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This is part six of the [ASX order book series](/blog/2026/10/12-reading-the-asx-order-book-how-intraday-traders-actually-find-edge/). So far we've treated the order book as information: [protection](/blog/2026/10/14-protection-the-liquidity-you-lean-on/) behind you, a clear path ahead, a surplus in the [opening auction](/blog/2026/10/15-reading-the-asx-opening-auction/). All of that assumes the orders you see are real.

They aren't always. The journals I read were full of moments where a trader leaned on a wall that vanished, or fought a seller who turned out to be far larger than the visible size. Learning to read *behaviour* rather than displayed size was one of the clearest markers of progress over time.

<KeyPoints>

- Large orders can be fake. Trust a wall only after you have seen it absorb volume.
- A small offer that keeps reloading usually means a much larger seller. Don't scalp long into it.
- When the reloading stops and the level clears, the move that follows is often fast.

</KeyPoints>

## Three ways the book misleads you

<Table data={
    {
        headers: ['Type', 'What you see', 'What is actually there'],
        rows: [
            ['Spoof or layering', 'A big order that looks like protection or resistance', 'An order intended to be cancelled before it trades'],
            ['Iceberg or reloading order', 'A modest order at one price that keeps coming back', 'A much larger participant feeding size in pieces'],
            ['Fragmented liquidity', 'Thin depth on one venue', 'More size on another venue or in a broker algorithm'],
        ]
    }
} />

A quick note on legality. Placing orders you intend to cancel in order to create a false impression of supply or demand is market manipulation, and it's illegal in Australia. That doesn't mean it never happens, especially in small, thin stocks, but it does mean regulators take it seriously. Icebergs and reloading orders, on the other hand, are perfectly legitimate ways for large participants to avoid moving the price against themselves.

## Fake size: how to tell if a wall is real

You can't know the intent behind an order. You can observe how it behaves.

**Does it hold when price arrives?** The single most useful test. A genuine large bid gets hit when sellers come down to it, and the prints show volume trading at that price. A spoof disappears one or two ticks before price reaches it.

**Does it move with price?** Some large orders creep up or down a tick at a time, staying just out of reach. That's an order that wants to influence, not to trade.

**Does it appear at convenient moments?** A huge offer that materialises right when a stock starts to run, and vanishes when the run stalls, is designed to scare buyers off.

**Is it out of proportion?** An order worth many times the stock's typical daily turnover, sitting in a quiet small cap, deserves suspicion.

The practical consequence for protection is simple: **don't trust a wall until you've seen it absorb volume**. A wall that has already been hit and is still there is much more meaningful than one that has never been tested.

## Hidden size: icebergs and reloading orders

The opposite problem is more dangerous for intraday traders. A large seller who needs to move a big line doesn't want to show it, because the moment they do, everyone gets out of the way. So they show a small piece. When it's filled, another small piece appears at the same price. And again. And again.

On the tape, this looks like **far more volume trading at one price than was ever displayed there**. On the depth, it looks like an offer that never quite goes away, no matter how many buyers hit it.

The journals described this in plain language: a seller "reloading the offer" all day. One recurring observation was that such a seller is telling you something important: *someone big wants out at this price*. That's not an environment for a long scalp. The stock can only move up once that seller is finished.

<Table data={
    {
        headers: ['Signal', 'What to watch', 'Likely meaning'],
        rows: [
            ['Volume through a level far exceeds displayed size', 'Time and sales at that price', 'Hidden or reloading order'],
            ['Same offer refreshes immediately after being hit', 'Depth at that price', 'A seller feeding size in pieces'],
            ['Price stalls at the same level for a long time on heavy volume', 'Chart plus tape', 'Large participant absorbing the other side'],
            ['Large offer sits in an otherwise thin book', 'Depth relative to normal', 'Someone wants out and is not hiding it well'],
        ]
    }
} />

## The release: when the big order finishes

Here's where the opportunity is. A reloading seller caps a stock. Every buyer runs into them. Then, at some point, the seller is done. The offer at that price is hit, and **nothing reappears**.

What happens next is often fast. All the demand that was being absorbed suddenly has nothing to absorb it, and price can jump several ticks very quickly. Traders who were watching the level, patiently, can buy the moment the reload stops. Traders who were fighting the seller have often given up by then.

The same works in reverse: a large hidden buyer supporting a stock at a level, and the moment they stop, the floor disappears.

Some traders will even hold a position specifically for this: waiting for a large seller at a round number to finish, expecting the stock to move through the level once they do. That takes patience, and it can take days rather than minutes for a really large line.

## Fragmentation: the book you can't see

Australian equities trade on more than one venue. A meaningful share of volume can trade away from the ASX order book, and broker algorithms can hold size that isn't displayed anywhere. Orders on different venues don't always interact the way you'd intuitively expect, especially around the auctions.

For intraday traders the practical points are:

- Use a **consolidated view** of depth if your platform offers one.
- Remember the **ASX auctions** (open and close) are where the official prices are set, and where depth matters most.
- Treat the visible book as a **sample** of intentions, not the full picture.

## Practical rules

Distilled from the journals, here's how the experienced traders handled a book they couldn't fully trust:

<Steps>

1. **Prefer tested walls.** Lean on liquidity that has already absorbed volume.
2. **Exit on disappearance.** If your protection vanishes, you leave. Don't wait to find out whether it was a spoof.
3. **Respect the reloader.** Don't scalp long into a seller who keeps refreshing. Wait for them to finish.
4. **Trade the release.** When the reload stops and the level is cleared, that's often the cleanest entry of the day.
5. **Watch the tape at the level.** Volume traded at a price tells you more than volume displayed at it.
6. **Be extra sceptical in thin stocks.** That's where manipulation and misleading size are most common.

</Steps>

The next post covers what happens after you're in: how to tell when the tape has stopped confirming your trade, and why the best scalpers exit on time as much as on price.

<SeriesNav series="asx-order-book" />

<Disclaimer />


d7c2afb05f974dedea186a98c7a5b36629919d33875edd6fc85dbce9afcc90e8

How to spot spoofed orders, iceberg orders and reloading sellers in the ASX order book, and how intraday traders trade around them.

The order book is not always honest. Some walls vanish when price gets close, and some of the most important orders are barely visible. How ASX intraday traders distinguish fake size from real size, detect a reloading seller, and trade around the moment a hidden order finishes.

Tag: Tape Reading

Tag: Tape Reading

Spoofs, Icebergs and Reloading Orders