{
 "schema_version": 1,
 "slug": "american-gold-eagle-1-10oz",
 "name": "1/10 oz American Gold Eagle",
 "metal": "gold",
 "oz": 0.1,
 "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": 7,
   "median_premium_pct": 17.19,
   "lowest_premium_pct": 12.53,
   "spread_pp": 8.19,
   "spot_avg": 4153.22
  },
  {
   "date": "2026-10-16",
   "snapshots": 7,
   "dealers_quoted": 7,
   "median_premium_pct": 15.07,
   "lowest_premium_pct": 8.36,
   "spread_pp": 12.22,
   "spot_avg": 4171.87
  },
  {
   "date": "2026-10-17",
   "snapshots": 2,
   "dealers_quoted": 7,
   "median_premium_pct": 13.89,
   "lowest_premium_pct": 8.72,
   "spread_pp": 11.82,
   "spot_avg": 4166.1
  },
  {
   "date": "2026-10-18",
   "snapshots": 12,
   "dealers_quoted": 7,
   "median_premium_pct": 13.86,
   "lowest_premium_pct": 8.95,
   "spread_pp": 11.59,
   "spot_avg": 4171.55
  },
  {
   "date": "2026-10-19",
   "snapshots": 32,
   "dealers_quoted": 7,
   "median_premium_pct": 14.02,
   "lowest_premium_pct": 8.76,
   "spread_pp": 13.2,
   "spot_avg": 4145.9
  },
  {
   "date": "2026-10-20",
   "snapshots": 22,
   "dealers_quoted": 7,
   "median_premium_pct": 14.08,
   "lowest_premium_pct": 8.75,
   "spread_pp": 13.28,
   "spot_avg": 4127.37
  },
  {
   "date": "2026-10-21",
   "snapshots": 7,
   "dealers_quoted": 6,
   "median_premium_pct": 15.31,
   "lowest_premium_pct": 8.77,
   "spread_pp": 13.23,
   "spot_avg": 4138.13
  },
  {
   "date": "2026-10-22",
   "snapshots": 23,
   "dealers_quoted": 7,
   "median_premium_pct": 15.37,
   "lowest_premium_pct": 10.98,
   "spread_pp": 11.48,
   "spot_avg": 4042.99
  },
  {
   "date": "2026-10-23",
   "snapshots": 27,
   "dealers_quoted": 7,
   "median_premium_pct": 15.37,
   "lowest_premium_pct": 11.06,
   "spread_pp": 11.51,
   "spot_avg": 4007.26
  },
  {
   "date": "2026-10-24",
   "snapshots": 30,
   "dealers_quoted": 8,
   "median_premium_pct": 14.42,
   "lowest_premium_pct": 8.72,
   "spread_pp": 13.92,
   "spot_avg": 3996.9
  },
  {
   "date": "2026-10-25",
   "snapshots": 31,
   "dealers_quoted": 8,
   "median_premium_pct": 14.71,
   "lowest_premium_pct": 8.72,
   "spread_pp": 13.92,
   "spot_avg": 3997.18
  },
  {
   "date": "2026-10-26",
   "snapshots": 17,
   "dealers_quoted": 8,
   "median_premium_pct": 14.42,
   "lowest_premium_pct": 10.81,
   "spread_pp": 11.78,
   "spot_avg": 4017.14
  },
  {
   "date": "2026-10-27",
   "snapshots": 7,
   "dealers_quoted": 7,
   "median_premium_pct": 14.4,
   "lowest_premium_pct": 11.22,
   "spread_pp": 11.12,
   "spot_avg": 4043.96
  },
  {
   "date": "2026-10-28",
   "snapshots": 2,
   "dealers_quoted": 7,
   "median_premium_pct": 14.8,
   "lowest_premium_pct": 11.85,
   "spread_pp": 10.56,
   "spot_avg": 4052.05
  },
  {
   "date": "2026-10-29",
   "snapshots": 18,
   "dealers_quoted": 7,
   "median_premium_pct": 14.99,
   "lowest_premium_pct": 12.1,
   "spread_pp": 10.95,
   "spot_avg": 4017.09
  },
  {
   "date": "2026-10-30",
   "snapshots": 25,
   "dealers_quoted": 7,
   "median_premium_pct": 15.3,
   "lowest_premium_pct": 12.38,
   "spread_pp": 10.76,
   "spot_avg": 3912.33
  },
  {
   "date": "2026-10-31",
   "snapshots": 24,
   "dealers_quoted": 7,
   "median_premium_pct": 15.29,
   "lowest_premium_pct": 13.12,
   "spread_pp": 10.21,
   "spot_avg": 3876.4
  },
  {
   "date": "2026-11-01",
   "snapshots": 22,
   "dealers_quoted": 7,
   "median_premium_pct": 15.29,
   "lowest_premium_pct": 13.12,
   "spread_pp": 10.21,
   "spot_avg": 3884.73
  },
  {
   "date": "2026-11-02",
   "snapshots": 7,
   "dealers_quoted": 7,
   "median_premium_pct": 14.87,
   "lowest_premium_pct": 12.63,
   "spread_pp": 10.31,
   "spot_avg": 3944.43
  },
  {
   "date": "2026-11-04",
   "snapshots": 20,
   "dealers_quoted": 6,
   "median_premium_pct": 15.23,
   "lowest_premium_pct": 12.62,
   "spread_pp": 9.75,
   "spot_avg": 4069.98
  },
  {
   "date": "2026-11-05",
   "snapshots": 19,
   "dealers_quoted": 6,
   "median_premium_pct": 15.14,
   "lowest_premium_pct": 12.33,
   "spread_pp": 9.87,
   "spot_avg": 4095.28
  },
  {
   "date": "2026-11-06",
   "snapshots": 23,
   "dealers_quoted": 6,
   "median_premium_pct": 15.09,
   "lowest_premium_pct": 12.34,
   "spread_pp": 10.02,
   "spot_avg": 4067.41
  },
  {
   "date": "2026-11-07",
   "snapshots": 19,
   "dealers_quoted": 6,
   "median_premium_pct": 15.09,
   "lowest_premium_pct": 12.66,
   "spread_pp": 9.43,
   "spot_avg": 4072.1
  },
  {
   "date": "2026-11-08",
   "snapshots": 21,
   "dealers_quoted": 6,
   "median_premium_pct": 15.09,
   "lowest_premium_pct": 12.66,
   "spread_pp": 9.43,
   "spot_avg": 4084.34
  },
  {
   "date": "2026-11-09",
   "snapshots": 27,
   "dealers_quoted": 6,
   "median_premium_pct": 15.14,
   "lowest_premium_pct": 12.38,
   "spread_pp": 9.72,
   "spot_avg": 4120.56
  },
  {
   "date": "2026-11-10",
   "snapshots": 37,
   "dealers_quoted": 7,
   "median_premium_pct": 15.56,
   "lowest_premium_pct": 12.37,
   "spread_pp": 10.13,
   "spot_avg": 4055.1
  },
  {
   "date": "2026-11-11",
   "snapshots": 13,
   "dealers_quoted": 7,
   "median_premium_pct": 15.53,
   "lowest_premium_pct": 12.34,
   "spread_pp": 10.08,
   "spot_avg": 4050.92
  }
 ],
 "dealers": [
  {
   "dealer": "kitco",
   "snapshots": 4,
   "coverage_pct": 0.8,
   "avg_premium_pct": 9.98,
   "avg_rank": 1,
   "vs_market_median_pp": -4.98,
   "times_cheapest": 4,
   "premium_volatility_pp": 0.44,
   "price_changes": 1,
   "dealer_name": "Kitco"
  },
  {
   "dealer": "bullionstandard",
   "snapshots": 502,
   "coverage_pct": 97.7,
   "avg_premium_pct": 11.93,
   "avg_rank": 1.37,
   "vs_market_median_pp": -3.02,
   "times_cheapest": 315,
   "premium_volatility_pp": 0.74,
   "price_changes": 330,
   "dealer_name": "Bullion Standard"
  },
  {
   "dealer": "hero",
   "snapshots": 202,
   "coverage_pct": 39.3,
   "avg_premium_pct": 10.33,
   "avg_rank": 1.9,
   "vs_market_median_pp": -4.27,
   "times_cheapest": 165,
   "premium_volatility_pp": 3.33,
   "price_changes": 27,
   "dealer_name": "Hero Bullion"
  },
  {
   "dealer": "agate",
   "snapshots": 483,
   "coverage_pct": 94.0,
   "avg_premium_pct": 13.38,
   "avg_rank": 2.73,
   "vs_market_median_pp": -1.6,
   "times_cheapest": 29,
   "premium_volatility_pp": 1.23,
   "price_changes": 123,
   "dealer_name": "Agate Metals"
  },
  {
   "dealer": "monument",
   "snapshots": 501,
   "coverage_pct": 97.5,
   "avg_premium_pct": 14.59,
   "avg_rank": 3.35,
   "vs_market_median_pp": -0.36,
   "times_cheapest": 0,
   "premium_volatility_pp": 0.51,
   "price_changes": 326,
   "dealer_name": "Monument Metals"
  },
  {
   "dealer": "summit",
   "snapshots": 502,
   "coverage_pct": 97.7,
   "avg_premium_pct": 15.79,
   "avg_rank": 4.14,
   "vs_market_median_pp": 0.84,
   "times_cheapest": 0,
   "premium_volatility_pp": 0.76,
   "price_changes": 331,
   "dealer_name": "Summit Metals"
  },
  {
   "dealer": "sdbullion",
   "snapshots": 509,
   "coverage_pct": 99.0,
   "avg_premium_pct": 16.39,
   "avg_rank": 4.82,
   "vs_market_median_pp": 1.38,
   "times_cheapest": 1,
   "premium_volatility_pp": 1.05,
   "price_changes": 135,
   "dealer_name": "SD Bullion"
  },
  {
   "dealer": "atcost",
   "snapshots": 168,
   "coverage_pct": 32.7,
   "avg_premium_pct": 22.66,
   "avg_rank": 6.26,
   "vs_market_median_pp": 7.69,
   "times_cheapest": 0,
   "premium_volatility_pp": 0.36,
   "price_changes": 80,
   "dealer_name": "At Cost Metals"
  },
  {
   "dealer": "apmex",
   "snapshots": 512,
   "coverage_pct": 99.6,
   "avg_premium_pct": 22.33,
   "avg_rank": 6.58,
   "vs_market_median_pp": 7.32,
   "times_cheapest": 0,
   "premium_volatility_pp": 0.7,
   "price_changes": 345,
   "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."
}