AUG · ISSUE 33 · August 13, 2026

EVENT · BINARY

The print that decides the session in five minutes

July CPI lands at 08:30 ET. The market arrives at a record with the VIX at 15.5: complacency right before a binary print.

S&P 500

7,753

at all-time high

VIX

15.5

complacency

CORE m/m

+0.22%

expected consensus

THE NUMBER

+0.22%

↑ consensus for monthly core inflation

The risk is asymmetric: oil rose nearly 20% in July and that pass-through to prices hasn't shown up yet. A hot print revives the rate-hike story; a cool one relieves the long end of the curve.

NUMBER

ZOOM IN

+0.22%

+0.22%

core m/m consensus · 2.5% year over year

It looks tiny, but the market stakes weeks of trend on the tenth that separates a cool print from a hot one.

A tenth of a point above or below 0.25% monthly completely changes the market's expected reaction.

m/m
— Month-over-month change, the most recent pace of inflation.
YEAR OVER YEAR
— Change versus the same month a year ago.

QUOTE

AUTHORITY

The market prices the surprise, not the print

“Consensus is already priced. What the market trades in the first second is the surprise: how far the actual print lands from what everyone expected.”
JPM · Market Strategy

Consensus is already in the price. What moves the session is the gap between the actual number and expectations.

PRICED IN
— Already reflected in the price before the data is released.
SURPRISE
— The gap between the actual print and the prior consensus.

TREND

8 MONTHS

Core inflation, pressed near the target

2.0%, FED TARGETJAN · 3.3%JAN · 3.3%TODAY · consensus 2.5%TODAY · consensus 2.5%
JAN '26MAR '26MAY '26JUL '26AUG '26

The trend is cooling, but July's oil pass-through is the wildcard that could break the line.

Eight months of core year-over-year. It's nearing the 2% target, but oil threatens the final stretch.

FED TARGET
— The 2% inflation the Fed pursues over the medium term.
PASS-THROUGH
— The feed of a cost (oil) into the final price you pay.

TWO PATHS

COOL vs HOT

What happens if the print surprises either way

COOL PRINT

Core below 0.20%

  • Relieves the long end: rates ease off.
  • Lowers the odds of a September rate hike.
  • Stocks breathe and the 7,700 support firms up.

HOT PRINT

Core at 0.25-0.30% or more

  • Revives the hike story and pushes the 30Y above 5%.
  • JPM scenario of an S&P 500 drop between 0.5% and 2.5%.
  • Losing 7,700 would open a technical gap down to 7,500.

The same report, two opposite movies depending on where the tenth lands.

LONG END
— The longer-maturity bonds (10 and 30 year), sensitive to inflation.
SUPPORT
— A price level where a decline tends to stall.

SCENARIOS

APPROX ODDS

The market's probability map

GOOD SURPRISE (<0.15%): 7%CENTRAL (0.20-0.25%): 53%BAD SURPRISE (0.25-0.30%): 33%VERY BAD (>0.30%): 7%REACTIONCPI
GOOD SURPRISE (<0.15%)S&P 500 +1 to +2%7%
CENTRAL (0.20-0.25%)S&P 500 +0.25 to +0.75%53%
BAD SURPRISE (0.25-0.30%)S&P 500 -0.5 to -1.25%33%
VERY BAD (>0.30%)S&P 500 -1.5 to -2.5%7%

The central case is benign, but the bad tail weighs more than the good one: that's why the market arrives nervous despite the record.

Approximate split of scenarios and their estimated S&P 500 reaction. They sum to 100 after normalizing.

TAIL
— The extreme scenarios, unlikely but high impact.
NORMALIZE
— Adjust the probabilities so they add up to 100%.

TODAY'S AGENDA

TODAY AND TOMORROW

The sequence that shapes the session

WED 12 AUG · 08:30 ETJULY CPIHighThe starting gun. The reaction shows in futures within a second.
WED 12 AUG · 09:30 ETWALL STREET OPENMediumThe cash session confirms or fades what futures anticipated.
WED 12 AUG · 16:00 ETAI CAPEX EARNINGSMediumAfter the close: a profitability test for AI spending.
THU 13 AUG · 08:30 ETJULY PPIHighA second inflation print in 24h: confirms or denies the CPI.

From the print to the open to earnings: this is how the key hours of the day chain together.

FUTURES
— Contracts that price the index before the market opens.
AMC
— After Market Close: earnings released after the US close.

WRAP

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Daily briefing · Mon-Fri 16:00 ET

CPI
— Consumer Price Index, the data that moves the market most.
SURPRISE
— The gap between the actual print and consensus.

Sources: 📅 12 Aug 2026 · 🏛 JPM scenarios

Editorial content. Not financial advice.

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