{
  "date": "2026-09-26",
  "generated_at": "2026-09-26T08:04:50.951067",
  "artifact_type": "home_run_high_upside_board",
  "description": "Separate high-upside HR board built from the tail-risk layer. It is not a replacement for the core HR board and is not simply highest raw HR probability.",
  "scoring": {
    "formula": "100 * (0.40*uplift_component + 0.30*base_component + 0.20*odds_component + 0.10*active_component)",
    "base_component": "clamp((prob_1_plus_hr - 0.10) / 0.10, 0, 1)",
    "uplift_component": "clamp(tail_uplift / 0.004, 0, 1)",
    "odds_component": "prefers roughly +180 to +450 HR odds with a fade above that",
    "active_component": "1.0 only when tail_layer_active_flag == 1"
  },
  "guardrails": {
    "main_board": {
      "requires_tail_layer_active": true,
      "minimum_base_probability": 0.1,
      "minimum_tail_uplift": 0.0015,
      "minimum_over_odds_if_available": 160
    },
    "watchlist": {
      "minimum_base_probability": 0.075,
      "minimum_tail_uplift": 0.0005,
      "allows_longer_odds_alternatives": true
    }
  },
  "diagnostics": {
    "projection_count": 99,
    "odds_matched_count": 56,
    "tail_active_count": 0,
    "tail_active_rate": 0.0,
    "strict_pool_count": 0,
    "watch_pool_count": 21,
    "fallback_used": true
  },
  "main_board": [],
  "extended_watchlist": [
    {
      "date": "2026-09-26",
      "player_name": "Corbin Carroll",
      "hitter_name": "Corbin Carroll",
      "hitter_id": 682998,
      "team": "AZ",
      "team_abbr": "AZ",
      "opponent": "SD",
      "opponent_abbr": "SD",
      "game_id": 823245,
      "lineup_slot": 1,
      "sportsbook": "FanDuel",
      "hr_odds": 450,
      "over_odds": 450,
      "prob_1_plus_hr": 0.2063,
      "expected_home_runs": 0.2311,
      "tail_adjusted_prob_1_plus_hr_v3": 0.2064,
      "tail_uplift": 0.0001,
      "tail_multiplier": 1.0,
      "framing_component": 1.0,
      "tail_layer_active_flag": 0,
      "game_cluster_flag": 0,
      "high_upside_score": 51.0,
      "board_tier": "",
      "reason_for_inclusion": "Playable base HR rate; Long odds with asymmetric upside"
    },
    {
      "date": "2026-09-26",
      "player_name": "Jos\u00e9 Ram\u00edrez",
      "hitter_name": "Jos\u00e9 Ram\u00edrez",
      "hitter_id": 608070,
      "team": "CLE",
      "team_abbr": "CLE",
      "opponent": "KC",
      "opponent_abbr": "KC",
      "game_id": 824057,
      "lineup_slot": 1,
      "sportsbook": "FanDuel",
      "hr_odds": 395,
      "over_odds": 395,
      "prob_1_plus_hr": 0.1895,
      "expected_home_runs": 0.2101,
      "tail_adjusted_prob_1_plus_hr_v3": 0.1896,
      "tail_uplift": 0.0001,
      "tail_multiplier": 1.0,
      "framing_component": 1.0,
      "tail_layer_active_flag": 0,
      "game_cluster_flag": 0,
      "high_upside_score": 47.85,
      "board_tier": "",
      "reason_for_inclusion": "Playable base HR rate; Long odds with asymmetric upside"
    },
    {
      "date": "2026-09-26",
      "player_name": "Bobby Witt Jr.",
      "hitter_name": "Bobby Witt Jr.",
      "hitter_id": 677951,
      "team": "KC",
      "team_abbr": "KC",
      "opponent": "CLE",
      "opponent_abbr": "CLE",
      "game_id": 824057,
      "lineup_slot": 1,
      "sportsbook": "FanDuel",
      "hr_odds": 470,
      "over_odds": 470,
      "prob_1_plus_hr": 0.1867,
      "expected_home_runs": 0.2066,
      "tail_adjusted_prob_1_plus_hr_v3": 0.1868,
      "tail_uplift": 0.0001,
      "tail_multiplier": 1.0,
      "framing_component": 1.0,
      "tail_layer_active_flag": 0,
      "game_cluster_flag": 0,
      "high_upside_score": 45.41,
      "board_tier": "",
      "reason_for_inclusion": "Playable base HR rate; Long odds with asymmetric upside"
    },
    {
      "date": "2026-09-26",
      "player_name": "Brandon Nimmo",
      "hitter_name": "Brandon Nimmo",
      "hitter_id": 607043,
      "team": "TEX",
      "team_abbr": "TEX",
      "opponent": "MIN",
      "opponent_abbr": "MIN",
      "game_id": 823653,
      "lineup_slot": 3,
      "sportsbook": "FanDuel",
      "hr_odds": 515,
      "over_odds": 515,
      "prob_1_plus_hr": 0.1921,
      "expected_home_runs": 0.2133,
      "tail_adjusted_prob_1_plus_hr_v3": 0.1922,
      "tail_uplift": 0.0001,
      "tail_multiplier": 1.0,
      "framing_component": 1.0,
      "tail_layer_active_flag": 0,
      "game_cluster_flag": 0,
      "high_upside_score": 43.43,
      "board_tier": "",
      "reason_for_inclusion": "Playable base HR rate; Long odds with asymmetric upside"
    },
    {
      "date": "2026-09-26",
      "player_name": "Nick Kurtz",
      "hitter_name": "Nick Kurtz",
      "hitter_id": 701762,
      "team": "ATH",
      "team_abbr": "ATH",
      "opponent": "HOU",
      "opponent_abbr": "HOU",
      "game_id": 824949,
      "lineup_slot": 1,
      "sportsbook": "FanDuel",
      "hr_odds": 280,
      "over_odds": 280,
      "prob_1_plus_hr": 0.2114,
      "expected_home_runs": 0.2375,
      "tail_adjusted_prob_1_plus_hr_v3": 0.2115,
      "tail_uplift": 0.0001,
      "tail_multiplier": 1.0,
      "framing_component": 1.0,
      "tail_layer_active_flag": 0,
      "game_cluster_flag": 0,
      "high_upside_score": 42.76,
      "board_tier": "",
      "reason_for_inclusion": "Playable base HR rate; Long odds with asymmetric upside"
    },
    {
      "date": "2026-09-26",
      "player_name": "Marcell Ozuna",
      "hitter_name": "Marcell Ozuna",
      "hitter_id": 542303,
      "team": "PIT",
      "team_abbr": "PIT",
      "opponent": "DET",
      "opponent_abbr": "DET",
      "game_id": 824219,
      "lineup_slot": 2,
      "sportsbook": "FanDuel",
      "hr_odds": 380,
      "over_odds": 380,
      "prob_1_plus_hr": 0.1684,
      "expected_home_runs": 0.1844,
      "tail_adjusted_prob_1_plus_hr_v3": 0.1685,
      "tail_uplift": 0.0001,
      "tail_multiplier": 1.0,
      "framing_component": 1.0,
      "tail_layer_active_flag": 0,
      "game_cluster_flag": 0,
      "high_upside_score": 41.52,
      "board_tier": "",
      "reason_for_inclusion": "Playable base HR rate; Long odds with asymmetric upside"
    },
    {
      "date": "2026-09-26",
      "player_name": "Matt Wallner",
      "hitter_name": "Matt Wallner",
      "hitter_id": 670242,
      "team": "MIN",
      "team_abbr": "MIN",
      "opponent": "TEX",
      "opponent_abbr": "TEX",
      "game_id": 823653,
      "lineup_slot": 2,
      "sportsbook": "FanDuel",
      "hr_odds": 405,
      "over_odds": 405,
      "prob_1_plus_hr": 0.1641,
      "expected_home_runs": 0.1793,
      "tail_adjusted_prob_1_plus_hr_v3": 0.1643,
      "tail_uplift": 0.0002,
      "tail_multiplier": 1.0,
      "framing_component": 1.0,
      "tail_layer_active_flag": 0,
      "game_cluster_flag": 0,
      "high_upside_score": 41.23,
      "board_tier": "",
      "reason_for_inclusion": "Playable base HR rate; Long odds with asymmetric upside"
    },
    {
      "date": "2026-09-26",
      "player_name": "Willy Adames",
      "hitter_name": "Willy Adames",
      "hitter_id": 642715,
      "team": "SF",
      "team_abbr": "SF",
      "opponent": "LAD",
      "opponent_abbr": "LAD",
      "game_id": 823165,
      "lineup_slot": 4,
      "sportsbook": "FanDuel",
      "hr_odds": 455,
      "over_odds": 455,
      "prob_1_plus_hr": 0.1643,
      "expected_home_runs": 0.1795,
      "tail_adjusted_prob_1_plus_hr_v3": 0.1645,
      "tail_uplift": 0.0002,
      "tail_multiplier": 1.0,
      "framing_component": 1.0,
      "tail_layer_active_flag": 0,
      "game_cluster_flag": 0,
      "high_upside_score": 40.89,
      "board_tier": "",
      "reason_for_inclusion": "Playable base HR rate; Long odds with asymmetric upside"
    },
    {
      "date": "2026-09-26",
      "player_name": "Tyler Soderstrom",
      "hitter_name": "Tyler Soderstrom",
      "hitter_id": 691016,
      "team": "ATH",
      "team_abbr": "ATH",
      "opponent": "HOU",
      "opponent_abbr": "HOU",
      "game_id": 824949,
      "lineup_slot": 5,
      "sportsbook": "FanDuel",
      "hr_odds": 585,
      "over_odds": 585,
      "prob_1_plus_hr": 0.1862,
      "expected_home_runs": 0.2061,
      "tail_adjusted_prob_1_plus_hr_v3": 0.1863,
      "tail_uplift": 0.0001,
      "tail_multiplier": 1.0,
      "framing_component": 1.0,
      "tail_layer_active_flag": 0,
      "game_cluster_flag": 0,
      "high_upside_score": 39.86,
      "board_tier": "",
      "reason_for_inclusion": "Playable base HR rate; Long odds with asymmetric upside; Lower-lineup upside profile"
    },
    {
      "date": "2026-09-26",
      "player_name": "Brandon Lowe",
      "hitter_name": "Brandon Lowe",
      "hitter_id": 664040,
      "team": "PIT",
      "team_abbr": "PIT",
      "opponent": "DET",
      "opponent_abbr": "DET",
      "game_id": 824219,
      "lineup_slot": 4,
      "sportsbook": "FanDuel",
      "hr_odds": 395,
      "over_odds": 395,
      "prob_1_plus_hr": 0.1617,
      "expected_home_runs": 0.1764,
      "tail_adjusted_prob_1_plus_hr_v3": 0.1618,
      "tail_uplift": 0.0001,
      "tail_multiplier": 1.0,
      "framing_component": 1.0,
      "tail_layer_active_flag": 0,
      "game_cluster_flag": 0,
      "high_upside_score": 39.51,
      "board_tier": "",
      "reason_for_inclusion": "Playable base HR rate; Long odds with asymmetric upside"
    }
  ],
  "site_preview": {
    "main_board": [],
    "watchlist": [
      {
        "player_name": "Corbin Carroll",
        "team": "AZ",
        "opponent": "SD",
        "lineup_slot": 1,
        "hr_odds": 450,
        "prob_1_plus_hr": 0.2063,
        "tail_uplift": 0.0001,
        "high_upside_score": 51.0
      },
      {
        "player_name": "Jos\u00e9 Ram\u00edrez",
        "team": "CLE",
        "opponent": "KC",
        "lineup_slot": 1,
        "hr_odds": 395,
        "prob_1_plus_hr": 0.1895,
        "tail_uplift": 0.0001,
        "high_upside_score": 47.85
      },
      {
        "player_name": "Bobby Witt Jr.",
        "team": "KC",
        "opponent": "CLE",
        "lineup_slot": 1,
        "hr_odds": 470,
        "prob_1_plus_hr": 0.1867,
        "tail_uplift": 0.0001,
        "high_upside_score": 45.41
      },
      {
        "player_name": "Brandon Nimmo",
        "team": "TEX",
        "opponent": "MIN",
        "lineup_slot": 3,
        "hr_odds": 515,
        "prob_1_plus_hr": 0.1921,
        "tail_uplift": 0.0001,
        "high_upside_score": 43.43
      },
      {
        "player_name": "Nick Kurtz",
        "team": "ATH",
        "opponent": "HOU",
        "lineup_slot": 1,
        "hr_odds": 280,
        "prob_1_plus_hr": 0.2114,
        "tail_uplift": 0.0001,
        "high_upside_score": 42.76
      },
      {
        "player_name": "Marcell Ozuna",
        "team": "PIT",
        "opponent": "DET",
        "lineup_slot": 2,
        "hr_odds": 380,
        "prob_1_plus_hr": 0.1684,
        "tail_uplift": 0.0001,
        "high_upside_score": 41.52
      },
      {
        "player_name": "Matt Wallner",
        "team": "MIN",
        "opponent": "TEX",
        "lineup_slot": 2,
        "hr_odds": 405,
        "prob_1_plus_hr": 0.1641,
        "tail_uplift": 0.0002,
        "high_upside_score": 41.23
      },
      {
        "player_name": "Willy Adames",
        "team": "SF",
        "opponent": "LAD",
        "lineup_slot": 4,
        "hr_odds": 455,
        "prob_1_plus_hr": 0.1643,
        "tail_uplift": 0.0002,
        "high_upside_score": 40.89
      },
      {
        "player_name": "Tyler Soderstrom",
        "team": "ATH",
        "opponent": "HOU",
        "lineup_slot": 5,
        "hr_odds": 585,
        "prob_1_plus_hr": 0.1862,
        "tail_uplift": 0.0001,
        "high_upside_score": 39.86
      },
      {
        "player_name": "Brandon Lowe",
        "team": "PIT",
        "opponent": "DET",
        "lineup_slot": 4,
        "hr_odds": 395,
        "prob_1_plus_hr": 0.1617,
        "tail_uplift": 0.0001,
        "high_upside_score": 39.51
      }
    ]
  }
}