{
  "model_version": "annual-plan-decade-acceleration-v3",
  "year": 2026,
  "scope": "Rb-Z E: roczny wskaźnik szacunkowego przyrostu netto dodawany do ostatniego salda urzędowego",
  "annual_inputs": {
    "planned_borrowing_pln": "150000000.00",
    "planned_principal_repayments_pln": "82417592.00",
    "annual_plan_net_pln": "67582408.00",
    "annual_trend_adjustment_pln": "11577779.11593939393939393939",
    "adjustment_years": "1",
    "annual_growth_pln": "79160187.11593939393939393939",
    "seconds_in_year": "31536000",
    "rate_pln_per_second": "2.510153066842319696200974740",
    "plan_version": "2026-10-01",
    "source_url": "https://bip.czestochowa.pl/attachments/download/136346"
  },
  "decade_trend": {
    "forecast_year": 2026,
    "balance_years": [
      2015,
      2016,
      2017,
      2018,
      2019,
      2020,
      2021,
      2022,
      2023,
      2024,
      2025
    ],
    "annual_changes": [
      {
        "year": 2016,
        "change_pln": "11845.78",
        "source_urls": [
          "https://mf-arch2.mf.gov.pl/c/document_library/get_file?uuid=f3c52ee3-81bb-4a8f-b45a-c69c356847cc&groupId=764034",
          "https://mf-arch2.mf.gov.pl/c/document_library/get_file?uuid=def7eaa7-a63a-4a6a-86d0-22fb7345d667&groupId=764034"
        ]
      },
      {
        "year": 2017,
        "change_pln": "10423225.58",
        "source_urls": [
          "https://mf-arch2.mf.gov.pl/c/document_library/get_file?uuid=def7eaa7-a63a-4a6a-86d0-22fb7345d667&groupId=764034",
          "https://mf-arch2.mf.gov.pl/c/document_library/get_file?uuid=d15cad4e-6303-404a-86ec-0802d9886c05&groupId=764034"
        ]
      },
      {
        "year": 2018,
        "change_pln": "35323934.13",
        "source_urls": [
          "https://mf-arch2.mf.gov.pl/c/document_library/get_file?uuid=d15cad4e-6303-404a-86ec-0802d9886c05&groupId=764034",
          "https://www.gov.pl/attachment/2086813a-1dcd-4127-aa98-c302a475f887"
        ]
      },
      {
        "year": 2019,
        "change_pln": "55068415.46",
        "source_urls": [
          "https://www.gov.pl/attachment/2086813a-1dcd-4127-aa98-c302a475f887",
          "https://www.gov.pl/attachment/fed44c9a-9e86-4693-aef9-136dddb08d24"
        ]
      },
      {
        "year": 2020,
        "change_pln": "67922819.20",
        "source_urls": [
          "https://www.gov.pl/attachment/fed44c9a-9e86-4693-aef9-136dddb08d24",
          "https://www.gov.pl/attachment/7b55c935-d594-4a2d-8220-e518d4735deb"
        ]
      },
      {
        "year": 2021,
        "change_pln": "-10967505.93",
        "source_urls": [
          "https://www.gov.pl/attachment/7b55c935-d594-4a2d-8220-e518d4735deb",
          "https://www.gov.pl/attachment/59c58ce0-9331-4b2f-bf6a-51069896f492"
        ]
      },
      {
        "year": 2022,
        "change_pln": "43890100.53",
        "source_urls": [
          "https://www.gov.pl/attachment/59c58ce0-9331-4b2f-bf6a-51069896f492",
          "https://www.gov.pl/attachment/79ca77c3-3050-4101-b2ea-d9cd91f14b99"
        ]
      },
      {
        "year": 2023,
        "change_pln": "275484165.75",
        "source_urls": [
          "https://www.gov.pl/attachment/79ca77c3-3050-4101-b2ea-d9cd91f14b99",
          "https://www.gov.pl/attachment/b388c695-3bcb-4943-a49e-880e65a88920"
        ]
      },
      {
        "year": 2024,
        "change_pln": "35714243.39",
        "source_urls": [
          "https://www.gov.pl/attachment/b388c695-3bcb-4943-a49e-880e65a88920",
          "https://www.gov.pl/attachment/1ad7979c-8b1b-4026-8208-7764e42da3a1"
        ]
      },
      {
        "year": 2025,
        "change_pln": "71669683.70",
        "source_urls": [
          "https://www.gov.pl/attachment/1ad7979c-8b1b-4026-8208-7764e42da3a1",
          "https://www.gov.pl/attachment/7ed5e4aa-50a5-46f7-a32e-337675319a8b"
        ]
      }
    ],
    "mean_year": "2020.5",
    "mean_annual_change_pln": "58454092.759",
    "slope_pln_per_year_squared": "11577779.11593939393939393939",
    "ols_numerator": "955166777.0650",
    "ols_denominator": "82.50",
    "normalization": "Dziesięć rocznych przyrostów, równa waga każdego roku; OLS na wycentrowanych latach."
  },
  "current_estimate": {
    "as_of": "2026-10-11T00:00:00+02:00",
    "anchor_as_of": "2026-06-30",
    "anchor_timestamp": "2026-06-30T22:00:00+00:00",
    "anchor_pln": "995199272.94",
    "source_url": "https://www.gov.pl/attachment/71e51c67-5dc9-404e-9dc0-bc90c8e19519",
    "value_pln": "1017320749.89",
    "change_since_anchor_pln": "22121476.95",
    "elapsed_seconds": "8812800",
    "rate_pln_per_second": "2.510153066842319696200974740",
    "budget_only_value_pln": "1014085315.72",
    "trend_contribution_since_anchor_pln": "3235434.16"
  },
  "horizon_end": "2027-01-01T00:00:00+01:00",
  "schedule": [
    {
      "at": "2026-07-01",
      "value_pln": "995199272.94",
      "status": "estimated"
    },
    {
      "at": "2026-08-01",
      "value_pln": "1001922466.91",
      "status": "estimated"
    },
    {
      "at": "2026-09-01",
      "value_pln": "1008645660.89",
      "status": "estimated"
    },
    {
      "at": "2026-10-01",
      "value_pln": "1015151977.64",
      "status": "estimated"
    },
    {
      "at": "2026-10-11",
      "value_pln": "1017320749.89",
      "status": "estimated"
    },
    {
      "at": "2026-11-01",
      "value_pln": "1021884208.16",
      "status": "estimated"
    },
    {
      "at": "2026-12-01",
      "value_pln": "1028390524.91",
      "status": "estimated"
    },
    {
      "at": "2027-01-01",
      "value_pln": "1035113718.89",
      "status": "frozen"
    }
  ],
  "year_end_comparison": {
    "annual_counter_pln": "1035113718.89",
    "official_wpf_debt_target_pln": "1103959232.00",
    "wpf_plus_last_overdue_proxy_pln": "1103990476.34",
    "difference_to_wpf_proxy_pln": "-68876757.45",
    "note": "Roczny wskaźnik jest dodawany od daty aktualnego salda; nie dopasowuje tempa do pozostałego okresu ani do celu WPF."
  },
  "assumptions": [
    "Jedna stawka roczna; brak sezonowości lub zmiany na przełomie kwartałów",
    "Korekta trendu: historyczne przyspieszenie razy jeden rok",
    "Plan na 2026 jest bazą; dodanie korekty trendu jest jawnym wyborem scenariusza i może nakładać się na oczekiwania uwzględnione już w planie",
    "Cała dekada zachowana, bez usuwania 2023; OLS jest wrażliwy na nietypowe lata",
    "Nowy odczyt urzędowy zastępuje bazę i zeruje przyrost liczony od bazy"
  ],
  "validation": {
    "state": "calculation_verified_forecast_not_backtested",
    "note": "Weryfikacja rachunku i semantyki czasu, nie potwierdzenie trafności prognozy. Dostępna dekada umożliwia profil 2026, ale nie test wcześniejszych lat na pełnych poprzednich dekadach. Wynik 52,60% z v2 nie dotyczy v3."
  }
}
