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ATAS is a trading and analytics platform centered on volume, order flow and market depth. Its footprint charts reveal transactions inside a candle, while profiles, Smart Tape and Smart DOM organize activity across prices and time.
The platform is relevant to traders who want to investigate how a move developed, not only where a candle opened and closed. Its practical value is the ability to compare price progress with executed volume, aggressive participation and available liquidity in one workspace.
Analysis and execution depend on the selected market and connection. A software subscription, a live exchange feed and a brokerage account are separate parts of the setup.
At a glance
| Field | Details |
|---|---|
| Tool type | Volume and order-flow analysis platform with trading connections. |
| Markets | Futures, equities and crypto through supported providers. |
| Main use | Read footprints, volume profiles, transaction flow and market depth. |
| Best suited to | Active traders studying intraday participation and execution. |
| Setup requirement | Choose a compatible feed and platform version; live data and MBO access have separate requirements. |
Table of contents
Browse sections
Footprint charts: inside the candle
A footprint divides a bar into individual price levels. Depending on the selected mode, it displays traded volume, transaction counts, bid-and-ask volume or delta. The official footprint guide explains how those views are constructed from tick data.
This provides detail a conventional candle cannot. Two bars with similar high, low and closing prices may contain very different distributions of activity. One may show repeated aggressive buying near its high; another may show most trading concentrated lower in its range.
The distinction helps formulate a question about participation. It does not turn a cluster of numbers into a self-contained entry signal. Interpretation still requires the price location, session conditions and what happens next.
Bid-and-ask volume is an execution classification
Transactions classified at the offer are commonly treated as aggressive buying; transactions at the bid are treated as aggressive selling. Each execution nevertheless has a buyer and a seller. The distinction describes which side sought immediate execution.
Delta expresses the difference between those classified quantities. Positive delta and a falling price can coexist: aggressive buyers may be trading against sufficient passive selling, or the sequence of trading may differ across the bar.
Rather than declaring one reading wrong, inspect the distribution and price response. Also verify whether a displayed number refers to one price level, one candle or the cumulative session.
Profiles, tape and DOM answer different questions
Volume profiles summarize where trading occurred over a selected period. The session definition and selected range affect the result. A high-volume node is evidence of activity within that sample, not proof that future orders remain there.
Smart Tape organizes individual transactions and supports a more immediate reading of activity. Filters can make the display manageable, but excluded trades still exist in the market. Changing the minimum size midway through a review changes the evidence being shown.
Smart DOM focuses on the order book and trading around the current price. Resting orders can be added, pulled or executed. Large displayed size should therefore be evaluated through its persistence and interaction with transactions.
Together, these tools distinguish three things that are easy to confuse: where volume accumulated, what is trading now and what liquidity is currently displayed.
What MBO adds
Market by Order supplies individual-order detail beyond the aggregate quantity at a price. ATAS lists tools such as Iceberg Tracker, Stop Runs Tracker and Sweeps Tracker within its MBO offering.
Their usefulness depends on compatible data and current feature entitlement. A platform package cannot create order-level information absent from the connection, and detected patterns do not reveal a participant’s complete portfolio or intention.
Check the exact requirements of the indicator you want. In particular, distinguish a permanent software entitlement from access to an add-on supplied under separate or promotional conditions. The official pricing comparison is the appropriate place to confirm current inclusions.
Market Replay: check how the past is reconstructed
ATAS Replay supports different reconstruction modes. Its official description distinguishes generated ticks and DOM, actual ticks with generated DOM, and actual ticks with historical depth.
That difference is fundamental. Generated depth can help practice the interface, but it should not be treated as evidence of the precise liquidity that existed in the original session. A study of historical pulling, stacking or queue behavior needs the appropriate underlying depth data.
Playback speed also changes the task. Faster replay is useful for navigation; a difficult execution sequence may require normal-speed or slower inspection. Availability of dates, instruments and historical detail needs to be checked for the chosen mode and subscription.
Getting started
- Choose your version and connection. Check whether Classic ATAS or ATAS X supports the tools you need. For futures practice, identify ATAS SIM as delayed data; for live analysis, connect a supported broker or data provider.
- Open one instrument and one footprint. Confirm the exact contract or symbol, then choose a bid-and-ask or delta view. Keep the bar construction and price aggregation fixed while learning how the numbers change.
- Set the session and profile range. Display a normal price chart beside the footprint and apply a volume profile to the same session. This makes the relationship between activity inside each bar and volume across prices easier to inspect.
- Replay one selected session. Choose the reconstruction mode before playback. Use actual ticks with historical depth when the study depends on past order-book behavior, and inspect the first sequence at a readable speed.
Suppose a bar contains strong positive delta but closes back below a previously chosen reference. That is a reason to examine how buying was absorbed, not an automatic instruction to sell. A useful review records the sequence and the condition under which the interpretation fails.
Data connections and platform versions
The connector guide describes broker, exchange and data-provider routes. ATAS SIM supplies a delayed futures simulation environment; it should not be confused with a paid real-time exchange connection. Viewing crypto, equities and futures can involve different providers and permissions.
Confirm the instrument, contract, depth and timestamp before judging a signal. Also check how historical ticks are supplied and whether a connection supports order routing or analysis only.
The current download page distinguishes Classic ATAS for Windows from ATAS X, offered as a beta for Windows and macOS. It explicitly notes that transferring the full feature set takes time. Check the particular tools you need in the chosen version rather than assuming complete parity.
Choosing access and evaluating value
ATAS offers multiple feature tiers. Compare the tools, connection limits, historical access and supported operating system against a concrete workflow. Include separate market-data costs and the conditions of any add-on when assessing the total commitment.
The platform is most compelling for traders who actively use transaction-level analysis and want a configurable research and execution workspace. A newcomer can still learn through a controlled replay routine, but displaying every available indicator usually makes the underlying question harder to see.
A productive evaluation starts with one hypothesis and several comparable sessions. Judge whether the software improves the consistency of observation and decisions before adding complexity.