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GEX.live

I build gex.live — SPX dealer positioning rebuilt from the 0DTE options tape every second. Over a thousand finished sessions replay free.

Location Canada Joined Joined on  Personal website https://gex.live

Work

Founder, gex.live

How much of the SPX options book is new each day? Open-interest change across 1,081 sessions

How much of the SPX options book is new each day? Open-interest change across 1,081 sessions

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4 min read
How much of the SPX options tape is dealer-to-dealer? A free daily floor from OCC data

How much of the SPX options tape is dealer-to-dealer? A free daily floor from OCC data

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3 min read
How far does SPX travel before the close? An empirical touch-probability surface from 1,082 sessions

How far does SPX travel before the close? An empirical touch-probability surface from 1,082 sessions

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4 min read
LAB now ships a free Idea Feed: rule-shaped trading ideas, deliberately untested

LAB now ships a free Idea Feed: rule-shaped trading ideas, deliberately untested

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2 min read
The Lab: a backtester that is allowed to say "no"

The Lab: a backtester that is allowed to say "no"

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2 min read
We listed gex.live on ~15 directories in a week. Here is what that did and did not do

We listed gex.live on ~15 directories in a week. Here is what that did and did not do

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2 min read
Backtest SPX dealer-gamma rules from your AI assistant

Backtest SPX dealer-gamma rules from your AI assistant

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3 min read
Three books that disagree: rebuilding an options dealer's position from the tape

Three books that disagree: rebuilding an options dealer's position from the tape

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5 min read
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