The acronym ARCA most commonly stands for the Automobile Racing Club of America , which is an auto racing sanctioning body in the United States founded in 1953 by John Marcum

. It is known for its stock car racing series, including the ARCA Menards Series, and is affiliated with NASCAR since 2018

. Other less common meanings of ARCA include:

• AIDS Research Consortium of Atlanta
• Asbestos Removal Contractors Association
• Associate of the Royal College of Art (London)
• American Race Car Association (a variation on the racing meaning)
• Area(s) Requiring Corrective Action (in other contexts)

However, in the context of racing and sports, ARCA primarily refers to the Automobile Racing Club of America

. Additionally, outside of acronyms, "arca" in very old Spanish means "box" or "wooden container," often a ceremonial container for valuables

. For financial markets, NYSE Arca refers to an electronic securities exchange formed from the merger of the New York Stock Exchange and Archipelago Exchange, but here ARCA is not an acronym but part of the exchange's name derived from Archipelago

Summary:

• ARCA = Automobile Racing Club of America (most common and primary meaning in sports/racing)

• Other meanings exist but are less common or context-specific.
• In Spanish, "arca" means a box or chest

• NYSE Arca is a stock exchange name, not an acronym expansion