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38 lines
1.2 KiB
Python
38 lines
1.2 KiB
Python
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"""
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Ticker formatting and market inference utilities.
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"""
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from config.constants import MARKET_OPTIONS
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def get_global_ticker(ticker: str, market: str) -> str:
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"""Format ticker for Yahoo Finance by market. US: as-is. South Korea: .KS or .KQ. Japan: .T. UK: .L. If ticker already has suffix, return as-is."""
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if not (ticker or "").strip():
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return (ticker or "").strip()
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t = (ticker or "").strip()
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if t.upper().endswith((".KS", ".KQ", ".T", ".L")):
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return t
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m = (market or "").strip()
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if "US" in m or not m:
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return t
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if "Korea" in m or "KOSPI" in m or "KOSDAQ" in m:
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return t + ".KS"
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if "Japan" in m or "Nikkei" in m:
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return t + ".T"
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if "UK" in m or "LSE" in m:
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return t + ".L"
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return t
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def infer_market_from_ticker(ticker: str) -> str:
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"""Infer market label from ticker suffix (for Deep-Dive routing when no Market selector)."""
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if not (ticker or "").strip():
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return MARKET_OPTIONS[0]
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t = (ticker or "").strip().upper()
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if t.endswith(".KS") or t.endswith(".KQ"):
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return "South Korea (KOSPI/KOSDAQ)"
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if t.endswith(".T"):
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return "Japan (Nikkei)"
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if t.endswith(".L"):
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return "UK (LSE)"
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return "US (S&P/Dow/Nasdaq)"
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