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TradingFlow Team

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Blog

Concepts8 min read2026-08-14

What Is a Call Wall (and Put Wall) in Options? GEX, OI & Max Pain

Tutorials: TradingFlow Tutorial Series: Option Flow, GEX, DEX & Chain Analysis

What is a call wall? The strike with the most call open interest above spot—often resistance. Put wall, ΔOI, Vol/OI, max pain, and how to read walls with GEX in TradingFlow.

Concepts9 min read2026-08-14

What Is Option Flow? Options Flow, Scanners, Side, Sentiment & DEX

Tutorials: TradingFlow Tutorial Series: Option Flow, GEX, DEX & Chain Analysis

What is option flow (options flow)? Live tape, scanners, aggressive side, sentiment, moneyness, DEX, Vol/OI, and how to spot unusual options activity in TradingFlow.

Using TradingFlow12 min read2026-08-14

Rank Symbols: GEX Level Map, Option Flow, Call/Put Walls & Volatility Rank

Tutorials: TradingFlow Tutorial Series: Option Flow, GEX, DEX & Chain Analysis

Scan ranked symbols by options flow, GEX, the Level Map, call/put walls, IV vs realized volatility, and inspect chain in drawer. The live GEX screener and flow leaderboard.

Using TradingFlow10 min read2026-08-14

Using Rank: Contracts

Tutorials: TradingFlow Tutorial Series: Option Flow, GEX, DEX & Chain Analysis

Discover the standout option contracts in today's flow with the Rank workbench Contracts view, save the view you build, and hand off to Option Trades for the full tape.

Using TradingFlow8 min read2026-08-14

Option Flow Tracker: Live Options Tape in TradingFlow

Tutorials: TradingFlow Tutorial Series: Option Flow, GEX, DEX & Chain Analysis

Hands-on option flow tracker walkthrough: Live vs Historical tape, filters for unusual options activity, reading rows, saved views, and alerts—Rank → tape → structure.

Getting Started7 min read2026-08-14

The Data Feed: Flow vs Chain

Tutorials: TradingFlow Tutorial Series: Option Flow, GEX, DEX & Chain Analysis

A plain-language map of what data powers TradingFlow and how its main tools are organized — by data source, time horizon, and level of detail.

Concepts5 min read2026-07-08

Option Flow Glossary: Call Wall, GEX, Put Wall, DEX & OI

Tutorials: TradingFlow Tutorial Series: Option Flow, GEX, DEX & Chain Analysis

Option flow glossary: short definitions of call wall, put wall, gamma exposure (GEX), DEX, DEI, Vol/OI, max pain, and related terms used in TradingFlow.

Concepts5 min read2026-07-05

What Is Delta Exposure (DEX)? Directional Options Flow Explained

Tutorials: TradingFlow Tutorial Series: Option Flow, GEX, DEX & Chain Analysis

What is delta exposure (DEX)? How TradingFlow turns option flow into bullish or bearish directional exposure, and how DEX differs from DEI and GEX.

Concepts8 min read2026-06-22

What Is Gamma Exposure (GEX)? Dealer Hedging & Positive vs Negative Gamma

Tutorials: TradingFlow Tutorial Series: Option Flow, GEX, DEX & Chain Analysis

What is gamma exposure (GEX)? How dealer hedging, positive vs negative gamma, and gamma in options shape support, resistance, and volatility. See live GEX in TradingFlow.