{"slug":"day-one","contract":"A price is an observation on a day, not a fact that gets replaced. An average is only returned when there are enough observations over a long enough span; otherwise the reason is given instead of a number. A starting price (\"from\") never founds a discount claim.","lines":[{"kind":"list","plan":"Gold","period":"year","condition":null,"currency":"USD","retailer":null,"current":{"betrag":74.99,"waehrung":"USD","beobachtet_am":"2026-09-02","stand":"verified","ist_untergrenze":false,"quelle":"https://dayoneapp.com/plans/"},"observations":1,"observed_from":"2026-09-02","observed_to":"2026-09-02","lowest":null,"highest":null,"history_note":"Only 1 price observation recorded; 4 are needed before we state a historical low","volatility":null,"windows":{"30":{"breite":30,"schnitt":null,"beobachtungen":1,"belastbar":false,"grund":"1 of at least 4 observations"},"90":{"breite":90,"schnitt":null,"beobachtungen":1,"belastbar":false,"grund":"1 of at least 4 observations"},"365":{"breite":365,"schnitt":null,"beobachtungen":1,"belastbar":false,"grund":"1 of at least 4 observations"}},"assessment":{"stated":false,"level":null,"label":"Not enough price history","deviation":null,"baseline_window":null,"baseline":null,"sentence":"We cannot rate this price yet. No window has enough price history yet. 90-day: 1 of at least 4 observations; 30-day: 1 of at least 4 observations; 365-day: 1 of at least 4 observations","reason_not_stated":"No window has enough price history yet. 90-day: 1 of at least 4 observations; 30-day: 1 of at least 4 observations; 365-day: 1 of at least 4 observations"}},{"kind":"list","plan":"Silver","period":"year","condition":null,"currency":"USD","retailer":null,"current":{"betrag":49.99,"waehrung":"USD","beobachtet_am":"2026-09-02","stand":"verified","ist_untergrenze":false,"quelle":"https://dayoneapp.com/plans/"},"observations":1,"observed_from":"2026-09-02","observed_to":"2026-09-02","lowest":null,"highest":null,"history_note":"Only 1 price observation recorded; 4 are needed before we state a historical low","volatility":null,"windows":{"30":{"breite":30,"schnitt":null,"beobachtungen":1,"belastbar":false,"grund":"1 of at least 4 observations"},"90":{"breite":90,"schnitt":null,"beobachtungen":1,"belastbar":false,"grund":"1 of at least 4 observations"},"365":{"breite":365,"schnitt":null,"beobachtungen":1,"belastbar":false,"grund":"1 of at least 4 observations"}},"assessment":{"stated":false,"level":null,"label":"Not enough price history","deviation":null,"baseline_window":null,"baseline":null,"sentence":"We cannot rate this price yet. No window has enough price history yet. 90-day: 1 of at least 4 observations; 30-day: 1 of at least 4 observations; 365-day: 1 of at least 4 observations","reason_not_stated":"No window has enough price history yet. 90-day: 1 of at least 4 observations; 30-day: 1 of at least 4 observations; 365-day: 1 of at least 4 observations"}},{"kind":"list","plan":"Basic","period":"year","condition":null,"currency":"USD","retailer":null,"current":{"betrag":0,"waehrung":"USD","beobachtet_am":"2026-09-02","stand":"verified","ist_untergrenze":false,"quelle":"https://dayoneapp.com/plans/"},"observations":1,"observed_from":"2026-09-02","observed_to":"2026-09-02","lowest":null,"highest":null,"history_note":"Only 1 price observation recorded; 4 are needed before we state a historical low","volatility":null,"windows":{"30":{"breite":30,"schnitt":null,"beobachtungen":1,"belastbar":false,"grund":"1 of at least 4 observations"},"90":{"breite":90,"schnitt":null,"beobachtungen":1,"belastbar":false,"grund":"1 of at least 4 observations"},"365":{"breite":365,"schnitt":null,"beobachtungen":1,"belastbar":false,"grund":"1 of at least 4 observations"}},"assessment":{"stated":false,"level":null,"label":"Not enough price history","deviation":null,"baseline_window":null,"baseline":null,"sentence":"We cannot rate this price yet. No window has enough price history yet. 90-day: 1 of at least 4 observations; 30-day: 1 of at least 4 observations; 365-day: 1 of at least 4 observations","reason_not_stated":"No window has enough price history yet. 90-day: 1 of at least 4 observations; 30-day: 1 of at least 4 observations; 365-day: 1 of at least 4 observations"}}]}