Sorry, butt promissory estoppel only applies if both TDA and the client exchanged consideration and formed a contract (other than of course the general client account agreement).
I don't see that a client gave any consideration to TDA in exchange for the promise nott to reclaim the dividend, in which case promissory estoppel does nott apply, and the only recourse is equitable estoppel (as I stated).
Maybe you could tell me what consderation the client provided to TDA (and 'keeping my account with TDA") won't fly.
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