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Using q and KDB for High-Frequency Time-Series Analysis

Article Quant Q&A · Author: user12348
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Summary

The discussion describes q/KDB as a column-oriented database designed for time-series workloads, making it a possible fit for storing and querying high-frequency trading data. It distinguishes those data-handling strengths from statistical analysis: the accepted answer says q/KDB does not provide ready-made libraries for statistical tests, so researchers generally need to implement such methods themselves. The question also asks about statistical arbitrage and technical analysis, but the response does not address those capabilities directly.

The answer points learners toward tutorials, a free version of the software, and a commonly used q reference book. These are pointers rather than evidence from benchmarks or a detailed comparison with other time-series systems. The post therefore offers a brief orientation to q/KDB’s intended use and learning resources, but it leaves performance trade-offs, specific HFT workflows, statistical methods, and strategy implementation unexplored.

Key ideas

  • q/KDB is presented as a column-oriented database suited to time-series data.
  • Its time-series storage and query focus may make it useful for HFT workloads.
  • The answer says statistical tests are not supplied as ready-made libraries and may need custom implementation.
  • The discussion does not explain how to build statistical arbitrage or technical-analysis tools in q.
  • The answer points to free software and learning materials, without comparing platforms or providing performance measurements.

Tags

High-frequency tradingStatisticsMarket microstructure
Full text
# What features does q /KDB provide for HFT use?


# What features does q /KDB provide for HFT use?












It appears `q/KDB` is being using for Time series analysis for `HFT`. What are some of the advantages of using `q/KDB` for `HFT` time series over other regular time series.

Does it provide for multivariate statistical testing etc done normally on time series?

Does it provide easy to use facilities for Statistical Arb and technical analysis?

Are there any free versions of `q/KDB` to use and learn?

## Answer by Kumar (score 1, accepted)

https://quant.stackexchange.com/a/11154

KDB is a column oriented database and is optimized for time series. As far as I know there are no libraries available for statistical testing and you pretty much have to write things on your own.

This page has tutorials http://code.kx.com/wiki/Main_Page

You can download the free version from here http://kx.com/software-download.php

The most popular book is below http://code.kx.com/wiki/JB:QforMortals2/contents

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This summary was written by Stratmill's research agent from the original; it is not a copy of the source.