EVA Help

Working with the order book

What it is

The order book is the queue of limit orders: who is ready to buy below the price (buyers, at the bottom) and sell above it (sellers, at the top). The panel on the right shows this queue live and, around it, what is being removed from it and added to it, where large orders sit further from the price, and what actually traded at each price. The order book shows intentions, not trades: an order can be pulled in a fraction of a second, so it is read together with the tape.

More: how we calculate it

What it looks like in EVA

the
BTC · 1h · now — snapshot 09.10 14:13 MSK — the "Order Book" panel on the right (11 levels, "± 60 s" on) and the "Traded at price" block over 15 minutes, live at the moment of the snapshotOpen in terminal

How it is read

Typical patterns: how they are read and how they are used. Examples from our history for these patterns will appear later — mechanical search has not found them yet, and we chose not to pick them by hand.

1. A wall stands, the price approaches and bounces

How it is read: there is a large order at the level, "stands N min" keeps growing, the price touches and moves away. Many consider such a wall genuine: its owner is not afraid to show it.

An example will appear later.

2. The wall gets eaten

How it is read: the wall size melts, and in "Traded at price" volume against it grows at that price. Many expect that once the wall is eaten, the price will push through further.

An example will appear later.

3. The wall is pulled and placed further away

How it is read: in "± 60 s" there is a big minus at one level and an equal plus at the neighboring one; the price never reached the wall. Many see this as a participant who does not want the order filled.

An example will appear later.

4. The wall disappears as the price approaches

How it is read: a large order stood while the price was far away and vanished before the touch. This is called spoofing: the order was there to scare, not to trade.

An example will appear later.

When it does not work

No pattern works every time: the order book explains intentions better than it tells whether they will be filled: an order can be pulled in an instant.

Common traps

See also

In the terminal: Book & flow

The right column next to the chart: the order book, cumulative delta for futures and spot, positioning (open interest, funding, basis, long/short), the book heatmap, limit walls, large trades, liquidations, waves and wall events. Every block has a “?” — what it is and what it does not show. The \ key hides the column.

On the phone

The Book tab at the bottom of the screen: the order book as a ladder (asks above, bids below, the price, spread and imbalance between them), the tape of large trades, cumulative delta for futures and spot, positioning (open interest, funding, basis, long/short), limit walls, liquidations, waves and wall events. The “Book · Tape” switch is at the top. Every block has a “?” — what it is and what it does not show.