Open Interest Tracker Screensaver
The Open Interest Tracker screensaver ranks futures open interest across major crypto pairs on a live board — real outstanding leveraged positions — drawn key-less from Binance's public market data API. It's free, runs in your browser, and ESC exits.
How the Open Interest Tracker screensaver works
The saver fetches real current open interest for major futures pairs from Binance's public API, with no key required.
Pairs rank by real total open interest, sized in the underlying asset and in dollar terms.
The board eases smoothly as real positioning shifts on refresh.
Readings refresh on a schedule to track real market activity.
A worked example
A real climb in open interest alongside a rising price often signals fresh money entering — while a climb alongside a falling price can flag rising leverage risk.
Settings & tips
- Accent recolours the bars.
- Open interest measures outstanding contracts, not trading volume.
- Sudden real drops often follow a wave of liquidations.
Frequently asked questions
- What is open interest?
- The real total number of outstanding futures contracts that haven't yet been closed — a measure of how much leverage is active in the market.
- Is a key needed?
- No. Binance's public market data API is free and key-less.
- Is this the whole market?
- It reflects Binance's own real futures market, one of the largest, not every exchange combined.
- Is it free?
- Yes — free, no download, in your browser.