{
  "date": "2026-08-28",
  "generated_at": "2026-08-28T08:02:34.173397",
  "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": 126,
    "odds_matched_count": 70,
    "tail_active_count": 0,
    "tail_active_rate": 0.0,
    "strict_pool_count": 0,
    "watch_pool_count": 16,
    "fallback_used": true
  },
  "main_board": [],
  "extended_watchlist": [
    {
      "date": "2026-08-28",
      "player_name": "Francisco Lindor",
      "hitter_name": "Francisco Lindor",
      "hitter_id": 596019,
      "team": "NYM",
      "team_abbr": "NYM",
      "opponent": "HOU",
      "opponent_abbr": "HOU",
      "game_id": 823583,
      "lineup_slot": 2,
      "sportsbook": "FanDuel",
      "hr_odds": 420,
      "over_odds": 420,
      "prob_1_plus_hr": 0.1944,
      "expected_home_runs": 0.2162,
      "tail_adjusted_prob_1_plus_hr_v3": 0.1945,
      "tail_uplift": 0.0001,
      "tail_multiplier": 1.0,
      "framing_component": 1.0,
      "tail_layer_active_flag": 0,
      "game_cluster_flag": 0,
      "high_upside_score": 49.32,
      "board_tier": "",
      "reason_for_inclusion": "Playable base HR rate; Long odds with asymmetric upside"
    },
    {
      "date": "2026-08-28",
      "player_name": "Shea Langeliers",
      "hitter_name": "Shea Langeliers",
      "hitter_id": 669127,
      "team": "ATH",
      "team_abbr": "ATH",
      "opponent": "BAL",
      "opponent_abbr": "BAL",
      "game_id": 824960,
      "lineup_slot": 3,
      "sportsbook": "FanDuel",
      "hr_odds": 390,
      "over_odds": 390,
      "prob_1_plus_hr": 0.1913,
      "expected_home_runs": 0.2123,
      "tail_adjusted_prob_1_plus_hr_v3": 0.1914,
      "tail_uplift": 0.0001,
      "tail_multiplier": 1.0,
      "framing_component": 1.0,
      "tail_layer_active_flag": 0,
      "game_cluster_flag": 0,
      "high_upside_score": 48.39,
      "board_tier": "",
      "reason_for_inclusion": "Playable base HR rate; Long odds with asymmetric upside"
    },
    {
      "date": "2026-08-28",
      "player_name": "Matt Wallner",
      "hitter_name": "Matt Wallner",
      "hitter_id": 670242,
      "team": "MIN",
      "team_abbr": "MIN",
      "opponent": "CWS",
      "opponent_abbr": "CWS",
      "game_id": 823666,
      "lineup_slot": 2,
      "sportsbook": "FanDuel",
      "hr_odds": 405,
      "over_odds": 405,
      "prob_1_plus_hr": 0.1776,
      "expected_home_runs": 0.1955,
      "tail_adjusted_prob_1_plus_hr_v3": 0.1777,
      "tail_uplift": 0.0001,
      "tail_multiplier": 1.0,
      "framing_component": 1.0,
      "tail_layer_active_flag": 0,
      "game_cluster_flag": 0,
      "high_upside_score": 44.28,
      "board_tier": "",
      "reason_for_inclusion": "Playable base HR rate; Long odds with asymmetric upside"
    },
    {
      "date": "2026-08-28",
      "player_name": "Ozzie Albies",
      "hitter_name": "Ozzie Albies",
      "hitter_id": 645277,
      "team": "ATL",
      "team_abbr": "ATL",
      "opponent": "COL",
      "opponent_abbr": "COL",
      "game_id": 824877,
      "lineup_slot": 5,
      "sportsbook": "DraftKings",
      "hr_odds": 615,
      "over_odds": 615,
      "prob_1_plus_hr": 0.2024,
      "expected_home_runs": 0.2261,
      "tail_adjusted_prob_1_plus_hr_v3": 0.2025,
      "tail_uplift": 0.0001,
      "tail_multiplier": 1.0,
      "framing_component": 1.0,
      "tail_layer_active_flag": 0,
      "game_cluster_flag": 0,
      "high_upside_score": 44.0,
      "board_tier": "",
      "reason_for_inclusion": "Playable base HR rate; Long odds with asymmetric upside; Lower-lineup upside profile"
    },
    {
      "date": "2026-08-28",
      "player_name": "Jorge Polanco",
      "hitter_name": "Jorge Polanco",
      "hitter_id": 593871,
      "team": "NYM",
      "team_abbr": "NYM",
      "opponent": "HOU",
      "opponent_abbr": "HOU",
      "game_id": 823583,
      "lineup_slot": 4,
      "sportsbook": "FanDuel",
      "hr_odds": 495,
      "over_odds": 495,
      "prob_1_plus_hr": 0.1747,
      "expected_home_runs": 0.192,
      "tail_adjusted_prob_1_plus_hr_v3": 0.1749,
      "tail_uplift": 0.0002,
      "tail_multiplier": 1.0,
      "framing_component": 1.0,
      "tail_layer_active_flag": 0,
      "game_cluster_flag": 0,
      "high_upside_score": 40.81,
      "board_tier": "",
      "reason_for_inclusion": "Playable base HR rate; Long odds with asymmetric upside"
    },
    {
      "date": "2026-08-28",
      "player_name": "Mike Yastrzemski",
      "hitter_name": "Mike Yastrzemski",
      "hitter_id": 573262,
      "team": "ATL",
      "team_abbr": "ATL",
      "opponent": "COL",
      "opponent_abbr": "COL",
      "game_id": 824877,
      "lineup_slot": 6,
      "sportsbook": "FanDuel",
      "hr_odds": 615,
      "over_odds": 615,
      "prob_1_plus_hr": 0.1884,
      "expected_home_runs": 0.2088,
      "tail_adjusted_prob_1_plus_hr_v3": 0.1885,
      "tail_uplift": 0.0001,
      "tail_multiplier": 1.0,
      "framing_component": 1.0,
      "tail_layer_active_flag": 0,
      "game_cluster_flag": 0,
      "high_upside_score": 40.52,
      "board_tier": "",
      "reason_for_inclusion": "Playable base HR rate; Long odds with asymmetric upside; Lower-lineup upside profile"
    },
    {
      "date": "2026-08-28",
      "player_name": "Tyler Soderstrom",
      "hitter_name": "Tyler Soderstrom",
      "hitter_id": 691016,
      "team": "ATH",
      "team_abbr": "ATH",
      "opponent": "BAL",
      "opponent_abbr": "BAL",
      "game_id": 824960,
      "lineup_slot": 5,
      "sportsbook": "FanDuel",
      "hr_odds": 585,
      "over_odds": 585,
      "prob_1_plus_hr": 0.1832,
      "expected_home_runs": 0.2023,
      "tail_adjusted_prob_1_plus_hr_v3": 0.1833,
      "tail_uplift": 0.0001,
      "tail_multiplier": 1.0,
      "framing_component": 1.0,
      "tail_layer_active_flag": 0,
      "game_cluster_flag": 0,
      "high_upside_score": 38.96,
      "board_tier": "",
      "reason_for_inclusion": "Playable base HR rate; Long odds with asymmetric upside; Lower-lineup upside profile"
    },
    {
      "date": "2026-08-28",
      "player_name": "Drake Baldwin",
      "hitter_name": "Drake Baldwin",
      "hitter_id": 686948,
      "team": "ATL",
      "team_abbr": "ATL",
      "opponent": "COL",
      "opponent_abbr": "COL",
      "game_id": 824877,
      "lineup_slot": 3,
      "sportsbook": "FanDuel",
      "hr_odds": 530,
      "over_odds": 530,
      "prob_1_plus_hr": 0.1795,
      "expected_home_runs": 0.1978,
      "tail_adjusted_prob_1_plus_hr_v3": 0.1796,
      "tail_uplift": 0.0001,
      "tail_multiplier": 1.0,
      "framing_component": 1.0,
      "tail_layer_active_flag": 0,
      "game_cluster_flag": 0,
      "high_upside_score": 38.45,
      "board_tier": "",
      "reason_for_inclusion": "Playable base HR rate; Long odds with asymmetric upside"
    },
    {
      "date": "2026-08-28",
      "player_name": "Tyler Stephenson",
      "hitter_name": "Tyler Stephenson",
      "hitter_id": 663886,
      "team": "CIN",
      "team_abbr": "CIN",
      "opponent": "CHC",
      "opponent_abbr": "CHC",
      "game_id": 824638,
      "lineup_slot": 5,
      "sportsbook": "DraftKings",
      "hr_odds": 640,
      "over_odds": 640,
      "prob_1_plus_hr": 0.1685,
      "expected_home_runs": 0.1845,
      "tail_adjusted_prob_1_plus_hr_v3": 0.1686,
      "tail_uplift": 0.0001,
      "tail_multiplier": 1.0,
      "framing_component": 1.0,
      "tail_layer_active_flag": 0,
      "game_cluster_flag": 0,
      "high_upside_score": 34.55,
      "board_tier": "",
      "reason_for_inclusion": "Playable base HR rate; Long odds with asymmetric upside; Lower-lineup upside profile"
    },
    {
      "date": "2026-08-28",
      "player_name": "Jonathan Aranda",
      "hitter_name": "Jonathan Aranda",
      "hitter_id": 666018,
      "team": "TB",
      "team_abbr": "TB",
      "opponent": "SD",
      "opponent_abbr": "SD",
      "game_id": 822935,
      "lineup_slot": 3,
      "sportsbook": "DraftKings",
      "hr_odds": 655,
      "over_odds": 655,
      "prob_1_plus_hr": 0.1657,
      "expected_home_runs": 0.1812,
      "tail_adjusted_prob_1_plus_hr_v3": 0.1658,
      "tail_uplift": 0.0001,
      "tail_multiplier": 1.0,
      "framing_component": 1.0,
      "tail_layer_active_flag": 0,
      "game_cluster_flag": 0,
      "high_upside_score": 33.71,
      "board_tier": "",
      "reason_for_inclusion": "Playable base HR rate; Long odds with asymmetric upside"
    }
  ],
  "site_preview": {
    "main_board": [],
    "watchlist": [
      {
        "player_name": "Francisco Lindor",
        "team": "NYM",
        "opponent": "HOU",
        "lineup_slot": 2,
        "hr_odds": 420,
        "prob_1_plus_hr": 0.1944,
        "tail_uplift": 0.0001,
        "high_upside_score": 49.32
      },
      {
        "player_name": "Shea Langeliers",
        "team": "ATH",
        "opponent": "BAL",
        "lineup_slot": 3,
        "hr_odds": 390,
        "prob_1_plus_hr": 0.1913,
        "tail_uplift": 0.0001,
        "high_upside_score": 48.39
      },
      {
        "player_name": "Matt Wallner",
        "team": "MIN",
        "opponent": "CWS",
        "lineup_slot": 2,
        "hr_odds": 405,
        "prob_1_plus_hr": 0.1776,
        "tail_uplift": 0.0001,
        "high_upside_score": 44.28
      },
      {
        "player_name": "Ozzie Albies",
        "team": "ATL",
        "opponent": "COL",
        "lineup_slot": 5,
        "hr_odds": 615,
        "prob_1_plus_hr": 0.2024,
        "tail_uplift": 0.0001,
        "high_upside_score": 44.0
      },
      {
        "player_name": "Jorge Polanco",
        "team": "NYM",
        "opponent": "HOU",
        "lineup_slot": 4,
        "hr_odds": 495,
        "prob_1_plus_hr": 0.1747,
        "tail_uplift": 0.0002,
        "high_upside_score": 40.81
      },
      {
        "player_name": "Mike Yastrzemski",
        "team": "ATL",
        "opponent": "COL",
        "lineup_slot": 6,
        "hr_odds": 615,
        "prob_1_plus_hr": 0.1884,
        "tail_uplift": 0.0001,
        "high_upside_score": 40.52
      },
      {
        "player_name": "Tyler Soderstrom",
        "team": "ATH",
        "opponent": "BAL",
        "lineup_slot": 5,
        "hr_odds": 585,
        "prob_1_plus_hr": 0.1832,
        "tail_uplift": 0.0001,
        "high_upside_score": 38.96
      },
      {
        "player_name": "Drake Baldwin",
        "team": "ATL",
        "opponent": "COL",
        "lineup_slot": 3,
        "hr_odds": 530,
        "prob_1_plus_hr": 0.1795,
        "tail_uplift": 0.0001,
        "high_upside_score": 38.45
      },
      {
        "player_name": "Tyler Stephenson",
        "team": "CIN",
        "opponent": "CHC",
        "lineup_slot": 5,
        "hr_odds": 640,
        "prob_1_plus_hr": 0.1685,
        "tail_uplift": 0.0001,
        "high_upside_score": 34.55
      },
      {
        "player_name": "Jonathan Aranda",
        "team": "TB",
        "opponent": "SD",
        "lineup_slot": 3,
        "hr_odds": 655,
        "prob_1_plus_hr": 0.1657,
        "tail_uplift": 0.0001,
        "high_upside_score": 33.71
      }
    ]
  }
}