eea4469095
- Complete MVP for tracking Fidelity brokerage account performance - Transaction import from CSV with deduplication - Automatic FIFO position tracking with options support - Real-time P&L calculations with market data caching - Dashboard with timeframe filtering (30/90/180 days, 1 year, YTD, all time) - Docker-based deployment with PostgreSQL backend - React/TypeScript frontend with TailwindCSS - FastAPI backend with SQLAlchemy ORM Features: - Multi-account support - Import via CSV upload or filesystem - Open and closed position tracking - Balance history charting - Performance analytics and metrics - Top trades analysis - Responsive UI design Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
92 lines
2.5 KiB
Python
92 lines
2.5 KiB
Python
"""Option symbol parsing utilities."""
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import re
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from datetime import datetime
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from typing import Optional, NamedTuple
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from decimal import Decimal
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class OptionInfo(NamedTuple):
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"""
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Parsed option information.
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Attributes:
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underlying_symbol: Base ticker symbol (e.g., "AAPL")
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expiration_date: Option expiration date
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option_type: "CALL" or "PUT"
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strike_price: Strike price
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"""
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underlying_symbol: str
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expiration_date: datetime
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option_type: str
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strike_price: Decimal
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def parse_option_symbol(option_symbol: str) -> Optional[OptionInfo]:
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"""
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Parse Fidelity option symbol format into components.
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Fidelity format: -SYMBOL + YYMMDD + C/P + STRIKE
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Example: -AAPL260116C150 = AAPL Call expiring Jan 16, 2026 at $150 strike
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Args:
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option_symbol: Fidelity option symbol string
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Returns:
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OptionInfo object if parsing successful, None otherwise
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Examples:
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>>> parse_option_symbol("-AAPL260116C150")
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OptionInfo(
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underlying_symbol='AAPL',
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expiration_date=datetime(2026, 1, 16),
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option_type='CALL',
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strike_price=Decimal('150')
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)
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>>> parse_option_symbol("-TSLA251219P500")
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OptionInfo(
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underlying_symbol='TSLA',
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expiration_date=datetime(2025, 12, 19),
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option_type='PUT',
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strike_price=Decimal('500')
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)
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"""
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# Regex pattern: -SYMBOL + YYMMDD + C/P + STRIKE
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# Symbol: one or more uppercase letters
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# Date: 6 digits (YYMMDD)
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# Type: C (call) or P (put)
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# Strike: digits with optional decimal point
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pattern = r"^-([A-Z]+)(\d{6})([CP])(\d+\.?\d*)$"
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match = re.match(pattern, option_symbol)
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if not match:
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return None
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symbol, date_str, option_type, strike_str = match.groups()
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# Parse date (YYMMDD format)
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try:
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# Assume 20XX for years (works until 2100)
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year = 2000 + int(date_str[:2])
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month = int(date_str[2:4])
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day = int(date_str[4:6])
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expiration_date = datetime(year, month, day)
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except (ValueError, IndexError):
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return None
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# Parse option type
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option_type_full = "CALL" if option_type == "C" else "PUT"
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# Parse strike price
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try:
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strike_price = Decimal(strike_str)
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except (ValueError, ArithmeticError):
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return None
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return OptionInfo(
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underlying_symbol=symbol,
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expiration_date=expiration_date,
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option_type=option_type_full,
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strike_price=strike_price,
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)
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