Contract Trading
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Bybit 合约交易中，标记价格是不能忽视的风控数字
Bybit 帮助中心说明，触发强平和计算未实现盈亏时使用的是标记价格，而不是单纯的最新成交价。对永续和交割合约交易者来说，这是核心风控屏幕。
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Bybit mark price is the number futures traders cannot ignore
Bybit says mark price, not the last traded price, is used for liquidation triggers and unrealized P&L checks. That makes it a core risk-control screen for perpetual and expiry-contract traders.
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比较合约平台时，应先看风控工具再看手续费表
手续费重要，但合约交易更应先比较流动性、保证金模式、订单工具、账户保护和地区可用性。
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Compare crypto futures platforms by controls before comparing fee tables
Fees matter, but futures traders should first compare liquidity, margin modes, order tools, account safeguards and regional product access.
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全仓和逐仓解决的是不同风险问题
保证金模式不是操作偏好，而是决定单个仓位使用独立抵押，还是共享更大账户余额。
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Cross margin and isolated margin solve different risk problems
Choosing a margin mode is not a style preference. It decides whether one position has fenced collateral or can draw from a wider account balance.
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OKX 移动止损是退出工具，不是仓位管理替代品
OKX 帮助页给出了移动止损的 App 路径，但交易者仍要先确定回调幅度、触发价和交易失效条件。
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OKX trailing stops are exit tools, not a substitute for position sizing
OKX’s updated help page shows the app path for trailing stops, but traders still need a variance, activation price and invalidation plan.
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提现 2FA 是交易风控，不只是账户安全选项
Kraken 的提现 2FA 和 Global Settings Lock 提醒交易者，放大现货或合约仓位前应先锁住资金出口。
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Withdrawal 2FA is a trading risk control, not just an account-security checkbox
Kraken’s funding 2FA and Global Settings Lock show why traders should secure withdrawals before they size up spot or futures activity.
