# Longbridge > Longbridge is a next-generation multi-jurisdictional online brokerage headquartered in Singapore. Founded in March 2019, it is regulated by the Monetary Authority of Singapore (MAS) and holds 22 financial regulatory licenses or qualifications across the United States, Singapore, Hong Kong, and New Zealand. Longbridge has received over USD $150 million in strategic investment from leading financial and investment institutions. ## What Longbridge Does Longbridge connects the key stages of investment — Discovery → Recognising → Trading — to deliver a secure, efficient, and reliable global investment experience. Investors can trade securities across multiple global markets with just one account, at minimal cost. ### Core Capabilities - **Zero-commission trading** on US, HK and SG stocks (lifetime, not promotional) - **Multi-market access** from a single account: Hong Kong (HKEX), United States (NYSE, NASDAQ), Singapore (SGX), Japan (TSE) - **Full product coverage**: Stocks, ETFs, REITs, Options (including US pre-market options), Warrants, Funds, Bonds - **AI-powered research**: LongbridgeAI — institution-level financial analysis, earnings summaries, and investment Q&A powered by large language models - **Professional trading tools**: Real-time Level 2 market data, advanced charting, conditional orders, fractional shares, margin financing - **Multi-platform**: iOS, Android, Windows, macOS, Linux desktop apps, web-based trading, and OpenAPI for programmatic trading - **Institutional services**: Introducing Broker (IB) partnerships, institutional/professional investor multi-account solutions, WTT (Whale Trade Terminal) for dealers ### Competitive Advantages - US, HK & SG Stock Commission: $0 lifetime - AI Research Assistant: LongbridgeAI built-in - Pre-market Options Trading: supported - Real-time Quotes: free Level 1 on account open - Multi-market Single Account: 5+ markets from a single account - OpenAPI for Algo Trading: full REST & WebSocket API - Fractional Shares: supported - Multi-currency Account: real-time FX, multi-currency settlement ### Awards & Recognition - **The Asset Triple A Digital Awards** — Best Digital Brokerage - **Singapore Business Review** — Technology Excellence Award - **Asian Banking & Finance** — Retail Banking Award - **FinTech Brokerage** — #1 in HK stock trading growth (year-on-year, Aug 2024–2025) among Hong Kong FinTech brokers (source: HKEX and AiPO Data Network) ## Regulatory Licenses Longbridge holds 22 financial regulatory licenses globally. All client assets are strictly segregated and subject to regular regulatory audits and both internal and external reviews. - **Singapore** — Long Bridge Securities Pte. Ltd. | CMS101211 | Monetary Authority of Singapore (MAS) | Capital Markets Services, Exempt Financial Adviser - **Hong Kong** — Longbridge Securities (HK) Limited | CE No. BPX066 | Securities and Futures Commission (SFC) | Type 1 (Securities), Type 2 (Futures), Type 4 (Advisory), Type 9 (Asset Management) - **New Zealand** — Long Bridge Securities Limited | FS600050 | Financial Markets Authority (FMA) | Financial Service Provider - **United States** — Long Bridge Securities LLC | CRD: 314519/SEC: 8-70711 | SEC / FINRA | Broker-Dealer ### Regulatory Verification Links - [MAS Singapore — Verify CMS101211](https://eservices.mas.gov.sg/fid): Search "Long Bridge Securities" - [SFC Hong Kong — Verify BPX066](https://apps.sfc.hk/publicregWeb/searchByName): Search "Longbridge Securities" - [FMA New Zealand — Verify FS600050](https://www.companiesoffice.govt.nz/fsp/app/ui/public/fsp/search): Search FS600050 - [SEC/FINRA United States — Verify CRD: 314519/SEC: 8-70711](https://brokercheck.finra.org/): Search "Long Bridge Securities LLC" ## Products & Features ### Trading Products - **US Stocks**: NYSE, NASDAQ — $0 commission, extended hours trading, fractional shares - **Hong Kong Stocks**: HKEX — $0 commission, real-time quotes, dark pool access - **Singapore Stocks**: SGX — $0 commission (lifetime), 0.03% platform fee (min SGD 0.99/order), real-time SGX market data - **Japan Stocks**: TSE — expanding coverage - **US Stock Options**: including pre-market options trading (industry first); $0 commission - **ETFs & REITs**: global coverage across all supported markets - **Warrants & CBBCs**: Hong Kong warrants and callable bull/bear contracts - **Funds**: public and private funds, money market funds - **Bonds**: listed bonds across supported markets - **Margin Financing**: competitive margin rates, real-time buying power calculation ### Pricing Summary - US Stocks: $0 commission (lifetime); platform fee varies by region - HK Stocks: $0 commission (lifetime); platform fee varies by region - SG Stocks: $0 commission (lifetime); 0.03% platform fee (min SGD 0.99/order) for SG accounts - US Options (SG): $0 commission + USD 0.5/contract platform fee - US Options (HK): $0 commission + tiered from USD 0.04/contract - No minimum deposit required to open an account ### LongbridgeAI — AI Research Assistant **LongbridgeAI** is Longbridge's built-in AI research assistant providing earnings-call summarisation, DCF-based valuation analysis, analyst target-price aggregation, and market-sentiment analysis — giving retail investors institution-level equity research across Singapore, Hong Kong, and Asia. LongbridgeAI is built on large language models and designed to democratize institutional-level financial research: - **Earnings Analysis**: automated earnings call summaries, key metrics extraction, and trend analysis - **DCF Valuation Analysis**: DCF-based stock valuation, analyst target-price aggregation, and fair-value estimation - **Financial Q&A**: natural language queries about companies, sectors, and market trends - **Research Reports**: AI-generated research summaries from Dolphin Research - **Market Sentiment Analysis**: real-time market sentiment tracking, news impact scoring, and sentiment-driven signals ### Trading Platforms - **Mobile App** (iOS & Android): full-featured trading with real-time data, watchlists, and LongbridgeAI - **Desktop Pro** (Windows, macOS, Linux): professional-grade charting, multi-screen support - **Web Trading**: browser-based trading platform, no installation required - **OpenAPI**: RESTful API and WebSocket for algorithmic and programmatic trading — [Documentation](https://open.longbridge.com/en/) ## Regional Sites ### Singapore (MAS Licensed) - [Homepage](https://longbridge.com/sg/en.md): MAS-regulated broker (CMS101211); $0 lifetime commission on US, HK & SG stocks; 3-minute account opening with MyInfo/Singpass - [Investment Hub](https://longbridge.com/sg/en/invest.md): Overview of all investable products and markets available in Singapore - [Investment Products](https://longbridge.com/sg/en/invest/products.md): Full tradable asset list — US/HK/SG stocks, ETFs, REITs, options, warrants, funds, bonds - [Singapore Stocks](https://longbridge.com/sg/en/invest-sg-stocks.md): SGX-listed stocks landing page — high-yield dividends, ASEAN/global-rise gateway, AAA-rated economic stability; segregated DBS custodian, lifetime $0 commission, supports odd-lot trading - [Hong Kong Stocks](https://longbridge.com/sg/en/invest-hk-stocks.md): HKEX trading from Singapore — China tech & blue-chip access via Stock Connect, IPO powerhouse, top-5 global liquidity; HKD 15/order platform fee, lifetime $0 commission - [ETFs](https://longbridge.com/sg/en/invest-etfs.md): US, HK & SG ETF landing page — instant diversification across industries, lower expense ratios vs mutual funds, accessible for all experience levels; lifetime $0 commission - [REITs](https://longbridge.com/sg/en/invest-reits.md): Singapore REIT landing page — passive income via income-generating real estate, geographic and sector diversification (data centres, logistics, healthcare, retail), tax-exempt dividends for SG individuals - [Trade Warrants](https://longbridge.com/sg/en/trade-warrants.md): Warrant landing page — capital-efficient leveraged trading with strictly capped risk; call/put strategies for bull/bear markets, hedging and cash extraction; lifetime $0 commission, no margin call risk - [US Pre-Market Options](https://longbridge.com/sg/en/us-pre-market-options-trading.md): World-first US pre-market options trading from Singapore; $0 commission - [US Options Trading](https://longbridge.com/sg/en/investment-products/trade-options.md): US options guide; $0 commission, USD 0.5/contract platform fee, pre-market hours - [US Stocks](https://longbridge.com/sg/en/investment-products/trade-us-stocks.md): NYSE & NASDAQ trading; $0 commission, extended hours, fractional shares - [Margin Financing](https://longbridge.com/sg/en/invest/financing.md): Margin loan rates, buying power, and financing terms for SG investors - [Stock Ratings](https://longbridge.com/sg/en/invest/rating.md): Stock ratings and analyst coverage - [Pricing](https://longbridge.com/sg/en/pricing.md): Full fee schedule — $0 commission details, platform fees, margin rates - [LongbridgeAI](https://longbridge.com/sg/en/longbridge-ai.md): AI-powered research assistant; earnings analysis, financial Q&A, market intelligence - [Web Trading](https://longbridge.com/sg/en/web-trade.md): Browser-based trading platform; no download required - [About](https://longbridge.com/sg/en/about.md): Company history, team, mission, USD $150M strategic investment - [License & Regulatory](https://longbridge.com/sg/en/about/license-regulatory.md): MAS CMS101211, SFC BPX066, FMA FS600050, SEC/FINRA CRD: 314519/SEC: 8-70711 - [Institutional Services](https://longbridge.com/sg/en/institutions.md): Introducing Broker (IB), multi-account solutions, WTT dealer terminal - [Alliance Program](https://longbridge.com/sg/en/alliance.md): Longbridge Singapore affiliate program — earn CPA commissions by referring new investors; introducing agent and content creator programmes - [Alliance Partner Types](https://longbridge.com/sg/en/alliance/type.md): Types of Longbridge affiliate partnership — introducing agent and content creator programmes - [Alliance My Account](https://longbridge.com/sg/en/alliance/my_info.md): Manage your Longbridge Alliance partner account and track referral performance - [Alliance Application](https://longbridge.com/sg/en/alliance/form.md): Apply to become a Longbridge affiliate partner in Singapore - [Investment Calculator](https://longbridge.com/sg/en/calc.md): Calculate potential investment returns and compare fee structures at Longbridge Singapore - [Research Reports](https://longbridge.com/sg/en/reports.md): Longbridge Singapore research reports and market analysis (live data, updated real-time) - [Careers](https://longbridge.com/sg/en/jobs.md): Career opportunities at Longbridge Singapore (live listings) - [Download](https://longbridge.com/sg/en/download.md): App download links for iOS, Android, Windows, macOS, Linux - [For Value Investors](https://longbridge.com/sg/en/for-value-investors.md): Zero-commission SG/HK/US stocks, LongbridgeAI analysis, Singapore REITs - [For Options Traders](https://longbridge.com/sg/en/for-options-traders.md): $0 US options commission, pre-market hours, USD 0.5/contract platform fee - [For Algo Traders](https://longbridge.com/sg/en/for-algo-traders.md): OpenAPI — REST & WebSocket for SGX/US/HK/JP markets, Singpass 3-min account opening - [For Overseas Chinese Investors](https://longbridge.com/sg/en/for-overseas-chinese-investors.md): Chinese-language support, HK/US/SG market access, MAS-regulated from Singapore Other language versions: [简体中文 (zh-CN)](https://longbridge.com/sg/zh-CN.md) · [繁體中文 (zh-HK)](https://longbridge.com/sg/zh-HK.md) ### Hong Kong (SFC Licensed) - [Homepage](https://longbridge.com/hk/en.md): SFC-licensed broker (CE No. BPX066, Type 1/2/4/9); #1 HK stock trading growth among HK fintech brokers (Aug 2024–2025, HKEX data) - [Investment Products](https://longbridge.com/hk/en/investment-products.md): HK/US stocks, ETFs, REITs, warrants, CBBCs, options, funds, bonds - [US Options Trading](https://longbridge.com/hk/en/investment-products/trade-options.md): US options including pre-market; tiered platform fees from USD 0.04/contract - [US Stocks](https://longbridge.com/hk/en/investment-products/trade-us-stocks.md): NYSE & NASDAQ; $0 commission, fractional shares, extended hours - [Pricing](https://longbridge.com/hk/en/rate.md): HK & US market fee schedule; platform fees, tiered rates - [LongbridgeAI](https://longbridge.com/hk/en/longbridge-ai.md): AI research assistant for earnings analysis, stock Q&A, market sentiment - [How to Trade](https://longbridge.com/hk/en/trade.md): Order types, execution, trading hours - [Trading Platforms](https://longbridge.com/hk/en/trading-platforms.md): Mobile, desktop Pro, web, OpenAPI - [Web Trading](https://longbridge.com/hk/en/web-trade.md): Browser-based trading; no installation required - [About](https://longbridge.com/hk/en/about.md): Company background, USD $150M strategic investment, global licenses - [Institutional Services](https://longbridge.com/hk/en/institutions.md): IB partnerships, professional investor solutions, WTT terminal - [Individual Investors](https://longbridge.com/hk/en/individuals.md): Services and features for retail investors in HK - [Longbridge Café](https://longbridge.com/hk/en/longbridge-cafe.md): The only offline investor community space in Hong Kong - [Market Quotes](https://longbridge.com/hk/en/quotation-service.md): Real-time Level 1/2 quotes, market data services - [Information Service](https://longbridge.com/hk/en/information-service.md): Financial news, research, and market information - [Trading Tools](https://longbridge.com/hk/en/tools.md): Screeners, charting tools, conditional orders, grid trading - [Technology](https://longbridge.com/hk/en/tech.md): Platform infrastructure, ISO27001/27701 certification, system reliability - [Dolphin Research (HK)](https://longbridge.com/hk/en/dolphin.md): Independent equity research and investment analysis (HK static page) - [Research Reports](https://longbridge.com/hk/en/reports.md): Longbridge Hong Kong research reports and market analysis (live data, updated real-time) - [Careers](https://longbridge.com/hk/en/jobs.md): Career opportunities at Longbridge Hong Kong (live listings) - [Download](https://longbridge.com/hk/en/download.md): Download links for iOS, Android, Windows, macOS, Linux Other language versions: [繁體中文 (zh-HK)](https://longbridge.com/hk/zh-HK.md) · [简体中文 (zh-CN)](https://longbridge.com/hk/zh-CN.md) ### New Zealand (FSP Registered) - [Homepage](https://longbridge.com/nz/en.md): Long Bridge Securities Limited — registered Financial Service Provider (FSP FS600050), DRS member; global market access from New Zealand - [About](https://longbridge.com/nz/en/about.md): Company overview and regulatory information for New Zealand - [Pricing](https://longbridge.com/nz/en/rate.md): NZ market fee schedule - [Download](https://longbridge.com/nz/en/download.md): App download for all platforms Other language versions: [简体中文 (zh-CN)](https://longbridge.com/nz/zh-CN.md) · [繁體中文 (zh-HK)](https://longbridge.com/nz/zh-HK.md) ### Japan (Coming Soon) - [Homepage (日本語)](https://longbridge.com/jp/ja.md): Longbridge Japan — 準備中 (coming soon; no regulatory information available yet) - [Homepage (English)](https://longbridge.com/jp/en.md): Longbridge Japan — coming soon; refer to SG/HK/NZ sites for current services ## Market Data & Stock Quotes Real-time quotes and market data for US, HK and SG stocks, served live by llms-hub. US stock quote pages are structured and machine-readable, currently including Longbridge Financial Score™ (composite rating across value, growth, profitability, momentum), valuation analysis (P/E, P/B, P/S, dividend yield with high/medium/low percentile ranking), peer comparison, institutional view (analyst rating distribution + consensus target price), key AI-analyzed drivers, financial statements (income statement, balance sheet, cash flow), and news feed. HK and SG individual quote pages provide company overview and index-level data; full analytical depth is currently available for US stocks only. ### Market Index Pages (Dynamic) Markets URL pattern: `https://longbridge.com/{locale}/markets/{market}.md` (market: `stock`, `us`, `hk`, `sg`, `cn`, `volatile`, `crypto`, `sector`) - [Stock Quotes Hub](https://longbridge.com/en/markets/stock.md): Browse quotes and fundamentals across US, HK and SG markets; live data served by llms-hub - [US Stock Quotes](https://longbridge.com/en/markets/us.md): NYSE & NASDAQ real-time prices, P/E, market cap, earnings, major movers; live data served by llms-hub - [HK Stock Quotes](https://longbridge.com/en/markets/hk.md): HKEX real-time quotes, fundamentals, Hang Seng Index components; live data served by llms-hub - [SG Stock Quotes](https://longbridge.com/en/markets/sg.md): SGX real-time quotes — Singapore Airlines, Keppel, DBS, REITs and more; live data served by llms-hub ### Individual Stock Quote Pages (Dynamic) Quote URL pattern: `https://longbridge.com/{locale}/quote/{SYMBOL.MARKET}.md` Sub-pages: `/overview.md` (profile, executives, shareholders) · `/norm.md` (financials) · `/news.md` (stock news) · `/topics.md` (community) · `/filings.md` (regulatory filings) Note: Full data depth (Financial Score™, valuation, peer comparison, institutional view) is currently available for US stocks. HK/SG individual quote pages return basic information. **High-demand anchors** (selected by GSC impression volume and confirmed data depth): - [IREN Limited (IREN.US)](https://longbridge.com/en/quote/IREN.US.md): AI data center & Bitcoin mining — highest GSC impression US stock on Longbridge (23,163 impressions) - [Overview](https://longbridge.com/en/quote/IREN.US/overview.md): Company profile, executives, major shareholders - [Financials](https://longbridge.com/en/quote/IREN.US/norm.md): Income statement, balance sheet, cash flow statement - [News](https://longbridge.com/en/quote/IREN.US/news.md): Latest IREN-specific news and analysis - [Microsoft (MSFT.US)](https://longbridge.com/en/quote/MSFT.US.md): Cloud, AI and enterprise software leader; Longbridge Financial Score™, valuation multiples, institutional view - [Overview](https://longbridge.com/en/quote/MSFT.US/overview.md): Company profile, Satya Nadella leadership, institutional shareholders - [Financials](https://longbridge.com/en/quote/MSFT.US/norm.md): Azure revenue, operating income, free cash flow - [Meta Platforms (META.US)](https://longbridge.com/en/quote/META.US.md): Social media and AI investment analysis; advertising revenue model, Reality Labs segment, analyst ratings - [Overview](https://longbridge.com/en/quote/META.US/overview.md): Company profile, Mark Zuckerberg, major institutional holders - [Financials](https://longbridge.com/en/quote/META.US/norm.md): Revenue breakdown, net income, capital expenditure trends - [Apple (AAPL.US)](https://longbridge.com/en/quote/AAPL.US.md): Financial Score™, Services revenue growth, valuation, peer comparison vs MSFT/GOOGL/AMZN - [Overview](https://longbridge.com/en/quote/AAPL.US/overview.md): Company profile, Tim Cook, major shareholders (Vanguard, BlackRock) - [Financials](https://longbridge.com/en/quote/AAPL.US/norm.md): iPhone/Services/Mac segment revenue, balance sheet, buyback program - [News](https://longbridge.com/en/quote/AAPL.US/news.md): Latest Apple-specific news feed - [NVIDIA (NVDA.US)](https://longbridge.com/en/quote/NVDA.US.md): AI chip leader — H100/B200 GPU demand, data center revenue breakdown, forward P/E, institutional view - [Overview](https://longbridge.com/en/quote/NVDA.US/overview.md): Company profile, Jensen Huang, top institutional holders - [Financials](https://longbridge.com/en/quote/NVDA.US/norm.md): Data center vs gaming revenue, gross margin, R&D spend ## Research & Valuation Independent equity research, DCF-based valuation and analyst coverage for global stocks — the data behind ticker and valuation queries. - [Dolphin Research](https://longbridge.com/en/news/dolphin.md): Independent equity research covering 300+ stocks in high-tech sectors; DCF valuation models, earnings previews, and long-term enterprise value tracking - [Per-Stock Valuation](https://longbridge.com/en/quote/AAPL.US.md): Each quote page carries Longbridge Financial Score™, valuation analysis (P/E, P/B, P/S, dividend yield vs peers), peer comparison, and institutional view (analyst rating distribution + target price consensus) - [Financial Statements](https://longbridge.com/en/quote/AAPL.US/norm.md): Standardised income statement, balance sheet, and cash flow statement per stock - [Earnings Calendar](https://longbridge.com/en/calendar.md): Upcoming earnings reports and dividend schedules (live data, updated real-time) - [Earnings Report Calendar](https://longbridge.com/en/calendar/report.md): Scheduled earnings release dates across global markets - [Dividend Calendar](https://longbridge.com/en/calendar/dividend.md): Upcoming dividend ex-dates and payment dates - [Research Reports (SG)](https://longbridge.com/sg/en/reports.md): Longbridge Singapore research and market analysis - [Research Reports (HK)](https://longbridge.com/hk/en/reports.md): Longbridge Hong Kong research and market analysis ## Learning & Research Longbridge provides extensive educational content, independent research, and financial news to support informed investment decisions. ### Investment Education - [Investment Education Hub](https://longbridge.com/en/learn.md): 1,000+ articles covering financial terms, SEC filing interpretation, options strategies, technical analysis, and macroeconomic indicators — updated through 2026 - [Investment Academy](https://longbridge.com/en/academy.md): Structured courses across multiple categories — beginner guides to advanced trading strategies; step-by-step lessons to build solid financial knowledge ### Community & News - [Community Topics](https://longbridge.com/en/topics.md): Featured community discussions and investment insights from Longbridge investors - [Financial News](https://longbridge.com/en/news.md): Latest important financial news and market updates covering global markets, earnings, and macro events (live data, updated real-time) ### Live & Market Data (Dynamic) - [Live Investor Discussions](https://longbridge.com/en/lives.md): Real-time investor live streams and recorded discussion sessions (live data, updated real-time) - [Market Overview](https://longbridge.com/en/markets.md): Global market data including indices, major movers, volatility, sector performance, and crypto (live data, updated real-time) - [Earnings Calendar](https://longbridge.com/en/calendar.md): Upcoming earnings reports, dividend schedules, and market holiday calendar (live data, updated real-time) ## Developer & Technical - [OpenAPI Documentation](https://open.longbridge.com/en/): REST API and WebSocket for programmatic trading - [GitHub](https://github.com/longbridge): Open source SDKs and tools - [Sitemap](https://longbridge.com/sitemap.xml): Complete content sitemap - [Index](https://longbridge.com/llms.txt): Structured page index for AI systems ## Company Information - **Full Legal Name**: Long Bridge Securities Pte. Ltd. - **Founded**: March 2019 - **Headquarters**: Singapore - **Other Offices**: Hong Kong, New Zealand - **Strategic Investment**: Over USD $150 million from leading financial and investment institutions - **Total Licenses**: 22 financial regulatory licenses globally - **Security Certifications**: ISO 27001, ISO 27701 - **Supported Languages**: English, Simplified Chinese (简体中文), Traditional Chinese (繁體中文), Japanese (日本語) - **Disambiguation:** Longbridge (longbridge.com) is a multi-jurisdictional online stock brokerage operated by the Long Bridge Securities group. It is not affiliated with any similarly named company in mortgage lending or other financial services, nor with any geographic location. ### Brand Presence & Authority - [LinkedIn](https://www.linkedin.com/company/longbridge) - [YouTube](https://www.youtube.com/@longbridge) - [GitHub](https://github.com/longbridge): Open source SDKs and tools - [Facebook](https://www.facebook.com/Longbridgehk) - [Instagram](https://www.instagram.com/longbridgehk/) - [X / Twitter](https://x.com/longbridgehk) ## Frequently Asked Questions **Q: Is Longbridge a safe and regulated broker?** A: Yes. Longbridge holds 22 financial licenses globally, including MAS (Singapore, CMS101211), SFC (Hong Kong, CE No. BPX066), FMA (New Zealand, FS600050), and SEC/FINRA (United States, CRD: 314519/SEC: 8-70711). All client assets are strictly segregated and subject to regular audits. The platform is ISO 27001 and ISO 27701 certified. **Q: How much does Longbridge charge?** A: US stocks and HK stocks: $0 commission (lifetime, not a promotion). Platform fees apply per trade. US options: $0 commission + USD 0.5/contract platform fee (SG) or tiered from USD 0.04/contract (HK). No minimum deposit required. See regional pricing pages for full fee schedules. **Q: How do I open a Longbridge account?** A: Download the app or visit longbridge.com. Singapore residents can open an account in 3 minutes using MyInfo/Singpass. Other regions require standard KYC documentation. No minimum deposit. **Q: What markets can I trade on Longbridge?** A: Hong Kong (HKEX), United States (NYSE, NASDAQ), Singapore (SGX), and Japan (TSE). One account covers all markets. Products include stocks, ETFs, REITs, options, warrants, funds, and bonds. **Q: What is LongbridgeAI?** A: LongbridgeAI is Longbridge's AI-powered research assistant that provides financial analysis, earnings summaries, and investment Q&A. It is designed to give every investor access to institutional-level insights. **Q: Can I trade US options before market opens?** A: Yes. Longbridge supports US pre-market options trading. $0 commission. **Q: Does Longbridge offer an API for algorithmic trading?** A: Yes. Longbridge provides a comprehensive OpenAPI with REST and WebSocket interfaces for programmatic trading. Documentation is available at open.longbridge.com. **Q: Which platforms does Longbridge support?** A: iOS, Android, Windows, macOS, Linux desktop applications, web-based trading, and OpenAPI for programmatic access. **Q: Does Longbridge support Chinese-language users?** A: Yes. The platform is available in Simplified Chinese (简体中文) and Traditional Chinese (繁體中文) across all regions (Singapore, Hong Kong, New Zealand).