{"data":{"id":"purchasing-power","seriesId":"finwire_purchasing_power_barometer","ref":"/v1/index/purchasing-power","title":"Barometr siły nabywczej złotówki","value":670,"unit":"zł","valueFormat":"pln","gauge":35,"gaugeBand":"b2","gaugeLabel":"Gorzej niż w 65% miesięcy od 2015 r.","deltaMom":2,"deltaMomPct":0.3,"direction":"up","goodWhenHigh":true,"asOf":"2026-10-01","history":{"since":"2015-01","current":3.5,"best":{"month":"2015-02","value":-1.6},"worst":{"month":"2023-02","value":18.4},"betterThanPct":35},"pageUrl":"https://finwire.pl/barometr-sily-nabywczej-zlotowki","delta":{"mom":2,"momPct":0.3,"yoy":-23,"yoyPct":-3.32},"seriesLabel":"Wartość 1000 zł z listopada 2020 w kolejnych miesiącach","seriesUnit":"zł","series":[{"month":"2020-11","value":1000},{"month":"2020-12","value":999},{"month":"2021-01","value":986},{"month":"2021-02","value":981},{"month":"2021-03","value":972},{"month":"2021-04","value":964},{"month":"2021-05","value":961},{"month":"2021-06","value":960},{"month":"2021-07","value":956},{"month":"2021-08","value":953},{"month":"2021-09","value":947},{"month":"2021-10","value":936},{"month":"2021-11","value":927},{"month":"2021-12","value":919},{"month":"2022-01","value":902},{"month":"2022-02","value":904},{"month":"2022-03","value":876},{"month":"2022-04","value":858},{"month":"2022-05","value":844},{"month":"2022-06","value":832},{"month":"2022-07","value":827},{"month":"2022-08","value":821},{"month":"2022-09","value":808},{"month":"2022-10","value":794},{"month":"2022-11","value":788},{"month":"2022-12","value":787},{"month":"2023-01","value":768},{"month":"2023-02","value":759},{"month":"2023-03","value":751},{"month":"2023-04","value":746},{"month":"2023-05","value":746},{"month":"2023-06","value":746},{"month":"2023-07","value":747},{"month":"2023-08","value":747},{"month":"2023-09","value":750},{"month":"2023-10","value":748},{"month":"2023-11","value":743},{"month":"2023-12","value":742},{"month":"2024-01","value":739},{"month":"2024-02","value":737},{"month":"2024-03","value":735},{"month":"2024-04","value":727},{"month":"2024-05","value":726},{"month":"2024-06","value":726},{"month":"2024-07","value":716},{"month":"2024-08","value":715},{"month":"2024-09","value":714},{"month":"2024-10","value":712},{"month":"2024-11","value":709},{"month":"2024-12","value":709},{"month":"2025-01","value":702},{"month":"2025-02","value":700},{"month":"2025-03","value":698},{"month":"2025-04","value":695},{"month":"2025-05","value":697},{"month":"2025-06","value":696},{"month":"2025-07","value":694},{"month":"2025-08","value":694},{"month":"2025-09","value":694},{"month":"2025-10","value":693},{"month":"2025-11","value":693},{"month":"2025-12","value":693},{"month":"2026-01","value":688},{"month":"2026-02","value":686},{"month":"2026-03","value":678},{"month":"2026-04","value":674},{"month":"2026-05","value":676},{"month":"2026-06","value":680},{"month":"2026-07","value":674},{"month":"2026-08","value":672},{"month":"2026-09","value":668},{"month":"2026-10","value":670}],"methodology":[{"term":"Punkt startu","definition":"1000 zł w listopadzie 2020 = 1000 zł (baza)"},{"term":"Poziom cen","definition":"narastający iloczyn miesięcznych wskaźników inflacji CPI z GUS"},{"term":"Fallback","definition":"dla miesięcy bez wskaźnika m/m rozkładamy roczny wskaźnik (yoy) równomiernie na miesiące - czynnik miesięczny = (1 + yoy/100)^(1/12)"},{"term":"Wartość dziś","definition":"1000 zł podzielone przez skumulowany wzrost cen od miesiąca bazowego"},{"term":"Założenie","definition":"gotówka leży bez oprocentowania - indeks pokazuje czystą erozję inflacyjną, bez wpływu lokat ani inwestycji"},{"term":"Pozycja w historii","definition":"bieżący odczyt porównujemy z każdym miesiącem od stycznia 2015 policzonym tym samym modelem: podajemy najlepszy i najgorszy miesiąc, odsetek miesięcy z gorszym wynikiem oraz od kiedy nie było tak dobrze (albo tak źle)"},{"term":"Identyfikator","definition":"finwire_purchasing_power_barometer (wersja metody 2)"}],"source":"finwire.pl - inflacja CPI (GUS, stat.gov.pl)"},"meta":{"datasetId":"purchasing-power","source":"finwire.pl (CPI GUS)","sourceUrl":"https://finwire.pl/barometr-sily-nabywczej-zlotowki","license":"finwire.pl indicator (CC BY 4.0). Source data: GUS.","asOf":"2026-10-01","fetchedAt":"2026-11-07T01:56:15.352Z","citation":"Source: finwire.pl (finwire.pl (CPI GUS)), https://public-api.finwire.pl/datasets/purchasing-power","docsUrl":"https://public-api.finwire.pl/datasets/purchasing-power"}}