understand the stock’s volatility and price variability within that timeframe.

How can I use historical price volatility to assess risk?
High price volatility historically indicates higher risk and potentially higher returns. Investors can gauge the stock’s risk level by examining the range between high and low prices over various periods.
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ABOUT CAREDX
CareDx
CareDx, Inc. discovers, develops, and commercializes diagnostic solutions for transplant patients and caregivers worldwide. It provides AlloSure Kidney, a donor-derived cell-free DNA (dd-cfDNA) solution for kidney transplant patients; AlloMap Heart, a gene expression solution for heart transplant patients; AlloSure Heart, a dd-cfDNA solution for heart transplant patients; and AlloSure Lung, a dd-cfDNA solution for lung transplant patients. The co...
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