All or None
Full Form of AON
What is AON?
In stock trading, an All or None (AON) order is a conditional order that requires the entire specified quantity of shares to be filled in a single transaction; otherwise, the order is canceled and no partial execution occurs. This order type is essential for traders who need to acquire or dispose of a precise block of shares without accepting partial fills. In India, AON orders are supported by major stock exchanges such as NSE and BSE, particularly for retail, high-net-worth individuals, and institutional participants. They are commonly used in limit orders for equities, derivatives, and commodities to combine price control with quantity certainty. AON orders help avoid odd-lot issues and maintain portfolio consistency. However, due to their restrictive nature, they may result in lower fill rates compared to standard orders. Algorithmic trading systems often incorporate AON logic for large block deals. Understanding AON is crucial for SEBI regulations, NSE's NCFM certifications (e.g., Capital Market Dealers Module), and BSE's various testing programs. The concept also appears in stock market curriculum for commerce and management students. AON is distinct from Fill-or-Kill (FOK) and Immediate-or-Cancel (IOC) order types, each serving different execution priorities. Mastery of AON orders enables traders to implement disciplined strategies and manage execution risk effectively in volatile markets.
AON का फुल फॉर्म
सभी या कोई नहीं
Example
The fund manager placed an AON limit order at ₹250 for 10,000 shares of Reliance Industries to ensure the entire position was filled at the desired price.