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us-etf-flow

Calculate daily ETF creation and redemption flows across market indices using yfinance.

Updated Jul 29, 2026
Search Tags:#flow#etf#rotation#sentiment#macro#institutional
One-click install
npx skills add https://github.com/santoosaraujo/vibe-trading-claude --skill us-etf-flow-santoosaraujo
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: us-etf-flow
Source: https://github.com/santoosaraujo/vibe-trading-claude/tree/main/.claude/skills/us-etf-flow
Command: npx skills add https://github.com/santoosaraujo/vibe-trading-claude --skill us-etf-flow-santoosaraujo

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires yfinance.

What problem does it solve?

This skill solves the challenge of identifying real-time institutional capital movement and market sentiment, which are often obscured by the 45-day reporting lag of traditional filings.

Core Features & Use Cases

  • Institutional Proxy Tracking: Monitors daily ETF creation and redemption data to gauge professional positioning.
  • Sector Rotation Analysis: Identifies shifts in risk appetite across 11 major sectors and thematic categories.
  • Use Case: Use this skill to determine if a market rally is supported by broad-based institutional inflows or if capital is rotating into defensive sectors, helping you adjust your portfolio tilt accordingly.

Quick Start

Use the us-etf-flow skill to analyze the current institutional sentiment and sector rotation trends for the S&P 500 and Nasdaq 100.

Frequently Asked Questions about us-etf-flow

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do ETF flows track institutional capital movement in real time?▼

ETF flows track institutional capital movement by calculating daily creation and redemption data across broad market indices, bypassing the 45-day reporting lag of traditional filings to gauge professional positioning.

Can I identify sector rotation trends using daily ETF flow data?▼

You can identify sector rotation by analyzing daily ETF creation and redemption flows across 11 major sectors and thematic categories to calculate cyclical-defensive ratios and shifting risk appetite.

Does this ETF flow analysis tool require yfinance for data retrieval?▼

Yes, this ETF flow analysis tool requires the yfinance library for market data retrieval, implementing custom logic for breadth and cyclical-defensive ratio calculations on top of retrieved pricing and volume data.

What is the best way to assess market risk appetite using ETF flows?▼

The best way to assess market risk appetite is by calculating ETF creation and redemption flows to determine if a rally has broad-based institutional inflows or if capital is rotating into defensive sectors.

How do I analyze fixed income duration positioning with ETF flows?▼

You analyze fixed income duration positioning by tracking daily ETF creation and redemption flows across fixed income categories, supporting quantitative assessment of professional capital allocation and duration shifts.

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