Range Low Price High Price Comment
30 days $66.33 $75.46 Friday, 31st Jul 2026 ACM stock ended at $72.39. This is 0.88% more than the trading day before Thursday, 30th Jul 2026. During the day the stock fluctuated 2.38% from a day low at $71.26 to a day high of $72.96.
90 days $66.33 $85.82
52 weeks $66.33 $135.52

Historical AECOM prices

Date Open High Low Close Volume
Jul 31, 2026 $71.30 $72.96 $71.26 $72.39 1 174 288
Jul 30, 2026 $72.34 $72.57 $69.92 $71.76 1 459 248
Jul 29, 2026 $74.03 $74.03 $72.41 $73.57 1 804 716
Jul 28, 2026 $71.84 $75.46 $71.65 $74.44 2 962 313
Jul 27, 2026 $71.10 $71.76 $70.45 $70.96 937 108
Jul 24, 2026 $68.33 $70.96 $67.93 $70.56 1 348 471
Jul 23, 2026 $67.57 $68.86 $67.44 $67.65 1 758 470
Jul 22, 2026 $69.00 $69.46 $67.30 $67.47 808 594
Jul 21, 2026 $67.80 $69.46 $67.80 $68.94 1 386 038
Jul 20, 2026 $68.43 $68.49 $67.28 $67.94 929 188
Jul 17, 2026 $69.18 $69.70 $67.54 $68.29 809 126
Jul 16, 2026 $69.23 $70.08 $68.67 $69.95 806 041
Jul 15, 2026 $68.97 $69.95 $68.46 $68.88 1 140 029
Jul 14, 2026 $67.98 $69.64 $67.98 $68.55 881 193
Jul 13, 2026 $68.77 $68.82 $67.62 $68.68 1 199 293
Jul 10, 2026 $68.66 $69.00 $67.99 $68.25 1 402 528
Jul 09, 2026 $67.66 $68.24 $66.84 $68.05 1 228 603
Jul 08, 2026 $66.66 $68.40 $66.33 $67.89 1 445 668
Jul 07, 2026 $69.97 $70.46 $67.11 $67.64 1 114 856
Jul 06, 2026 $67.98 $69.83 $67.41 $69.61 1 132 361
Jul 02, 2026 $67.55 $68.52 $66.55 $67.74 1 299 360
Jul 01, 2026 $69.40 $70.28 $66.81 $66.86 1 528 992
Jun 30, 2026 $69.50 $70.02 $68.27 $69.80 1 769 008
Jun 29, 2026 $70.87 $71.63 $69.61 $69.77 2 687 848
Jun 26, 2026 $69.59 $71.15 $69.59 $71.02 942 745

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 ACM stock historical prices to predict future price movements?
Trend Analysis: Examine the ACM 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 ACM 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 AECOM
AECOM
AECOM, together with its subsidiaries, provides professional infrastructure consulting services for governments, businesses, and organizations in the Americas, Europe, the Middle East, Africa, and the Asia Pacific. It operates through three segments: Americas, International, and AECOM Capital. The company offers planning, consulting, architectural and engineering design, construction and program management, and investment and development services...
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