Nikkei did follow the US bounce. USD/JPY held below the 161 intervention level (we cited 160.59 actual vs our 160.80 watch line). The broader risk-on bid materialised but not uniformly — BTC and energy conspicuously absent. Correct in direction, correct on the Nikkei vector, incomplete on breadth.

The US session delivered a narrow tech-only rally. XLK +2.78% vs XLE -1.98% is precisely the sector split we identified. BTC stayed lagged as called. The Gold flat call was wrong — Gold fell 2.72% in a more aggressive risk-on rotation than we expected. The base case framework held; the magnitude of the commodities unwind exceeded our projection.

USD/JPY ended at 161.76 — that is above our 161.00 intervention tripwire, which is notable. The fact that no intervention occurred suggests Japanese authorities are choosing to tolerate current yen weakness rather than burn reserves. The tripwire level now shifts upward. Watch 162.50 as the next threshold tonight.

JD Vance has postponed his Switzerland trip for direct US-Iran talks. This is a non-trivial overnight development. Markets spent the last two weeks pricing an Iran nuclear deal as largely done — the formal signing reduced the geopolitical risk premium and was a key catalyst for Thursday’s energy sector decline (XLE -1.98%, Crude -1.51%).

A postponement does not mean a deal collapse, but it reintroduces uncertainty. The energy sector, which has been the structural short in this narrative, could see a partial reversal of that positioning tonight. Crude at $75.63 has a read-through: if talks stall, $77–78 is the first target. Watch overnight energy futures for the first price reaction to this news.

Thursday’s BOE dovish hold crushed Cable by 1.72% to 1.3196. The BOE signalled it is comfortable cutting, which is read as a negative relative to the Fed’s hawkish hold. That divergence drives the GBP/USD weaker. For Asia, the Cable move has limited direct transmission — it is predominantly a London session instrument.

What it does signal for Asia: the global central bank backdrop is increasingly divergent. BOE cutting, Fed holding, BOJ at intervention risk. That mix is dollar-supportive and creates friction for EM currencies that need a weaker dollar to run. The DXY at 100.84 is the single biggest headwind for a clean global risk-on session tonight.

BofA data: the top 10 stocks now represent one third of the entire S&P 500 index weight. This is a structural concentration risk that affects how OpEx mechanics play out. The gamma exposure on a handful of mega-cap names (NVDA, AAPL, MSFT, TSLA, AMZN) is not diversified — it is concentrated. When those names face max pain levels on Friday, the whole index moves with them.

US margin debt at record $1.42 trillion (+$495B in 12 months) is the macro backdrop to this concentration. Leverage is up. Concentration is up. OpEx expiry creates forced deleveraging pressure. None of this means Friday is a selloff — but it does mean that when moves happen, they will be larger than VIX at 16.73 implies.

What it looks like: NAS100 futures hold above 30,300 into Asia open. Nikkei opens +0.8–1.5%, USD/JPY holds below 162.50 without intervention. Japan CPI is in-line or below expectations (no BOJ surprise). Hang Seng manages a modest lift on PBOC maintaining stability. BTC begins to close the divergence gap, breaking back toward $64,000. Gold stabilises around $4,220–4,240.

What confirms it: Nikkei +1% in the first hour, USD/JPY holding below 162.00, crude futures stable or slightly positive (Iran talks postponed but no escalation). This sets London up with a positive hand to play ahead of US OpEx open.

What it looks like: Asia indices open positively but fail to sustain gains. NAS100 futures oscillate 30,200–30,450. Nikkei grinds flat to slightly positive. The Iran postponement creates a bid in crude that capped risk-on impulse. BTC stays around $62,000–63,000, neither confirming nor denying. Markets await the US open for the OpEx resolution.

Why this is the base case: OpEx sessions have mechanical pinning pressure. Asia’s job overnight is to consolidate, not extend. The Vance postponement introduces just enough uncertainty to prevent a clean bull trend. This is the holding-pattern scenario — the real move comes after 09:30 NY when the expiry flow starts.

What it looks like: Japan CPI prints hot (above 2.8% core), yen strengthens sharply on BOJ re-pricing, OR BOJ/MoF issues verbal intervention as USD/JPY approaches 162.50. Nikkei gaps down 1.5–2.5% on yen strengthening into the open. Carry trades unwind. Hang Seng and ASX see sympathy selling. Gold catches a safe-haven bid back above $4,280.

Key trigger: Japan CPI at 00:30 BST is the catalyst. Any official Japanese government FX commentary in Tokyo hours is the intervention signal. If this scenario plays, it creates a sharp reset buy opportunity for NAS100 futures if the yen shock is the only driver.

What it looks like: The Vance postponement is followed by language that signals a genuine deterioration in Iran talks — not just scheduling. Crude spikes above $79. Gold rebounds toward $4,300. Safe-haven flows out of equities. NAS100 futures drop 300–400 points into the Asia session. VIX spikes toward 19–20.

Context: This is the low-probability tail but it is not negligible. The Iran deal was the single biggest positive catalyst in the 5-day arc. If it unravels, the arc reverses. Monitor Vance and Iran foreign ministry statements in overnight hours. A joint statement or denial from either side changes the probability distribution quickly.