Package com.wualabs.qtsurfer.engine.core.instrument
package com.wualabs.qtsurfer.engine.core.instrument
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ClassDescriptionA delivery contract that expires on a fixed date:
BTC/USDT:USDT-240628.Normalised instrument identity in the CCXT unified format.A perpetual contract — a derivative with no expiry:BTC/USDT:USDTwhen margined in the quote currency,BTC/USD:BTCwhen margined in the base.A spot pair, settled in nothing:BTC/USDT.