Industry unsure of SEC’s new short-selling transparency rule
Does the SEC’s recent 10C-1a rule provide sufficient transparency while protecting traders’ short-sale positions from a GameStop-style backlash? The data will be key.

At some point in the next two years, market participants that engage in securities lending will need to begin reporting their transactions to the US Securities and Exchange Commission with a wealth of additional information designed to create greater transparency around stock loans and short selling.
But they won’t need to report everything the SEC originally proposed.
Under the rule, 10C-1a, which the SEC finalized last month, a lender or intermediary will need to report three types of core
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