> For the complete documentation index, see [llms.txt](https://docs.tread.fi/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.tread.fi/tread-tools/market-scan.md).

# Market Scan

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A universal perps market health scanner designed to give users a live, real time overview of market conditions across multiple exchanges and trading pairs. Allowing them to quickly identify which are calm/liquid enough to trade. The OI/BBO ratio in particular can be a useful signal for gauging how much depth exists relative to open positions.&#x20;

## Includes&#x20;

* Markets: total number of active markets currently being tracked&#x20;
* Avg OI/BBO: average Open Interest relative to the Best Bid/Offer&#x20;
* 24H Volume: total volume across all markets in the last 24 hours&#x20;
* Last Sync: date and time of last data update

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**Per-market table**&#x20;

* Symbol&#x20;
* Stability&#x20;
* OI/BBO&#x20;
* Volume&#x20;
* Status&#x20;
* Score&#x20;

## Stability/Status Classification System&#x20;

Calm = Stable for 10+ minutes&#x20;

Steady = Stable for 5+ minutes&#x20;

Choppy = Stable for 2+ minutes&#x20;

Volatile = Changing in under 2 minutes

<figure><img src="/files/AIxoGcS0ADFghCICIvts" alt=""><figcaption></figcaption></figure>

## Filters&#x20;

Users can filter the table by Volume (e.g. All high, All low etc.), and markets with zero OI/BBO or zero volume are automatically excluded from the table.&#x20;

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