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Top Market Data (Level I)

Using the TWS API, you can request real time market data for trading and analysis. It is important to mention that our real time market data is not tick-by-tick meaning you will not obtain every single price movement happening in the market. Instead, real time data is given as snapshots generated at a fixed given pace:

ProductFrequency
Default250 ms
US Options100 ms
FX pairs5 ms

Requesting Market Data

Receiving Market Data

Cancelling streaming data

Receiving exchange components

Market Data Types