dekun
61 lines
1.7 KiB
Python
61 lines
1.7 KiB
Python
"""斐波关键位监控：纯计算与类型判断（Gate / Binance 主站共用）。"""
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FIB_KEY_MONITOR_TYPES = frozenset({"斐波回调0.618", "斐波回调0.786"})
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FIB_RATIO_BY_TYPE = {
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"斐波回调0.618": 0.618,
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"斐波回调0.786": 0.786,
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}
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def is_fib_key_monitor_type(monitor_type):
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return (monitor_type or "").strip() in FIB_KEY_MONITOR_TYPES
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def fib_ratio_from_type(monitor_type):
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return FIB_RATIO_BY_TYPE.get((monitor_type or "").strip())
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def calc_fib_plan(direction, upper, lower, ratio):
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"""
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上沿 H、下沿 L；挂单价 E = L + ratio*(H-L)。
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多：SL=L，TP=H；空：SL=H，TP=L。
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返回 (entry, stop_loss, take_profit) 或 None。
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"""
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try:
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h = float(upper)
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l = float(lower)
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r = float(ratio)
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except (TypeError, ValueError):
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return None
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if h <= l or r <= 0 or r >= 1:
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return None
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span = h - l
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entry = l + r * span
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direction = (direction or "long").strip().lower()
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if direction == "short":
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return entry, h, l
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return entry, l, h
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def stored_key_signal_type(monitor_type):
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"""写入 order_monitors / trade_records 的 key_signal_type（箱体/收敛/斐波）。"""
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mt = (monitor_type or "").strip()
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if mt in FIB_KEY_MONITOR_TYPES:
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return mt
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return None
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def fib_invalidate_by_mark(direction, mark_price, upper, lower):
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"""先触达止盈侧（标记价）则失效。多：mark>=H；空：mark<=L。"""
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try:
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m = float(mark_price)
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h = float(upper)
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l = float(lower)
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except (TypeError, ValueError):
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return False
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direction = (direction or "long").strip().lower()
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if direction == "short":
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return m <= l
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return m >= h
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