Alt-X

AI-driven Excel plugin that instantly builds auditable real-estate underwriting models.

San Francisco, United States
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About Alt-X
Alt-X is an AI-powered Excel add-in designed for real-estate investors, underwriters, and acquisition analysts. Users drop an offering memorandum into the plugin and it automatically generates a complete, auditable financial model, including sources and uses, debt sizing, cash-flow projections, and waterfall calculations, while citing each input back to the original document. The tool streamlines due diligence, reduces manual spreadsheet work, and improves model transparency for investment teams.
Key Features

AI-powered Excel add-in for real-estate underwriting

Auto-builds full financial model from offering memorandum

Cites each data point to the source document page

Generates sources and uses

debt sizing

cash-flow

exit cap sensitivity

and GP/LP waterfall

Requires user approval for model changes

Integrates directly into Microsoft Excel

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