{
  "index": "CX",
  "base_date": "2022-01-07",
  "base_level": 1,
  "unit": "USD per CX",
  "date": "2026-09-29",
  "level": 1.4291,
  "twap_days": 365,
  "legs": [
    {"ticker": "BTC", "group": "crypto", "weight_bp": 2000, "unit": "BTC", "fix": 79902.488054, "quantity": 0.00000419, "share_bp": 2346, "source": "Coinbase BTC-USD daily close", "coverage": "2021-01-07 … 2026-09-29 (2092 observations)"},
    {"ticker": "ETH", "group": "crypto", "weight_bp": 1500, "unit": "ETH", "fix": 2522.294520, "quantity": 0.00005302, "share_bp": 935, "source": "Coinbase ETH-USD daily close", "coverage": "2021-01-07 … 2026-09-29 (2092 observations)"},
    {"ticker": "CNY", "group": "fiat", "weight_bp": 1500, "unit": "CNY", "fix": 0.145157, "quantity": 0.96724633, "share_bp": 982, "source": "ECB reference rate via Frankfurter", "coverage": "2021-01-07 … 2026-09-28 (1467 observations)"},
    {"ticker": "USD", "group": "fiat", "weight_bp": 1500, "unit": "USD", "fix": 1.000000, "quantity": 0.15000000, "share_bp": 1049, "source": "quote currency, fixed at 1", "coverage": "2021-01-07 … 2021-01-07 (1 observations)"},
    {"ticker": "GOLD", "group": "elements", "weight_bp": 1500, "unit": "troy oz", "fix": 4444.452602, "quantity": 0.00008348, "share_bp": 2596, "source": "LBMA gold PM fix (USD)", "coverage": "1968-04-01 … 2026-09-28 (14692 observations)"},
    {"ticker": "CU", "group": "elements", "weight_bp": 1000, "unit": "tonne", "fix": 12687.618721, "quantity": 0.00001068, "share_bp": 948, "source": "IMF global copper price via FRED (monthly)", "coverage": "1992-01-01 … 2026-07-01 (415 observations)"},
    {"ticker": "OIL", "group": "elements", "weight_bp": 500, "unit": "bbl", "fix": 85.755178, "quantity": 0.00070215, "share_bp": 421, "source": "Brent Europe spot via FRED (daily)", "coverage": "1987-05-20 … 2026-09-22 (9092 observations)"},
    {"ticker": "UX", "group": "elements", "weight_bp": 500, "unit": "lb U3O8", "fix": 67.857071, "quantity": 0.00151482, "share_bp": 719, "source": "IMF uranium price via FRED (monthly)", "coverage": "1992-01-01 … 2026-07-01 (415 observations)"}
  ],
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}