Deposit betas kept rising after March 2023, but the run did not change their path
The 2023 runs redistributed deposits towards the largest banks and exposed a pricing gap that already existed; they did not reprice the system.
Any question about the 2023 banking crisis, deposit flight or the funding advantage of the largest banks.
From Deposits and the March 2023 Banking Crisis–A Retrospective · Stephan Luck and Matthew Plosser, Federal Reserve Bank of New York (Liberty Street Economics)