Contract Trading
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高级订单要按执行风险选择，而不是按菜单复杂度选择
市价、限价、止损限价、OCO、OTO 和 OTOCO 解决的是不同执行问题，核心是滑点和成交风险。
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Choose advanced crypto orders by execution risk, not menu complexity
Market, limit, stop-limit, OCO, OTO and OTOCO orders solve different execution problems. The right choice starts with slippage and fill risk.
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资金费率和爆仓热力图显示拥挤度，不代表确定方向
加密合约交易者应把资金费率和爆仓热力图用于识别拥挤风险，再结合价格、深度和失效位确认。
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Funding rates and liquidation maps show crowding, not certainty
Crypto futures traders should use funding and liquidation heatmaps to locate crowded risk, then confirm with price, depth and invalidation levels.
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Bybit 统一交易账户方便，但每类产品仍要单独限额
统一账户能减少划转摩擦，也可能在现货、合约和期权共用保证金时隐藏跨产品风险。
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Bybit UTA is convenient only if each product still has a risk limit
A unified account can reduce transfer friction, but it can also hide cross-product risk if spot, futures and options are managed as one large balance.
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全仓还是逐仓，本质上是账户风险选择
全仓能让单个仓位获得更大缓冲，逐仓能把单笔交易的损失限制在指定保证金内。关键取决于账户结构和可承受亏损。
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Cross margin versus isolated margin is an account-risk decision
Cross margin can give a position more breathing room, while isolated margin can cap damage to one trade. The right choice depends on account structure and loss tolerance.
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使用 OKX 网格机器人前，先定义区间、费用和失效条件
网格机器人可以自动重复挂买卖单，但价格区间、网格数量、仓位规模和停止条件仍需要交易者自己决定。
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Before using an OKX grid bot, define the range, fees and failure condition
Grid bots can automate repeated buy and sell orders, but traders still need to choose the price band, grid count, position size and stop conditions deliberately.
