{
 "schema_version": 1,
 "slug": "silver-bar-10oz",
 "name": "10 oz Silver Bar",
 "metal": "silver",
 "oz": 10,
 "first_snapshot": "2026-10-15T05:00:54+00:00",
 "last_snapshot": "2026-11-11T14:49:33+00:00",
 "days_with_data": 27,
 "snapshots": 516,
 "daily": [
  {
   "date": "2026-10-15",
   "snapshots": 20,
   "dealers_quoted": 7,
   "median_premium_pct": 9.52,
   "lowest_premium_pct": 1.35,
   "spread_pp": 15.71,
   "spot_avg": 56.84
  },
  {
   "date": "2026-10-16",
   "snapshots": 7,
   "dealers_quoted": 7,
   "median_premium_pct": 8.07,
   "lowest_premium_pct": 3.09,
   "spread_pp": 13.55,
   "spot_avg": 57.57
  },
  {
   "date": "2026-10-17",
   "snapshots": 2,
   "dealers_quoted": 7,
   "median_premium_pct": 7.92,
   "lowest_premium_pct": 1.05,
   "spread_pp": 15.78,
   "spot_avg": 57.12
  },
  {
   "date": "2026-10-18",
   "snapshots": 12,
   "dealers_quoted": 7,
   "median_premium_pct": 7.92,
   "lowest_premium_pct": 1.05,
   "spread_pp": 15.78,
   "spot_avg": 57.37
  },
  {
   "date": "2026-10-19",
   "snapshots": 32,
   "dealers_quoted": 7,
   "median_premium_pct": 7.85,
   "lowest_premium_pct": 1.19,
   "spread_pp": 15.62,
   "spot_avg": 57.34
  },
  {
   "date": "2026-10-20",
   "snapshots": 22,
   "dealers_quoted": 6,
   "median_premium_pct": 7.78,
   "lowest_premium_pct": 1.4,
   "spread_pp": 15.36,
   "spot_avg": 57.82
  },
  {
   "date": "2026-10-21",
   "snapshots": 7,
   "dealers_quoted": 5,
   "median_premium_pct": 7.97,
   "lowest_premium_pct": 3.54,
   "spread_pp": 13.07,
   "spot_avg": 57.96
  },
  {
   "date": "2026-10-22",
   "snapshots": 23,
   "dealers_quoted": 7,
   "median_premium_pct": 8.36,
   "lowest_premium_pct": 1.91,
   "spread_pp": 15.77,
   "spot_avg": 55.02
  },
  {
   "date": "2026-10-23",
   "snapshots": 27,
   "dealers_quoted": 6,
   "median_premium_pct": 8.11,
   "lowest_premium_pct": 1.45,
   "spread_pp": 8.9,
   "spot_avg": 54.06
  },
  {
   "date": "2026-10-24",
   "snapshots": 30,
   "dealers_quoted": 7,
   "median_premium_pct": 8.22,
   "lowest_premium_pct": 1.49,
   "spread_pp": 13.98,
   "spot_avg": 54.05
  },
  {
   "date": "2026-10-25",
   "snapshots": 31,
   "dealers_quoted": 8,
   "median_premium_pct": 8.32,
   "lowest_premium_pct": 1.49,
   "spread_pp": 19.06,
   "spot_avg": 54.06
  },
  {
   "date": "2026-10-26",
   "snapshots": 18,
   "dealers_quoted": 7,
   "median_premium_pct": 6.73,
   "lowest_premium_pct": 1.72,
   "spread_pp": 18.63,
   "spot_avg": 54.1
  },
  {
   "date": "2026-10-27",
   "snapshots": 7,
   "dealers_quoted": 6,
   "median_premium_pct": 6.87,
   "lowest_premium_pct": 1.96,
   "spread_pp": 18.14,
   "spot_avg": 54.18
  },
  {
   "date": "2026-10-28",
   "snapshots": 2,
   "dealers_quoted": 6,
   "median_premium_pct": 6.66,
   "lowest_premium_pct": 1.7,
   "spread_pp": 18.6,
   "spot_avg": 54.06
  },
  {
   "date": "2026-10-29",
   "snapshots": 18,
   "dealers_quoted": 6,
   "median_premium_pct": 6.85,
   "lowest_premium_pct": 2.28,
   "spread_pp": 18.7,
   "spot_avg": 52.22
  },
  {
   "date": "2026-10-30",
   "snapshots": 26,
   "dealers_quoted": 6,
   "median_premium_pct": 7.15,
   "lowest_premium_pct": 3.32,
   "spread_pp": 19.23,
   "spot_avg": 49.68
  },
  {
   "date": "2026-10-31",
   "snapshots": 24,
   "dealers_quoted": 6,
   "median_premium_pct": 7.11,
   "lowest_premium_pct": 3.32,
   "spread_pp": 19.31,
   "spot_avg": 49.25
  },
  {
   "date": "2026-11-01",
   "snapshots": 22,
   "dealers_quoted": 6,
   "median_premium_pct": 7.11,
   "lowest_premium_pct": 3.32,
   "spread_pp": 19.31,
   "spot_avg": 49.49
  },
  {
   "date": "2026-11-02",
   "snapshots": 7,
   "dealers_quoted": 7,
   "median_premium_pct": 6.95,
   "lowest_premium_pct": 1.77,
   "spread_pp": 19.68,
   "spot_avg": 50.87
  },
  {
   "date": "2026-11-04",
   "snapshots": 20,
   "dealers_quoted": 7,
   "median_premium_pct": 7.3,
   "lowest_premium_pct": 1.74,
   "spread_pp": 15.05,
   "spot_avg": 52.42
  },
  {
   "date": "2026-11-05",
   "snapshots": 19,
   "dealers_quoted": 6,
   "median_premium_pct": 7.28,
   "lowest_premium_pct": 1.67,
   "spread_pp": 15.1,
   "spot_avg": 52.27
  },
  {
   "date": "2026-11-06",
   "snapshots": 23,
   "dealers_quoted": 6,
   "median_premium_pct": 7.84,
   "lowest_premium_pct": 1.79,
   "spread_pp": 15.04,
   "spot_avg": 52.07
  },
  {
   "date": "2026-11-07",
   "snapshots": 19,
   "dealers_quoted": 6,
   "median_premium_pct": 7.93,
   "lowest_premium_pct": 1.8,
   "spread_pp": 14.73,
   "spot_avg": 52.07
  },
  {
   "date": "2026-11-08",
   "snapshots": 21,
   "dealers_quoted": 5,
   "median_premium_pct": 9.73,
   "lowest_premium_pct": 5.59,
   "spread_pp": 10.94,
   "spot_avg": 52.38
  },
  {
   "date": "2026-11-09",
   "snapshots": 27,
   "dealers_quoted": 5,
   "median_premium_pct": 9.68,
   "lowest_premium_pct": 5.26,
   "spread_pp": 12.88,
   "spot_avg": 53.11
  },
  {
   "date": "2026-11-10",
   "snapshots": 37,
   "dealers_quoted": 7,
   "median_premium_pct": 7.75,
   "lowest_premium_pct": 3.67,
   "spread_pp": 15.12,
   "spot_avg": 52.16
  },
  {
   "date": "2026-11-11",
   "snapshots": 13,
   "dealers_quoted": 7,
   "median_premium_pct": 7.64,
   "lowest_premium_pct": 3.58,
   "spread_pp": 14.8,
   "spot_avg": 53.03
  }
 ],
 "dealers": [
  {
   "dealer": "mintbuilder",
   "snapshots": 125,
   "coverage_pct": 24.2,
   "avg_premium_pct": 2.3,
   "avg_rank": 1,
   "vs_market_median_pp": -5.33,
   "times_cheapest": 125,
   "premium_volatility_pp": 0.9,
   "price_changes": 88,
   "dealer_name": "MintBuilder"
  },
  {
   "dealer": "agate",
   "snapshots": 470,
   "coverage_pct": 91.1,
   "avg_premium_pct": 3.13,
   "avg_rank": 1.3,
   "vs_market_median_pp": -4.77,
   "times_cheapest": 336,
   "premium_volatility_pp": 1.8,
   "price_changes": 129,
   "dealer_name": "Agate Metals"
  },
  {
   "dealer": "bullionstandard",
   "snapshots": 504,
   "coverage_pct": 97.7,
   "avg_premium_pct": 4.63,
   "avg_rank": 2.25,
   "vs_market_median_pp": -3.3,
   "times_cheapest": 44,
   "premium_volatility_pp": 1.04,
   "price_changes": 332,
   "dealer_name": "Bullion Standard"
  },
  {
   "dealer": "hero",
   "snapshots": 203,
   "coverage_pct": 39.3,
   "avg_premium_pct": 8.14,
   "avg_rank": 3.42,
   "vs_market_median_pp": 0.08,
   "times_cheapest": 0,
   "premium_volatility_pp": 1.25,
   "price_changes": 15,
   "dealer_name": "Hero Bullion"
  },
  {
   "dealer": "summit",
   "snapshots": 504,
   "coverage_pct": 97.7,
   "avg_premium_pct": 8.74,
   "avg_rank": 3.69,
   "vs_market_median_pp": 0.82,
   "times_cheapest": 0,
   "premium_volatility_pp": 0.71,
   "price_changes": 325,
   "dealer_name": "Summit Metals"
  },
  {
   "dealer": "sdbullion",
   "snapshots": 510,
   "coverage_pct": 98.8,
   "avg_premium_pct": 8.63,
   "avg_rank": 4.14,
   "vs_market_median_pp": 0.67,
   "times_cheapest": 11,
   "premium_volatility_pp": 2.13,
   "price_changes": 138,
   "dealer_name": "SD Bullion"
  },
  {
   "dealer": "kitco",
   "snapshots": 56,
   "coverage_pct": 10.9,
   "avg_premium_pct": 9.56,
   "avg_rank": 5,
   "vs_market_median_pp": 1.21,
   "times_cheapest": 0,
   "premium_volatility_pp": 0.52,
   "price_changes": 42,
   "dealer_name": "Kitco"
  },
  {
   "dealer": "apmex",
   "snapshots": 514,
   "coverage_pct": 99.6,
   "avg_premium_pct": 16.27,
   "avg_rank": 5.54,
   "vs_market_median_pp": 8.3,
   "times_cheapest": 0,
   "premium_volatility_pp": 3.27,
   "price_changes": 346,
   "dealer_name": "APMEX"
  },
  {
   "dealer": "atcost",
   "snapshots": 174,
   "coverage_pct": 33.7,
   "avg_premium_pct": 21.39,
   "avg_rank": 6.26,
   "vs_market_median_pp": 13.83,
   "times_cheapest": 0,
   "premium_volatility_pp": 0.96,
   "price_changes": 84,
   "dealer_name": "At Cost Metals"
  }
 ],
 "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."
}