As the Ratchet Turns — 2026-07-20
Core thesis: Equity markets exhibit a "ratchet effect"—rallying sharply on any ceasefire hopes while ignoring setbacks—but today's dip-buying lacked fundamental conviction after tech's 3.5% three-day selloff, and initial enthusiasm failed to hold through noon.
Key points:
- Oil futures opened sharply higher on weekend Middle East escalation, then reversed to flat after Iranian mediation news (~2:30 am ET); Houthi Red Sea blockade threat dismissed as less credible than Iran's capability.
- Asian tech-heavy indices (KOSPI, Nikkei 225) fell >4% on Friday's U.S. tech selloff + elevated oil; U.S. index futures opened modestly higher pre-market but failed to recoup losses by midday despite initial dip-buying enthusiasm.
- FTSE 100 down 0.7% amid U.K. political instability (seventh PM in a decade); broader European markets flat.
- Oil traders took both escalation and de-escalation seriously; equity traders applied reflexive "ratchet" logic to Iran's hopeful signals without waiting for base-building or follow-through.
Takeaway: Dip-buying is defensible, but resist chasing nascent rallies without meaningful fundamental catalyst. Today's ceasefire chatter lacked the conviction needed to sustain a reversal; knee-jerk reactions typically fail without proper consolidation.