Plain-English definition
A whale is an address holding enough of an asset that its actions alone shift the price or the depth. When a whale moves, the ripple is visible to anyone watching the chain.
Whales are why dormancy matters: an address that has slept for years suddenly stirring is one of the more meaningful readings the chain offers.
Why it matters
Whale matters because crypto markets can look precise while still being shallow, crowded, or poorly sourced. A useful read is not just the number. It is the number, the size behind it, the context around it, and the part it cannot explain.
Simple example
A simple Whale example is a reader comparing two venues with the same headline price but different depth. The deeper venue can absorb more capital before the trade, peg, or yield reading starts to move against the user.
How Bathymark uses this term
Bathymark uses Whale to translate open market data into live liquidity readings. When the term touches a live page, the reading links back to the relevant chain, protocol, stablecoin, DEX, perps, or Signal so the source remains checkable.
Common mistake
The common mistake is treating Whale as a complete signal by itself. Bathymark treats it as one instrument: useful when read beside liquidity, source, size, and what the number cannot prove.