KX
Time series intelligence software
Real-time analytic database software
Time series databases
Vector database software
Stream analytics software
Columnar databases
Database software
Data integration tools
Cloud data integration software
- Features
- Ease of use
- Ease of management
- Quality of support
- Affordability
- Market presence
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- Banking and insurance
- Transportation and logistics
- Healthcare and life sciences
What is KX
KX is a time-series data platform centered on the kdb+ columnar database and the q language for storing, querying, and analyzing high-volume event and market data. It is used for real-time and historical analytics in latency-sensitive environments such as trading, risk, surveillance, and operational telemetry. The platform combines an in-memory/columnar database with streaming ingestion and analytics components, and it is commonly deployed on-premises and in cloud environments. KX also provides tooling and packaged solutions that sit on top of kdb+ for specific time-series and streaming use cases.
High-performance time-series engine
kdb+ is designed for append-heavy, time-ordered data and supports fast scans and aggregations using a columnar layout and in-memory processing. It is widely used in environments where query latency and throughput are primary constraints. The q language enables concise time-series transformations and analytics that are difficult to express efficiently in general-purpose SQL-only systems.
Real-time streaming analytics support
KX supports ingesting and processing streaming data alongside historical data, enabling continuous calculations and alerting patterns. Typical implementations use it for real-time monitoring, market data processing, and intraday analytics where results must update as events arrive. This reduces the need to move data into separate stream-processing and analytical systems for certain workloads.
Flexible deployment and integration
KX deployments commonly run on-premises for low-latency requirements and can also run in cloud infrastructure depending on architecture and governance needs. The platform integrates with external feeds, message buses, and downstream analytics tools through connectors and APIs. This makes it suitable as a central time-series store that serves multiple consuming applications and teams.
Specialized language and skills
Effective use of kdb+ typically requires proficiency in q, which is less common than SQL and mainstream programming languages. This can increase hiring and training effort and may slow adoption outside specialist teams. Organizations often need to establish internal standards and libraries to make development and maintenance consistent.
Operational complexity at scale
Large, always-on deployments can require careful design around partitioning, retention, and high availability to meet performance and resiliency goals. Operational practices (backup/restore, upgrades, capacity planning) are not always as standardized as in more general-purpose managed database services. Teams may need dedicated platform engineering support for production environments.
Not a general-purpose database
KX is optimized for time-series/event analytics and may be less suitable for document-centric, transactional OLTP, or broad mixed-workload use cases. Some organizations still pair it with other systems for enterprise reporting, governance, or application data management. This can increase overall architecture complexity when requirements extend beyond time-series analytics.
Plan & Pricing
| Plan | Price | Key features & notes |
|---|---|---|
| Commercial / Enterprise | Not published (contact sales) | Commercial kdb+/KX Platform licensing is negotiated with KX; requires license files (k4.lic/kc.lic/.delta.lic). Trial/evaluation licenses are available by request; downloads, demos, and "Book a demo" flows are provided on the vendor site. |
| KDB‑X Community Edition | Free | KX published a free Community Edition of KDB‑X (developer-focused, no-cost) for download and developer use (announced Nov 19, 2025). |
Notes: No publicly listed subscription tiers, per-seat pricing, or pay-as-you-go rates were found on the official KX site. Commercial pricing requires contacting KX sales.
Seller details
KX Systems, Inc.
Palo Alto, California, United States
1993
Private
https://kx.com/
https://x.com/kxsys
https://www.linkedin.com/company/kx-systems
