{
 "schema_version": 1,
 "slug": "american-gold-eagle-1oz",
 "name": "1 oz American Gold Eagle",
 "metal": "gold",
 "oz": 1,
 "first_snapshot": "2026-10-15T05:00:54+00:00",
 "last_snapshot": "2026-11-11T14:49:33+00:00",
 "days_with_data": 27,
 "snapshots": 514,
 "daily": [
  {
   "date": "2026-10-15",
   "snapshots": 20,
   "dealers_quoted": 9,
   "median_premium_pct": 3.28,
   "lowest_premium_pct": 2.29,
   "spread_pp": 2.87,
   "spot_avg": 4153.22
  },
  {
   "date": "2026-10-16",
   "snapshots": 7,
   "dealers_quoted": 9,
   "median_premium_pct": 3.29,
   "lowest_premium_pct": 1.81,
   "spread_pp": 3.33,
   "spot_avg": 4171.87
  },
  {
   "date": "2026-10-17",
   "snapshots": 2,
   "dealers_quoted": 9,
   "median_premium_pct": 3.35,
   "lowest_premium_pct": 1.84,
   "spread_pp": 3.22,
   "spot_avg": 4166.1
  },
  {
   "date": "2026-10-18",
   "snapshots": 12,
   "dealers_quoted": 9,
   "median_premium_pct": 3.35,
   "lowest_premium_pct": 1.84,
   "spread_pp": 3.22,
   "spot_avg": 4171.55
  },
  {
   "date": "2026-10-19",
   "snapshots": 32,
   "dealers_quoted": 9,
   "median_premium_pct": 3.01,
   "lowest_premium_pct": 1.8,
   "spread_pp": 3.85,
   "spot_avg": 4145.9
  },
  {
   "date": "2026-10-20",
   "snapshots": 22,
   "dealers_quoted": 8,
   "median_premium_pct": 3.03,
   "lowest_premium_pct": 1.84,
   "spread_pp": 3.84,
   "spot_avg": 4127.37
  },
  {
   "date": "2026-10-21",
   "snapshots": 7,
   "dealers_quoted": 7,
   "median_premium_pct": 3.29,
   "lowest_premium_pct": 1.67,
   "spread_pp": 3.98,
   "spot_avg": 4138.13
  },
  {
   "date": "2026-10-22",
   "snapshots": 23,
   "dealers_quoted": 8,
   "median_premium_pct": 3.05,
   "lowest_premium_pct": 1.71,
   "spread_pp": 4.01,
   "spot_avg": 4042.99
  },
  {
   "date": "2026-10-23",
   "snapshots": 27,
   "dealers_quoted": 8,
   "median_premium_pct": 3.07,
   "lowest_premium_pct": 1.72,
   "spread_pp": 4.03,
   "spot_avg": 4007.26
  },
  {
   "date": "2026-10-24",
   "snapshots": 30,
   "dealers_quoted": 9,
   "median_premium_pct": 3.2,
   "lowest_premium_pct": 1.73,
   "spread_pp": 4.02,
   "spot_avg": 3996.9
  },
  {
   "date": "2026-10-25",
   "snapshots": 31,
   "dealers_quoted": 9,
   "median_premium_pct": 3.34,
   "lowest_premium_pct": 1.73,
   "spread_pp": 4.02,
   "spot_avg": 3997.18
  },
  {
   "date": "2026-10-26",
   "snapshots": 17,
   "dealers_quoted": 9,
   "median_premium_pct": 3.7,
   "lowest_premium_pct": 1.69,
   "spread_pp": 4.1,
   "spot_avg": 4017.14
  },
  {
   "date": "2026-10-27",
   "snapshots": 7,
   "dealers_quoted": 9,
   "median_premium_pct": 3.75,
   "lowest_premium_pct": 1.71,
   "spread_pp": 4.03,
   "spot_avg": 4043.96
  },
  {
   "date": "2026-10-28",
   "snapshots": 2,
   "dealers_quoted": 9,
   "median_premium_pct": 3.97,
   "lowest_premium_pct": 1.72,
   "spread_pp": 4.03,
   "spot_avg": 4052.05
  },
  {
   "date": "2026-10-29",
   "snapshots": 18,
   "dealers_quoted": 9,
   "median_premium_pct": 3.93,
   "lowest_premium_pct": 1.98,
   "spread_pp": 4.3,
   "spot_avg": 4017.09
  },
  {
   "date": "2026-10-30",
   "snapshots": 25,
   "dealers_quoted": 9,
   "median_premium_pct": 4.71,
   "lowest_premium_pct": 2.07,
   "spread_pp": 3.88,
   "spot_avg": 3912.33
  },
  {
   "date": "2026-10-31",
   "snapshots": 24,
   "dealers_quoted": 7,
   "median_premium_pct": 4.9,
   "lowest_premium_pct": 2.1,
   "spread_pp": 3.82,
   "spot_avg": 3876.4
  },
  {
   "date": "2026-11-01",
   "snapshots": 22,
   "dealers_quoted": 7,
   "median_premium_pct": 4.9,
   "lowest_premium_pct": 3.71,
   "spread_pp": 2.21,
   "spot_avg": 3884.73
  },
  {
   "date": "2026-11-02",
   "snapshots": 7,
   "dealers_quoted": 8,
   "median_premium_pct": 4.45,
   "lowest_premium_pct": 2.46,
   "spread_pp": 3.51,
   "spot_avg": 3944.43
  },
  {
   "date": "2026-11-04",
   "snapshots": 20,
   "dealers_quoted": 8,
   "median_premium_pct": 5.41,
   "lowest_premium_pct": 3.68,
   "spread_pp": 2.73,
   "spot_avg": 4069.98
  },
  {
   "date": "2026-11-05",
   "snapshots": 19,
   "dealers_quoted": 9,
   "median_premium_pct": 5.35,
   "lowest_premium_pct": 4.27,
   "spread_pp": 2.57,
   "spot_avg": 4095.28
  },
  {
   "date": "2026-11-06",
   "snapshots": 23,
   "dealers_quoted": 9,
   "median_premium_pct": 5.22,
   "lowest_premium_pct": 4.06,
   "spread_pp": 2.66,
   "spot_avg": 4067.41
  },
  {
   "date": "2026-11-07",
   "snapshots": 19,
   "dealers_quoted": 9,
   "median_premium_pct": 5.26,
   "lowest_premium_pct": 4.15,
   "spread_pp": 2.69,
   "spot_avg": 4072.1
  },
  {
   "date": "2026-11-08",
   "snapshots": 21,
   "dealers_quoted": 9,
   "median_premium_pct": 5.04,
   "lowest_premium_pct": 2.98,
   "spread_pp": 3.86,
   "spot_avg": 4084.34
  },
  {
   "date": "2026-11-09",
   "snapshots": 27,
   "dealers_quoted": 9,
   "median_premium_pct": 5.04,
   "lowest_premium_pct": 2.92,
   "spread_pp": 3.77,
   "spot_avg": 4120.56
  },
  {
   "date": "2026-11-10",
   "snapshots": 37,
   "dealers_quoted": 10,
   "median_premium_pct": 5.0,
   "lowest_premium_pct": 3.46,
   "spread_pp": 3.18,
   "spot_avg": 4055.1
  },
  {
   "date": "2026-11-11",
   "snapshots": 13,
   "dealers_quoted": 9,
   "median_premium_pct": 4.98,
   "lowest_premium_pct": 3.47,
   "spread_pp": 3.13,
   "spot_avg": 4050.92
  }
 ],
 "dealers": [
  {
   "dealer": "monument",
   "snapshots": 500,
   "coverage_pct": 97.3,
   "avg_premium_pct": 2.81,
   "avg_rank": 1.72,
   "vs_market_median_pp": -1.35,
   "times_cheapest": 204,
   "premium_volatility_pp": 1.12,
   "price_changes": 325,
   "dealer_name": "Monument Metals"
  },
  {
   "dealer": "mintbuilder",
   "snapshots": 439,
   "coverage_pct": 85.4,
   "avg_premium_pct": 2.93,
   "avg_rank": 2.43,
   "vs_market_median_pp": -1.15,
   "times_cheapest": 246,
   "premium_volatility_pp": 1.56,
   "price_changes": 265,
   "dealer_name": "MintBuilder"
  },
  {
   "dealer": "sdbullion",
   "snapshots": 508,
   "coverage_pct": 98.8,
   "avg_premium_pct": 3.42,
   "avg_rank": 2.87,
   "vs_market_median_pp": -0.72,
   "times_cheapest": 48,
   "premium_volatility_pp": 0.71,
   "price_changes": 140,
   "dealer_name": "SD Bullion"
  },
  {
   "dealer": "summit",
   "snapshots": 502,
   "coverage_pct": 97.7,
   "avg_premium_pct": 4.28,
   "avg_rank": 5.03,
   "vs_market_median_pp": 0.11,
   "times_cheapest": 0,
   "premium_volatility_pp": 0.87,
   "price_changes": 331,
   "dealer_name": "Summit Metals"
  },
  {
   "dealer": "agate",
   "snapshots": 482,
   "coverage_pct": 93.8,
   "avg_premium_pct": 4.36,
   "avg_rank": 5.16,
   "vs_market_median_pp": 0.18,
   "times_cheapest": 15,
   "premium_volatility_pp": 1.87,
   "price_changes": 123,
   "dealer_name": "Agate Metals"
  },
  {
   "dealer": "bullionstandard",
   "snapshots": 502,
   "coverage_pct": 97.7,
   "avg_premium_pct": 4.43,
   "avg_rank": 5.45,
   "vs_market_median_pp": 0.26,
   "times_cheapest": 0,
   "premium_volatility_pp": 0.69,
   "price_changes": 334,
   "dealer_name": "Bullion Standard"
  },
  {
   "dealer": "hero",
   "snapshots": 367,
   "coverage_pct": 71.4,
   "avg_premium_pct": 4.15,
   "avg_rank": 5.64,
   "vs_market_median_pp": 0.27,
   "times_cheapest": 1,
   "premium_volatility_pp": 0.69,
   "price_changes": 61,
   "dealer_name": "Hero Bullion"
  },
  {
   "dealer": "kitco",
   "snapshots": 56,
   "coverage_pct": 10.9,
   "avg_premium_pct": 3.81,
   "avg_rank": 5.95,
   "vs_market_median_pp": 0.38,
   "times_cheapest": 0,
   "premium_volatility_pp": 0.19,
   "price_changes": 44,
   "dealer_name": "Kitco"
  },
  {
   "dealer": "atcost",
   "snapshots": 347,
   "coverage_pct": 67.5,
   "avg_premium_pct": 5.27,
   "avg_rank": 6.8,
   "vs_market_median_pp": 0.63,
   "times_cheapest": 0,
   "premium_volatility_pp": 0.63,
   "price_changes": 214,
   "dealer_name": "At Cost Metals"
  },
  {
   "dealer": "apmex",
   "snapshots": 511,
   "coverage_pct": 99.4,
   "avg_premium_pct": 5.71,
   "avg_rank": 7.37,
   "vs_market_median_pp": 1.55,
   "times_cheapest": 0,
   "premium_volatility_pp": 0.24,
   "price_changes": 346,
   "dealer_name": "APMEX"
  }
 ],
 "method": "Premium % = price / (spot x oz) - 1 with the spot recorded in the same snapshot. vs_market_median_pp = mean over snapshots of (dealer premium - median dealer premium in that snapshot). Daily values are the median across that day's snapshots (ET days). Rank 1 = lowest premium in a snapshot. Vs market median = a dealer's premium minus the median dealer premium in the same snapshot, averaged (negative = below the market). Volatility = population std dev of a dealer's premium % across snapshots (removes spot moves). No values are interpolated; days without snapshots are absent."
}