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We could associate the impact of a given corporate action on the adjusted price, including the impact on the current stock price as well as on the set of historical adjusted stock prices. The formula would only be related to the impact of the corporate action on the price, not a calculated price for all possible corporate actions on a given security going back to issuance.
Before we tackle adjusted price, we agreed to look at improving the efficiency of representing a security price more generally, for which there is an open issue, and then after that is done, address adjusted price.