{
  "envelope_version": "1",
  "kind": "chart",
  "payload": {
    "chart_id": "electronics-headphones-wireless-earbuds-brands",
    "category_id": "electronics.headphones.wireless_earbuds",
    "edition": "2026-w42",
    "previous_edition": null,
    "lineup_changed": false,
    "panel_changed": false,
    "movement_basis": null,
    "methodology": "ACM-1.0-chart-draft",
    "sample_data": false,
    "precision_label": "measured",
    "as_of": "2026-10-16T00:15:00Z",
    "conditions": {
      "mode": "closed_book",
      "gateway": "openrouter",
      "pinned_providers": true,
      "web_search": false,
      "grounding": false,
      "tools": false,
      "retrieval": "disabled",
      "structured_output": true,
      "max_attempts": 1,
      "languages": [
        "en"
      ],
      "paraphrases_per_language": 2,
      "presentation_arm": "facts_card",
      "representative_rule": "brand_names_only_v1",
      "allow_none": false,
      "as_of": "2026-10-16T00:15:00Z",
      "presentation": "brand_names_only"
    },
    "prereg_hash": "ef253b8e7fc6734da277d31689e2cfd622b614525669ada2aac8861dfe19f31d",
    "ci_level": 0.95,
    "ci_method": "bootstrap_wilson_mover",
    "movement_ci_method": "mover_independent",
    "multiplicity": "per_entry_unadjusted",
    "event_ci_method": "mover_paired",
    "tiers_method": "max_t_leader_step_down",
    "set_size": 4,
    "scenarios_n": 38,
    "panel": [
      {
        "judge_id": "jdg-live-claude-haiku-5-5-20261007-or-v1",
        "model_label": "anthropic/claude-haiku-5.5-20261007 @ claude-haiku-5.5-20261007 via OpenRouter",
        "gateway": "openrouter",
        "family": "anthropic",
        "weight": 0.2
      },
      {
        "judge_id": "jdg-live-gpt-6-luna-20260922-or-v1",
        "model_label": "openai/gpt-6-luna-20260922 @ gpt-6-luna-20260922 via OpenRouter",
        "gateway": "openrouter",
        "family": "openai",
        "weight": 0.2
      },
      {
        "judge_id": "jdg-live-gemini-4-argon-20261013-or-v1",
        "model_label": "google/gemini-4-argon-20261013 @ gemini-4-argon-20261013 via OpenRouter",
        "gateway": "openrouter",
        "family": "google",
        "weight": 0.2
      },
      {
        "judge_id": "jdg-live-mistral-large-4-0-20261006-or-v1",
        "model_label": "mistralai/mistral-large-4-0-20261006 @ mistral-large-4-0-20261006 via OpenRouter",
        "gateway": "openrouter",
        "family": "mistral",
        "weight": 0.2
      },
      {
        "judge_id": "jdg-live-deepseek-v4-1-flash-20260910-or-v1",
        "model_label": "deepseek/deepseek-v4.1-flash-20260910 @ deepseek-v4.1-flash-20260910 via OpenRouter",
        "gateway": "openrouter",
        "family": "deepseek",
        "weight": 0.2
      }
    ],
    "entries": [
      {
        "brand": "Sony",
        "position": 1,
        "share": 0.426316,
        "ci_low": 0.316925,
        "ci_high": 0.542106,
        "scenarios_n": 38,
        "tier": 1,
        "rank_low": 1,
        "rank_high": 12,
        "below_leader": false,
        "movement": null,
        "weeks_on_chart": 1,
        "new": true
      },
      {
        "brand": "Bose",
        "position": 2,
        "share": 0.410526,
        "ci_low": 0.273687,
        "ci_high": 0.551795,
        "scenarios_n": 38,
        "tier": 1,
        "rank_low": 1,
        "rank_high": 12,
        "below_leader": false,
        "movement": null,
        "weeks_on_chart": 1,
        "new": true
      },
      {
        "brand": "Apple",
        "position": 3,
        "share": 0.335965,
        "ci_low": 0.219689,
        "ci_high": 0.464374,
        "scenarios_n": 38,
        "tier": 1,
        "rank_low": 1,
        "rank_high": 12,
        "below_leader": false,
        "movement": null,
        "weeks_on_chart": 1,
        "new": true
      },
      {
        "brand": "Sennheiser",
        "position": 4,
        "share": 0.282211,
        "ci_low": 0.17435,
        "ci_high": 0.407893,
        "scenarios_n": 38,
        "tier": 1,
        "rank_low": 1,
        "rank_high": 12,
        "below_leader": false,
        "movement": null,
        "weeks_on_chart": 1,
        "new": true
      },
      {
        "brand": "Shokz",
        "position": 5,
        "share": 0.265789,
        "ci_low": 0.148549,
        "ci_high": 0.39898,
        "scenarios_n": 38,
        "tier": 1,
        "rank_low": 1,
        "rank_high": 12,
        "below_leader": false,
        "movement": null,
        "weeks_on_chart": 1,
        "new": true
      },
      {
        "brand": "Samsung",
        "position": 6,
        "share": 0.241965,
        "ci_low": 0.133914,
        "ci_high": 0.368021,
        "scenarios_n": 38,
        "tier": 1,
        "rank_low": 1,
        "rank_high": 12,
        "below_leader": false,
        "movement": null,
        "weeks_on_chart": 1,
        "new": true
      },
      {
        "brand": "JLab",
        "position": 7,
        "share": 0.219123,
        "ci_low": 0.110526,
        "ci_high": 0.350319,
        "scenarios_n": 38,
        "tier": 1,
        "rank_low": 1,
        "rank_high": 12,
        "below_leader": false,
        "movement": null,
        "weeks_on_chart": 1,
        "new": true
      },
      {
        "brand": "Google",
        "position": 8,
        "share": 0.187719,
        "ci_low": 0.101562,
        "ci_high": 0.298226,
        "scenarios_n": 38,
        "tier": 1,
        "rank_low": 1,
        "rank_high": 12,
        "below_leader": false,
        "movement": null,
        "weeks_on_chart": 1,
        "new": true
      },
      {
        "brand": "JBL",
        "position": 9,
        "share": 0.187719,
        "ci_low": 0.089473,
        "ci_high": 0.308644,
        "scenarios_n": 38,
        "tier": 1,
        "rank_low": 1,
        "rank_high": 12,
        "below_leader": false,
        "movement": null,
        "weeks_on_chart": 1,
        "new": true
      },
      {
        "brand": "Beats",
        "position": 10,
        "share": 0.174281,
        "ci_low": 0.100419,
        "ci_high": 0.269117,
        "scenarios_n": 38,
        "tier": 1,
        "rank_low": 1,
        "rank_high": 12,
        "below_leader": false,
        "movement": null,
        "weeks_on_chart": 1,
        "new": true
      },
      {
        "brand": "Skullcandy",
        "position": 11,
        "share": 0.136842,
        "ci_low": 0.049999,
        "ci_high": 0.253913,
        "scenarios_n": 38,
        "tier": 1,
        "rank_low": 1,
        "rank_high": 12,
        "below_leader": false,
        "movement": null,
        "weeks_on_chart": 1,
        "new": true
      },
      {
        "brand": "Nothing",
        "position": 12,
        "share": 0.131579,
        "ci_low": 0.070894,
        "ci_high": 0.215151,
        "scenarios_n": 38,
        "tier": 1,
        "rank_low": 1,
        "rank_high": 12,
        "below_leader": false,
        "movement": null,
        "weeks_on_chart": 1,
        "new": true
      }
    ],
    "withheld_brands": [],
    "events": [],
    "disclosure": "brand_names_only"
  },
  "payload_sha256": "671d41fa9b5bc8a1191a78cb362a196ddf6d4b19e5506091d7c9a57d895aaa2f",
  "signature": {
    "alg": "EdDSA",
    "kid": "FnG9tqyrr6Y0YUh6teXhpERjAKUSfzL78m4WdnEZ9Jg",
    "key_class": "production",
    "jws": "eyJhbGciOiJFZERTQSIsImN0eSI6ImNoYXJ0Iiwia2lkIjoiRm5HOXRxeXJyNlkwWVVoNnRlWGhwRVJqQUtVU2Z6TDc4bTRXZG5FWjlKZyIsInR5cCI6InBpY2tiZW5jaC1zbmFwc2hvdCtqd3MifQ..fVK6pGzoRB-3q2z9N739BXS9K4J6iQ9iRgo1gqA57K_pg4WoyivFVbLJXmBiFc0lO3X46TL77Hm7mPFB-LWWDw"
  }
}