As of 2026-07-18, the Allegion plc (ALLE) stock price today is 137.24. Based on this price, the company has a market capitalization of $11.98B, with a P/E ratio of 18.74. On 2026-07-18, ALLE traded between 136.48 and 141.73. Today’s stock price is 0.56% above the daily low and 3.17% below the daily high, placing ALLE near the lower end of its most recent trading range. Trading volume currently stands at 1.56M, compared with an average daily volume of 1.31M. This suggests that trading activity is roughly in line with its usual level than usual. Over the past year, Allegion plc shares have traded between 125.00 and 183.11. At today’s price, ALLE is 9.79% above its 52-week low and 25.05% below its 52-week high.