KATY: Charts That Forecast
The quant work already done
About
This app provides advanced technical analysis charting for US equities and cryptocurrencies. It features pre-computed quant models overlaid on price charts, including forecasts, trend states, and gamma exposure. The app focuses on reading charts, not trading, with a synced watchlist and trend screener.
What's New in KATY
1.0
August 18, 2026
Subscription plans
KATY Premium Monthly
Forecast charts, GEX walls and flow. Billed monthly.
Developer apps
FAQ
What is KATY?
KATY is a technical analysis charting app that provides pre-computed quantitative models overlaid directly on price charts for US equities and major cryptocurrencies. It focuses on presenting analytical data rather than facilitating trades.
What kind of quant models does KATY offer?
KATY offers several proprietary quant models including FORECAST (time-series foundation model projections), TURTLE (trend state visualization with Donchian channels and ATR stops), GEX (gamma exposure by strike), and SPREAD (credit-spread structure over price).
Can I trade directly from KATY?
No, KATY is strictly a chart-reading application. It does not offer order entry, broker connections, account linking, wallet integration, or any form of trading.
How much does KATY Premium cost?
KATY Premium is available as an auto-renewable subscription. Monthly access is $9.99 per month, and annual access is $59.99 per year. Existing QuantSignals Premium or Gold members can sign in to unlock charts at no extra cost.
How do I cancel my KATY Premium subscription?
Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. You can manage or cancel your subscription in your device's Settings > Apple Account > Subscriptions.
What devices is KATY available on?
KATY is available on iPhone and iPad, indicated by its support for these devices. The app is rated for ages 4 and up.
How often is KATY updated?
KATY was last updated on August 18, 2026, with version 1.0. The release date was also August 18, 2026, suggesting it is a new application.
Does KATY have ads?
No, KATY does not contain advertisements. The app's functionality is accessed through a freemium model with optional premium subscriptions.