As of 2026-10-23, the Heico Corporation (HEI.A) stock price today is 226.78. Based on this price, the company has a market capitalization of $31.69B, with a P/E ratio of 49.94. On 2026-10-23, HEI.A traded between 219.11 and 227.57. Today’s stock price is 3.50% above the daily low and 0.35% below the daily high, placing HEI.A near the upper end of its most recent trading range. Trading volume currently stands at 157.72K, compared with an average daily volume of 185.23K. This suggests that trading activity is roughly in line with its usual level than usual. Over the past year, Heico Corporation shares have traded between 199.35 and 279.66. At today’s price, HEI.A is 13.76% above its 52-week low and 18.91% below its 52-week high.