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Pairs trading / statistical-arbitrage strategy via Longbridge Securities — tests cointegration between two correlated assets using the Engle-Granger (ADF) method, computes the optimal hedge ratio via OLS, calculates spread Z-score, half-life of mean reversion, and generates entry/exit signals (long spread when Z > 2, short spread when Z < -2, exit when |Z| < 0.5). Triggers: "配对交易", "统计套利", "协整", "

Multi-asset correlation and cointegration analysis via Longbridge Securities — computes Pearson / Spearman return correlation matrix for 2–10 symbols, rolling 60-day correlation, Engle-Granger cointegration (ADF unit root), and spread half-life (AR(1) estimate). Used for portfolio decorrelation and pairs-trading pre-screening. Triggers: "相关性", "协整", "相关系数", "相关矩阵", "滚动相关", "去相关", "多标的相关", "相關性", "

Options strategy framework via Longbridge — covered call, protective put, straddle, strangle, bull spread, bear spread selection and comparison based on market view and IV level. Triggers: "期权策略", "备兑开仓", "保护性看跌", "跨式策略", "宽跨式", "牛市价差", "熊市价差", "期权组合", "卖出期权", "买入期权", "期權策略", "備兌開倉", "保護性看跌", "跨式策略", "牛市價差", "熊市價差", "期權組合", "options strategy", "covered call", "protective put", "straddle", "strangl

Use this skill for any task involving Thai customer service messaging — replies, apologies, status updates, refund/return scripts, and auto-replies on LINE OA, Facebook Page, Shopee, Lazada, Instagram DM, TikTok Shop, and similar channels. Trigger whenever the user asks to: reply to a Thai customer, draft an apology, write a refund or return message, write an auto-reply, de-escalate an angry custo

Entry point for ALL TIA Portal engineering automation tasks. Always load this skill FIRST when the user mentions TIA Portal, TIA Openness, TIA Scripting, Siemens PLC, Siemens HMI, TIA Portal Add-In, or any automation/engineering task targeting TIA Portal. This skill routes to the correct domain skill and selects MCP, Python, or C# implementation.

Reference routed skill. Do NOT load directly unless user says so.

Compress images for web/SEO performance using cwebp. Use when optimizing images for faster page loads, reducing file sizes, or converting JPG/PNG to WebP format.

Download videos from social media URLs (X/Twitter, YouTube, Instagram, TikTok, etc.) using yt-dlp. Use when saving a video locally, extracting content for transcription, or archiving video references.

Internal reference skill — do NOT load directly from user queries.

Build automated email flows that nurture, convert, and retain. Creates complete sequences for welcome, nurture, launch, re-engagement, and onboarding with subject lines, body copy, timing, and A/B test plans. Use when someone needs email automation, a drip campaign, welcome series, launch emails, post-purchase emails, abandoned cart recovery, or says 'email sequence', 'drip campaign', 'welcome ser

Generate an interactive HTML brand playground that shows your brand rendered live — palette, typography, logo, voice — with a social card and OG image preview that updates as you tweak tokens. Opens in browser. The visual approval step for the /cmo flow: /visual-style writes the brand, this skill shows it. Use when the user says "show me my brand", "brand playground", "preview my brand", "what doe

Structured marketing brainstorming when direction is unclear. Use when the agent doesn't know which skill to run, the user is vague about what they need, there are multiple valid marketing paths, or someone says 'I don't know where to start', 'what should we market', 'explore approaches', 'help me think through this', 'marketing ideas', 'what campaign should I run', 'where do I start with marketin