Doubt it'd be anytime soon. It seems that they've been focusing a lot more on SUBs for the Preferred - margins are likely better there between people not thinking about a $99 AF as much as a $550 AF at renewal time, and there's fewer hard benefits that cost Chase money.
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When do we think the Chase Sapphire Reserved will have a larger sign-up bonus? | Spyke
Your guess is as good as anyone else's. Chase is always unpredictable when it comes to their SUB time frames.
Doubt it'd be anytime soon. It seems that they've been focusing a lot more on SUBs for the Preferred - margins are likely better there between people not thinking about a $99 AF as much as a $550 AF at renewal time, and there's fewer hard benefits that cost Chase money.