Beyond the Screen: The Complete Map of Market Depth and Level 3 (MBO) Code

Many of you asked after my recent reel about MBO: What exactly is it, and where does it fit in the hierarchy of market data? Let’s break it down.

The Fundamental Difference: MBP vs. MBO

The difference between MBP (Market By Price) and MBO (Market By Order) is not just a tool difference—it’s a shift in perspective.

MBP (Market By Price): The Aggregated View

MBP presents the market in a consolidated format. You see liquidity accumulated at each price level as a single block. It’s visually comfortable and quick to understand, giving you a sense of balance or imbalance. However, this comfort comes at the cost of detail. You cannot see who is behind that volume or whether it is stable or fleeting. MBP tells you where liquidity is, but not its nature.

MBO (Market By Order): The Micro-Structure

MBO takes you to a deeper level. Instead of a single number, you see individual orders—each with its own timing, size, and position in the queue. The market transforms from a static image into a living scene. You aren't just asking "How much is at this price?" but rather "Who is placing these orders? Are they holding firm or withdrawing?"

The Market as Layers of Truth

To the individual trader, the market can be understood through three primary layers:

Level 1: The Layer of Impact (The Aftermath)

This includes charts, candles, and indicators. It is the most common view, yet it is the most limited. Price does not tell you what is happening now; it tells you what has already happened. Price is not the driver of the market; it is the aftermath.

Level 2: The Layer of Liquidity

Here, you see the order book with bids and asks. While it looks clearer, it carries a degree of deception. Orders can be pulled, modified, or re-coded at any second. What you see here is intent, not necessarily commitment.

Level 3: The Layer of Precise Execution (MBO)

In professional market data, Level 3 is represented by MBO. Here, you see the market as a network of individual orders. You see when an order enters, how it changes, and when it is executed. It reveals the internal structure of the market.

Conclusion: From Seeing to Understanding

The market does not move because a pattern is complete; it moves because there is a momentary imbalance between those executing and those retreating. The difference between those who watch the movement and those who understand it lies in the depth of their vision. Stop asking "Where is the price going?" and start asking "Is there real strength executing here, or is this just a lagging reflection?"