{
 "edition_id": "AMB-FX-2026-10-09",
 "date": "2026-10-09",
 "status": "Published; corrected edition replacing the first 9 Oct Nigeria figures",
 "nigeria": {
  "USD": {
   "parallel_buy_low": 1367,
   "parallel_buy_high": 1375,
   "parallel_sell_low": 1380,
   "parallel_sell_high": 1390,
   "parallel_buy_mid": 1371.0,
   "parallel_sell_mid": 1385.0,
   "amb_mid_informational": 1378.0,
   "official_selling_rate": 1331.19,
   "official_rate_date": "2026-10-09",
   "official_basis": "CBN selling rate (NFEM)",
   "premium_pct": 2.99
  },
  "GBP": {
   "parallel_buy_low": 1810,
   "parallel_buy_high": 1830,
   "parallel_sell_low": 1850,
   "parallel_sell_high": 1850,
   "parallel_buy_mid": 1820.0,
   "parallel_sell_mid": 1850.0,
   "amb_mid_informational": 1835.0,
   "official_selling_rate": 1759.88,
   "official_rate_date": "2026-10-09",
   "official_basis": "Derived: CBN NFEM x ECB reference cross",
   "premium_pct": 3.42,
   "official_inputs": "CBN NFEM ₦1,331.1860 × ECB-reference GBP/USD 1.3220 (EUR/USD 1.1206 ÷ EUR/GBP 0.84763)",
   "cbn_check": {
    "rate": 1759.17,
    "date": "2026-10-08",
    "pct": 0.04
   }
  },
  "EUR": {
   "parallel_buy_low": 1520,
   "parallel_buy_high": 1530,
   "parallel_sell_low": 1550,
   "parallel_sell_high": 1560,
   "parallel_buy_mid": 1525.0,
   "parallel_sell_mid": 1555.0,
   "amb_mid_informational": 1540.0,
   "official_selling_rate": 1491.73,
   "official_rate_date": "2026-10-09",
   "official_basis": "Derived: CBN NFEM x ECB reference cross",
   "premium_pct": 2.23,
   "official_inputs": "CBN NFEM ₦1,331.1860 × ECB reference EUR/USD 1.1206",
   "cbn_check": {
    "rate": 1490.22,
    "date": "2026-10-08",
    "pct": 0.1
   }
  }
 },
 "method": "premium_pct = (parallel buying midpoint / CBN selling rate - 1) x 100",
 "parallel_source": "Aggregated from multiple independent market sources",
 "official_sources": "Central Bank of Nigeria; European Central Bank reference rates",
 "markets": {
  "Ghana": {
   "symbol": "GH₵",
   "asof": "2026-10-08",
   "rates": {
    "USD": 11.78,
    "GBP": 15.5585,
    "EUR": 13.1824
   }
  },
  "Kenya": {
   "symbol": "KSh",
   "asof": "2026-10-09",
   "rates": {
    "USD": 129.91,
    "GBP": 172.04,
    "EUR": 145.92
   }
  },
  "South Africa": {
   "symbol": "R",
   "asof": "2026-10-08",
   "rates": {
    "USD": 16.6784,
    "GBP": 22.0287,
    "EUR": 18.676
   }
  },
  "Egypt": {
   "symbol": "E£",
   "asof": "2026-10-07",
   "rates": {
    "USD": 52.3902,
    "GBP": 69.2442,
    "EUR": 58.6294
   }
  }
 },
 "schema": "amb-fx-site/1",
 "edition_type": "FX Flagship",
 "label_suffix": "Corrected",
 "correction_note": "This replaces the Nigeria figures first published on 9 Oct; premiums now use one stated basis, and the EUR parallel sell range was corrected.",
 "markets_note": "Mid-market reference values: Ghana mid of Bank of Ghana buy/sell; Kenya CBK indicative; South Africa and Egypt mid of published buy/sell. Egypt’s latest retrievable table is 7 Oct."
}