"Three months later [...] But the prompt history? Deleted. The original instruction? The analyst’s word against the logs."

One, the analysts word does not override the logs, that's the point of logs. Two, it's fairly clear the author of the fine article has never worked close to finance. A three month retention period for AI queries by an analyst is not an option.

SEC Rule 17a-4 & FINRA Rule 4511 have entered the chat.