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@ -46,6 +46,8 @@ DEFAULTS_TO_SYNC = [
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"description": "是否启用固定风险仓位计算(推荐)。若启用,则忽略 MAX_POSITION_PERCENT,改用 FIXED_RISK_PERCENT 计算仓位。"},
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{"config_key": "FIXED_RISK_PERCENT", "config_value": "0.025", "config_type": "number", "category": "risk",
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"description": "每笔交易风险占总账户的百分比(如 0.025=2.5%)。配合止损距离计算仓位,风险可控。"},
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{"config_key": "MIN_MARGIN_USDT", "config_value": "2.0", "config_type": "number", "category": "risk",
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"description": "最小保证金(USDT)。2026-02-13 提高到 2.0 USDT 以避免无效小单。"},
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]
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@ -654,7 +654,8 @@ class RiskManager:
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margin_value = notional_value / actual_leverage
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# 检查最小保证金要求(margin 语义:MIN_MARGIN_USDT 本身就是保证金下限)
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min_margin_usdt = config.TRADING_CONFIG.get('MIN_MARGIN_USDT', 0.5) # 默认0.5 USDT
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# 2026-02-13 优化:默认最小保证金提高到 2.0 USDT,避免无效小单
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min_margin_usdt = config.TRADING_CONFIG.get('MIN_MARGIN_USDT', 2.0)
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logger.info(f" 当前保证金: {margin_value:.4f} USDT (杠杆: {actual_leverage}x)")
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if margin_value < min_margin_usdt:
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@ -664,8 +665,14 @@ class RiskManager:
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)
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# 检查是否可以使用更大的仓位价值(但不超过最大仓位限制)
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max_position_percent = config.TRADING_CONFIG['MAX_POSITION_PERCENT']
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max_margin_value = available_balance * max_position_percent
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if use_fixed_risk:
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# 固定风险模式下,放宽最大仓位限制(允许高达95%可用余额)
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max_position_percent = 0.95
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max_margin_value = available_balance * 0.95
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else:
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max_position_percent = config.TRADING_CONFIG['MAX_POSITION_PERCENT']
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max_margin_value = available_balance * max_position_percent
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if min_margin_usdt <= max_margin_value:
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margin_value = min_margin_usdt
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notional_value = margin_value * actual_leverage
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