tqsdk-trading-and-data
Explain, implement, or debug TqSdk Python workflows for wait_update or is_changing update loops, market data retrieval, historical download, account type selection, funds or positions or orders or trades, field meanings, order placement or cancellation, target-position tools, TqScenario margin trials, real-account margin-rate lookup, margin or risk-ratio what-if analysis, simulation, backtest, and common TqSdk errors. Use when a request mentions TqSdk, TqApi, TqAuth, TqAccount, TqKq, TqKqStock, TqSim, TqSimStock, TqMultiAccount, TqBacktest, TqScenario, TargetPosTask, TargetPosScheduler, DataDownloader, margin rate, margin calculation, risk ratio, scenario trial, market data, K-line, tick, historical data, positions, trades, orders, account data, order placement, cancellation, position adjustment, field meanings, wait_update, debugging, \u884c\u60c5, K\u7ebf, \u5386\u53f2\u6570\u636e, \u4fdd\u8bc1\u91d1\u7387, \u4fdd\u8bc1\u91d1, \u98ce\u9669\u5ea6, \u573a\u666f\u8bd5\u7b97, \u6301\u4ed3, \u6210\u4ea4, \u59d4\
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