https://www.gatosystems.com/blog Expert guides on trading technology, OMS/EMS, FIX connectivity, pre-trade risk, CAT/CAIS reporting, and broker-dealer compliance from Gato Systems. en-us Fri, 24 Jul 2026 12:00:00 GMT https://www.gatosystems.com/blog/sec-rule-15c3-5-market-access-rule-compliance-guide https://www.gatosystems.com/blog/sec-rule-15c3-5-market-access-rule-compliance-guide What SEC Rule 15c3-5 requires in 2026 — pre-trade risk controls, financial and regulatory checks, direct market access oversight, annual CEO certification, and the technology choices that make compliance defensible. Risk & Compliance Gato Systems Fri, 24 Jul 2026 12:00:00 GMT https://www.gatosystems.com/blog/consolidated-audit-trail-cat-reporting-2026-compliance-guide https://www.gatosystems.com/blog/consolidated-audit-trail-cat-reporting-2026-compliance-guide A plain-English guide to CAT reporting in 2026 — what industry members must report, CAIS customer and account data, error correction timelines, common exam findings, and how to build a defensible reporting stack. Regulatory Compliance Gato Systems Compliance Team Fri, 24 Jul 2026 00:00:00 GMT https://www.gatosystems.com/blog/how-to-choose-fix-connectivity-network-2026 https://www.gatosystems.com/blog/how-to-choose-fix-connectivity-network-2026 A practical, vendor-neutral buyer's guide for bank IT and trading infrastructure leaders — low-latency performance, multi-venue access, compliance controls, client onboarding, and build vs. buy. Trading Infrastructure Gato Systems Tue, 21 Jul 2026 12:00:00 GMT https://www.gatosystems.com/blog/t-plus-1-settlement-what-broker-dealers-need-to-know https://www.gatosystems.com/blog/t-plus-1-settlement-what-broker-dealers-need-to-know A practical guide to operating under T+1 settlement — compressed affirmation windows, funding implications, fails management, and the technology choices that separate firms that thrive from those that scramble. Market Structure Gato Systems Wed, 24 Jun 2026 00:00:00 GMT https://www.gatosystems.com/blog/oms-vs-ems-order-vs-execution-management-system https://www.gatosystems.com/blog/oms-vs-ems-order-vs-execution-management-system What's the real difference between an Order Management System (OMS) and an Execution Management System (EMS)? A practical guide for broker-dealers, prop firms, and hedge funds choosing — or combining — the two. Trading Technology Gato Systems Team Thu, 11 Jun 2026 00:00:00 GMT https://www.gatosystems.com/blog/finra-replaces-day-trading-margin-with-intraday-margin-standards https://www.gatosystems.com/blog/finra-replaces-day-trading-margin-with-intraday-margin-standards The SEC has approved sweeping amendments to FINRA Rule 4210, retiring the decades-old Pattern Day Trader framework in favor of a modern, risk-based intraday margin regime. Here's what broker-dealers need to know. Regulatory Gato Systems Fri, 17 Apr 2026 00:00:00 GMT https://www.gatosystems.com/blog/end-of-pdt-rule-what-it-means-for-retail-and-active-traders https://www.gatosystems.com/blog/end-of-pdt-rule-what-it-means-for-retail-and-active-traders With FINRA retiring the Pattern Day Trader framework, the $25,000 minimum equity requirement is gone. Here's how the shift to intraday margin standards reshapes the experience for retail brokers, active-trader platforms, and the customers they serve. Regulatory Gato Systems Thu, 16 Apr 2026 00:00:00 GMT https://www.gatosystems.com/blog/order-management-system-guide-broker-dealers https://www.gatosystems.com/blog/order-management-system-guide-broker-dealers How modern OMS platforms are transforming trade execution, compliance, and operational efficiency for broker-dealers and prop trading firms. Trading Technology Gato Systems Sat, 15 Mar 2025 00:00:00 GMT https://www.gatosystems.com/blog/fix-protocol-trading-infrastructure https://www.gatosystems.com/blog/fix-protocol-trading-infrastructure A deep dive into FIX protocol implementation, session management, and how modern FIX engines power institutional trading. Infrastructure Gato Systems Fri, 28 Feb 2025 00:00:00 GMT https://www.gatosystems.com/blog/real-time-risk-management-trading-firms https://www.gatosystems.com/blog/real-time-risk-management-trading-firms Explore pre-trade risk controls, position monitoring, and regulatory compliance frameworks that protect trading firms from market risk. Risk & Compliance Gato Systems Mon, 10 Feb 2025 00:00:00 GMT https://www.gatosystems.com/blog/prop-trading-technology-stack-2025 https://www.gatosystems.com/blog/prop-trading-technology-stack-2025 From execution management to risk controls and back-office operations—what prop trading firms need in their technology stack. Trading Technology Gato Systems Wed, 22 Jan 2025 00:00:00 GMT https://www.gatosystems.com/blog/clearing-technology-modernization https://www.gatosystems.com/blog/clearing-technology-modernization How clearing firms and self-clearing broker-dealers are replacing legacy technology with modern, API-driven clearing platforms. Operations Gato Systems Wed, 08 Jan 2025 00:00:00 GMT https://www.gatosystems.com/blog/regulatory-reporting-automation-fintech https://www.gatosystems.com/blog/regulatory-reporting-automation-fintech How fintech firms are automating regulatory reporting to reduce costs, minimize errors, and stay ahead of compliance requirements. Risk & Compliance Gato Systems Wed, 18 Dec 2024 00:00:00 GMT