Senator Wyden's (D-OR) letter to Treasury Secretary Bessent and IRS CEO Frank Bisignano suggested, "as an interim step," that tax-aware long/short strategies should be identified as listed transactions, and that the straddle rules should apply.
Get up to speed on long/short strategies.
Most people haven't heard of the straddle rules, but assuming they applied, at least some tax losses would be deferred. Said another way, and this is not exactly correct, but imagine some harvested losses tripped the wash sale rule.
Philosophically, the straddle rules essentially say, you can't have your cake and eat it too: tax benefits emerge from risk-taking, and without risk, there shouldn't be tax benefits.
Much of the debate about whether the straddle rules apply (see this recent Bloomberg article, for instance) comes down to whether something actually hedges something else.
I'm not a tax attorney, and investors should consult with one before making any investment decisions, however my current read, which could change pending further investigation, is that a tax-aware long/short overlay of non-overlapping positions is unlikely to be treated as one large straddle, though individual pairs of stocks could be straddles.
Let's dig in...