A taker order that fills as much as possible immediately and cancels any unfilled remainder.
IOC (Immediate-or-Cancel) orders are how whale.ag mirrors fills: hit the book at a price tolerance, take what is available, cancel the rest. No resting orders. Critical for sub-second copy trading because it prevents stale orders from sitting on the book.
IOC (Immediate-or-Cancel) orders are how whale.ag mirrors fills: hit the book at a price tolerance, take what is available, cancel the rest. No resting orders. Critical for sub-second copy trading because it prevents stale orders from sitting on the book.