feat: 78 series (27 FRED + 46 CBOE + 5 international implied vol)

feat: expand macro_daily to 73 series (27 FRED + 46 CBOE/Yahoo implied)

feat: expand macro_daily to 33 series (27 FRED + 6 CBOE/Yahoo)

Add macro_vintages.parquet: FRED revision history (simulated)

Add metadata for S&P 500 + STOXX 600: 1656 tickers

Add S&P 500 + STOXX 600 majors: 1622 tickers, 7.1M rows

Add metadata for 9 factor ETFs (VLUE, MTUM, QUAL, USMV, SIZE, VTV, VUG, IWD, IWF)

Add 9 factor ETFs (VLUE, MTUM, QUAL, USMV, SIZE, VTV, VUG, IWD, IWF)

Metadata: 1053 tickers (+13 macro ETFs with returns)

Add 13 macro ETFs: TLT/GLD/DBC/UUP + extended (1013 tickers)

Enriched metadata: computed beta/returns (95%+ coverage) + PIT amendments log

Update metadata: 1040 tickers (+46 major LSE ETFs)

Update crypto: 14 tokens via yfinance batch (was serial R)

Add 42 major LSE ETFs: Vanguard, iShares, SPDR (1000 tickers total)

Update metadata: 994 tickers (933 LSE), +fund_family/yield/beta/returns

Scale equity to 958 tickers: 51 US + 910 LSE ETFs (2M rows, 40MB)

Add metadata.parquet (65 tickers, sector/market_cap/exchange)

Add 14 crypto tokens + FF factors (860K total rows)

Scale equity to 51 tickers (452K rows, 10MB)

Add macro_daily.parquet (19 FRED series, 136K rows)

Add prototype Parquet files (AAPL equity + BTC crypto)

initial commit