Scan the live market
Compare current margins, tax-aware profit, ROI, volume, freshness, and risk signals across thousands of items.
LIVE SINCE 9/10/26 · OSRS MARKET INTELLIGENCE
Grand Exchange
Radar.
Read the market. Plan the flip. Make your own call.
GER turns live Grand Exchange data into a practical manual-flipping workspace—clearer signals, better context, and fewer tabs breeding in the background.
CURRENT OPERATING MODE
Live, useful,
and still evolving.
Watch, test, journal
Build watchlists, inspect price and volume context, test manual trades, and record what actually happened.
Help sharpen GER
GER is currently in bug-repair and feature-request mode. New users are welcome to explore it and tell us what would make it more useful.
FEEDBACK CHANNEL
Found a bug or have an idea? Signed-in users can send a private report through GER’s Feedback page. For general studio support, visit the Bad Decisions Ink support desk.
FIELD LOG
What’s changed
since launch.
GER went live on September 10. This log will track meaningful releases, repairs, and additions as the app develops in public.
Open GER ↗Live repair + request cycle
- GER has moved from launch into active bug-repair and feature-request work.
- New users are invited to explore the live build and help shape what gets tightened or added next.
- GER now has an in-app Feedback page for signed-in bug reports and feature requests.
GER goes live
- The Grand Exchange Radar public app opened at ger.baddecisionsink.com.
- Live OSRS market data now powers a catalog of more than 4,500 items.
- Market scanning, tax-aware profit and ROI, price and volume context, watchlists, and the trade journal became available in the working build.
THE USEFUL BOUNDARY
A decision tool.
Not a gold oracle.
GER analyzes public market information and helps structure manual decisions. It does not place trades, control a RuneScape account, guarantee a margin, or know what the market will do next.
Old School RuneScape and RuneScape are trademarks of Jagex Ltd. GER is an independent project and is not affiliated with or endorsed by Jagex.
THE RADAR IS RUNNING