Spread Monitor
Published Jul 9, 2026 · Updated Jul 26, 2026
One symbol, many venues, live spreads in a single matrix. No login; your setups live in your own browser.
Create a monitor group
Pick base and quote
Searchable, custom symbols allowed. Beyond crypto: equity perps, indexes, FX (venue-dependent).
Tick the venues
Two groups: centralized exchanges and perp DEXes.
Save and activate
Groups stay in local storage. Up to 2 active groups and 12 live feeds at once.
Reading the matrix
- Row = sell at that venue’s bid; column = buy at that venue’s ask.
- Numbers are executable top-of-book spreads, not mid-price theory.
- Feed badges (live / stale / disconnected) show each leg’s health—check your network when disconnected.
Subtract both legs’ fees and slippage before calling a spread profit. Funding paid while holding can also eat it—there is a funding reference column.
With Funding Radar
Groups opened from the Funding Radar carry its spread and score context, with a one-click way back.