The author expects WTI crude to join Brent and trade above $100 within a day or two. The stated catalyst is the continuation of the Iran war into the US midterms, which the author frames as a geopolitical risk that could keep oil elevated. The main stated risk is that political de-escalation ('mango tacos' reversing his anti-taco stance) could undercut the move. Horizon is very short (today or tomorrow).
The author argues that with yields and oil rising sharply, SPY should be down about 2%, yet it is barely red because everyone is betting on a 'TACO' (a policy reversal/backdown) that likely won't come. The mechanism is that complacent positioning on an expected policy pivot leaves the index vulnerable if that pivot fails to materialize. No specific timeframe or risk beyond the TACO assumption is given.