OCT · ISSUE 43 · October 19, 2026
AGENDAThe week AI gets put to the test
Four megacaps report in three days. The market walks in on edge, right after its worst week since June.
NETFLIX
TUE 20
after the US close
META
WED 21
moves ±8-11%
TESLA
WED 21
after the US close
THE NUMBER
±8-11%
how much Meta typically moves on earnings day
Over its last five quarters Meta moved -9.2%, -8.9%, +9.7%, -11.3% and +10.5% on report day. It is among the biggest contributors to the index's earnings growth: binary for tech sentiment.
DATA
THE MOVE±8-11%
±8-11%
▲▼ Meta's typical move on earnings day
A single night can erase or add weeks of price action. That is why earnings season rattles the market.
That is the range Meta has moved on report day across its last five quarters. In a single session, in either direction.
- BINARY
- — A two-sided outcome: the stock jumps up or down, with little middle ground.
- VOLATILITY
- — The size of price swings. It rises around earnings.
READ
RULEBeating consensus isn't the hard part
“The market doesn't buy today's profit: it buys tomorrow's guidance. That is how a company beats and still falls.”
Expected profit is already in the price. What still needs pricing is the guidance for next quarter.
- CONSENSUS
- — The average of what analysts expect the company to earn.
- GUIDANCE
- — The company's own forecast for its coming quarters.
TRACK RECORD
5 QUARTERSHow Meta reacted on its last earnings days
Five quarters, five double-digit moves or close to it. Wednesday's test won't be the exception.
The report-day move, quarter by quarter. Large in both directions: it is never a quiet print.
- Q-1
- — The most recent prior quarter. Q-5 is five quarters ago.
- DOUBLE DIGIT
- — A move of 10% or more in a single session.
WHAT THE MARKET WATCHES
PRICED vs FUTUREWhat is already in the price, and what isn't
ALREADY PRICED IN
This quarter's profit
- Expected profit is in the price weeks ahead of the report.
- Beating consensus by a little almost never moves the stock.
- If it merely meets expectations, the reaction is often flat or negative.
STILL TO BE PRICED
What it says about the future
- Next quarter's guidance: this is where the real surprise lives.
- AI spending: how much it will invest and whether that eats into margin.
- Management's tone: confidence or caution sets the day.
Getting this right avoids the classic mistake: cheering a beat and watching the stock drop.
- BEAT
- — Beating consensus: earning more than analysts expected.
- MARGIN
- — The profit left on each dollar of sales. AI spending squeezes it.
EXAMPLE
WEIGHT IN EPSWho really drives the index's earnings
The biggest driver of index EPS
Reports Wednesday
Memory, at the heart of the AI cycle
Custom chips for the cloud
Illustrative relative weights. The point: when they weigh this much, their guidance sets the mood for the whole index.
Illustrative split: a handful of names supply most of the S&P's earnings growth this season.
- EPS GROWTH
- — How much earnings per share rise versus a year earlier.
- INDEX
- — Here, the S&P 500: 500 companies, but a few carry enormous weight.
CALENDAR
THIS WEEKThe dates that define the tech week
| TUE OCT 20 · AMC · 16:00 ET | NETFLIX EARNINGS | Medium | A read on consumer and content spend. First big name of the week. |
| WED OCT 21 · AMC · 16:00 ET | META EARNINGS | High | The big tech binary: it tends to move ±8-11%. AI spending guidance is key. |
| WED OCT 21 · AMC · 16:00 ET | TESLA EARNINGS | High | Moves the whole growth sector's mood, even reporting the same day. |
| THU OCT 22 · US session | EARNINGS DIGESTION | Medium | The market reacts to Meta and Tesla. Here is where you see if the bounce holds. |
| WED OCT 28 · next week | FED MEETING (FOMC) | High | In the background: the market prices a restrictive lean, with a possible December hike. |
Three nights of earnings and, in the background, next week's Fed meeting. Each one can bend the trend.
- FOMC
- — The Federal Reserve committee that sets US interest rates.
- SPENDING GUIDANCE
- — How much the company says it will invest; in AI, the most-watched figure.
WRAP
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- EARNINGS SEASON
- — The weeks when companies report their results, four times a year.
- AMC
- — After Market Close: release after the US close (16:00 ET).