I Backtested My Own GEX Product Across 8 Years of SPY. Most of It Is Just VIX.

I sell a dealer-exposure API. GEX, DEX, VEX, CHEX — the whole Greek-exposure stack. So when I tell you the backtest on my own product is mostly a VIX proxy, that is not a competitive hit piece. It is the result I got when I ran the test honestly, and it is the test I wanted before I bought any of this from anyone else. Most options dashboards present four dealer-exposure Greeks as four independent signals. The pitch is intuitive: dealers hedge, those hedges create flows, and those flows forecast