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DolphinDB

@DolphinDB_Inc

articles: 13
total claps: 929
top claps: 259
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active: 2024-10-24 → 2026-07-01

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ECO

DO DolphinDB

Calculating ETF Option Implied Volatility and Greeks

Implied volatility (IV) is a key metric reflecting market expectations of future volatility. It is typically calculated using iterative…

May 20, 2025 · 10 min read · 259 claps #options-trading #fintech #finance

Calculating ETF Option Implied Volatility and Greeks

ECO

DO DolphinDB

Best Practices for Strategy Backtesting in Cryptocurrency Markets with DolphinDB

DolphinDB’s crypto backtesting plugin tackles the challenges of evaluating cryptocurrency trading strategies with its high-performance…

May 29, 2025 · 14 min read · 195 claps #dolphindb #cryptocurrency #backtesting

Best Practices for Strategy Backtesting in Cryptocurrency Markets with DolphinDB

AI SCI

DO DolphinDB

Extending Window Functions: TopN Enables Advanced Windowing Operations

In data analysis, we often encounter scenarios like calculating the average stock price for the 10 most actively traded days within a…

Apr 02, 2025 · 8 min read · 102 claps #big-data #data-science #window-functions

Extending Window Functions: TopN Enables Advanced Windowing Operations

TCH MDA MKT

DO DolphinDB

Using OOP to Develop Operators for Reactive State Engine

With the growing demand for real-time stream processing, efficient and scalable stream computing frameworks have become increasingly…

May 23, 2025 · 6 min read · 102 claps #real-time-analytics #dolphindb #streaming

Using OOP to Develop Operators for Reactive State Engine

TCH ECO MKT

DO DolphinDB

Calculating High-Frequency Factors in Real-Time

DolphinDB is a real-time analytics and stream processing platform powered by distributed time-series databases. It delivers…

Apr 03, 2025 · 14 min read · 101 claps #dolphindb #quantitative-finance #fintech

Calculating High-Frequency Factors in Real-Time

ECO AI SCI

DO DolphinDB

Factor Calculation Solutions Compared: Python + HDF5 vs. DolphinDB

In quantitative trading, calculating high-frequency factors based on L1/L2 market quotes and high-frequency trading data is a common…

Mar 27, 2025 · 8 min read · 51 claps #data-science #dolphindb #python

Factor Calculation Solutions Compared: Python + HDF5 vs. DolphinDB

ECO TCH

DO DolphinDB

Portfolio Optimization: A Guide to DolphinDB Optimization Solvers

Linear and nonlinear programming are fundamental to operations research, with broad applications in finance and economics. In quantitative…

Mar 19, 2025 · 14 min read · 33 claps #dolphindb #optimization #data-analysis

Portfolio Optimization: A Guide to DolphinDB Optimization Solvers

ECO AI SCI

DO DolphinDB

Factor Calculation Performance Compared: Python + File Storage vs. DolphinDB

In quantitative trading, high-frequency calculation is a common requirement for research and investment strategies. However, the…

Mar 25, 2025 · 9 min read · 28 claps #data-science #python #performance-testing

Factor Calculation Performance Compared: Python + File Storage vs. DolphinDB

ECO AI

DO DolphinDB

DolphinDB Database Cache Management and Cleanup

Database caching can significantly enhance the performance and responsiveness of DolphinDB. However, redundant or outdated cache may…

Jun 24, 2025 · 11 min read · 23 claps #database #out-of-memory #data-storage

DolphinDB Database Cache Management and Cleanup

ECO

DO DolphinDB

Crypto Trading Simulation for Live Market Execution (Trading with TWAP Strategy)

This chapter explores the use of crypto trading simulators as a bridge between strategy development and live trading.

Oct 24, 2024 · 7 min read · 20 claps #twap #crypto #trading

Crypto Trading Simulation for Live Market Execution (Trading with TWAP Strategy)

MDA MKT

DO DolphinDB

Real-Time Decision-Making: How AI and Low-Latency Computing Are Reshaping Digital Twins

Digital twins have long been understood as high-fidelity replicas of the physical world. Whether modeling entire cities through GIS systems…

Jan 20, 2026 · 4 min read · 10 claps #digital-twin #ai-infra #real-time-streaming-data

Real-Time Decision-Making: How AI and Low-Latency Computing Are Reshaping Digital Twins

TCH ECO MDA

DO DolphinDB

Quick Guide to a Unified Batch-Stream Computing Platform

This tutorial describes how to build a DolphinDB-based computing platform that supports both batch and stream processing.

Nov 20, 2024 · 14 min read · 5 claps #dolphindb #streaming #factor

Quick Guide to a Unified Batch-Stream Computing Platform

ECO TCH

DO DolphinDB

Building Real-Time Order Book Snapshots at Any Frequency with DolphinDB

If you’ve ever tried to reconstruct a live order book from raw tick data, you know the pain. Latency spikes. Out-of-order messages. Memory…

Jul 01, 2026 · 13 min read · 0 claps #market-data-analysis #quantitative-finance #algorithmic-trading