{"success":true,"comparison":"citi-diamond-preferred-vs-u-s-bank-shield","summary":{"updatedAt":"2026-07-27T14:59:19.332Z","generatedAt":"2026-07-27T14:59:19.332Z","lastVerifiedAt":null,"entityType":"card_comparison","entityName":"Citi Diamond Preferred vs U.S. BANK SHIELD","pageUrl":"https://cardcurator.ai/compare/citi-diamond-preferred-vs-u-s-bank-shield","canonicalUrl":"https://cardcurator.ai/compare/citi-diamond-preferred-vs-u-s-bank-shield","jsonUrl":"https://cardcurator.ai/api/public/compare/citi-diamond-preferred-vs-u-s-bank-shield/summary","methodologyUrl":"https://cardcurator.ai/how-we-rank-cards","dataSourcesUrl":"https://cardcurator.ai/data-sources","sourceUrls":["https://cardcurator.ai/compare/citi-diamond-preferred-vs-u-s-bank-shield","https://cardcurator.ai/api/public/compare/citi-diamond-preferred-vs-u-s-bank-shield/summary","https://cardcurator.ai/card/citi-diamond-preferred","https://cardcurator.ai/card/u-s-bank-shield","https://cardcurator.ai/how-we-rank-cards","https://cardcurator.ai/data-sources"],"dataVersion":"public-citation-v1","shareTitle":"Citi Diamond Preferred vs U.S. BANK SHIELD","shareText":"The U.S. BANK SHIELD edges out the Citi Diamond Preferred for most cardholders — it wins on 2 of 4 comparison categories and offers no current bonus, with a higher top earn rate (4x vs 1x). On raw upside, U.S. BANK SHIELD tops out at 4x versus 1x for Citi Diamond Preferred. Current signup bonus values are roughly $0 for Citi Diamond Preferred and $0 for U.S. BANK SHIELD. Summary generated July 27, 2026. Source: https://cardcurator.ai/compare/citi-diamond-preferred-vs-u-s-bank-shield","evidenceBullets":["U.S. BANK SHIELD wins 2 of 4 comparison categories in CardCurator's quick verdict model.","Top earn rate: U.S. BANK SHIELD reaches 4x; Citi Diamond Preferred reaches 1x.","Annual fee: U.S. BANK SHIELD is no annual fee; Citi Diamond Preferred is no annual fee.","Current public bonus values are approximately $0 and $0."],"winner":{"name":"U.S. BANK SHIELD","slug":"u-s-bank-shield","score":2,"maxEarnRate":4,"annualFee":0},"loser":{"name":"Citi Diamond Preferred","slug":"citi-diamond-preferred","score":0,"maxEarnRate":1,"annualFee":0}}}