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Quality's long-short spread stretches to a 94th-percentile month as cybersecurity sinks to a 2nd-percentile one

Wednesday, October 21, 2026 · as emailed at the close · the live view is always on the dashboard

Market snapshot

S&P 5007,757.85+0.6%
VIX16.7-4%
10-year5.13%+1bp
Breadth56%above 50-day · 29% a month ago

In brief

The story

The move. Quality's long-short spread is +2.7% against the S&P over 20 sessions, a z of +2.0 and the 94th percentile of the trailing year, in session 12 of the run. The named contributors account for only 16% of it: PTC +38% and Accenture +32% in the long leg, with Mosaic -27%, Intel -24% and Sandisk -24% in the short leg. By sector, Consumer Cyclical added 1.53pp and Financial Services 1.21pp. Inside the Quality book, Netflix fell 5.3% on the day after reporting EPS of 0.87 against 0.82 expected.

The baskets. Cybersecurity is -9.1% vs the S&P over 20 sessions, the 2nd percentile of the trailing year, with Akamai -24%, Palo Alto Networks -12% and CrowdStrike -9% covering 79% of the move. Optical Interconnect is -5.0% on the week on Coherent -10%, Lumentum -5% and Corning -4%. On the other side, Managed Care is +10.9% over 20 sessions, with Humana +14%, Cigna +13% and Centene +13%; the WSJ wrote that healthcare stocks are rallying and flashing a warning for the rest of the market. Energy is +7.0%, led by Marathon Petroleum +20%.

The pairs. Magnificent Seven and Regional Banks now sit at r=-0.37 on 60-session benchmark-relative daily returns, down 0.35 coefficient points from r=-0.01 in the window ending September 23; the two windows overlap. The 20-session reading is r=-0.56.

The market. The S&P closed at 7,757.85, +0.59%, with the VIX down 3.6% to 16.68 and the 10-year at 5.13%, +1bp. Breadth is 56% above the 50-day, from 29% a month ago, a 20-session change at the 87th percentile since 2020. Twenty-day realized vol is 8.8%, the 6th percentile of the trailing year.

Who did it · 16% of the gain in these names

NameLeg20dContrib
PTC PTC Inc.long+38%+0.39pp
ACN Accenturelong+32%+0.32pp
MOS Mosaic Company (The)short-27%+0.27pp
INTC Intelshort-24%+0.24pp
SNDK Sandisk Corporationshort-24%+0.24pp

By sector: Consumer Cyclical added 1.5pp; Financial Services added 1.2pp; Industrials added 0.9pp.

The board · factors vs S&P 500, relative return with z vs the trailing year, sorted by the week

Factor1D5D20DYTD
S&P 500 (computed) absolute+0.6% +0.6σ+0.5% +0.1σ+0.7% -0.2σ+13.8%
Size-0.5% -0.5σ+2.6% +1.3σ+2.3% +0.7σ-0.4%
Dividend yield-1.1% -1.1σ+1.7% +0.7σ+2.8% +0.7σ+3.1%
Low volatility-0.7% -0.7σ+1.3% +0.6σ+4.0% +1.2σ-5.1%
Value-0.9% -1.0σ+1.2% +0.5σ+1.7% +0.4σ+2.6%
Quality+0.0% +0.0σ-0.3% -0.6σ-0.5% -0.6σ+4.7%
High beta+1.1% +0.8σ-1.6% -0.6σ-6.6% -1.6σ+12.0%
Momentum+0.5% +0.5σ-1.8% -1.0σ-5.0% -1.6σ+13.5%

Also

  • Reported today: ABT met (1.42 vs 1.42); CCI missed (0.67 vs 0.687); CME beat (3.02 vs 2.99) +22
  • Memory & Storage basket -21.4% vs S&P over 20 sessions
  • AI Displacement Risk basket +16.1% vs S&P over 20 sessions
  • Magnificent Seven × Regional Banks: 60-session correlation of daily returns minus the S&P 500 is r=-0.37 (60 paired sessions), versus r=-0.01 (60 paired sessions) for the 60-session period ending 2026-09-23, 20 sessions earlier. Factors use long portfolios.
  • FW 3000: Quality -0.5% (-1.6σ) on the week vs the broad benchmark
  • Nasdaq Futures Higher After Asian AI Rally — WSJ
  • Canadian dollar holds near four-week high as investors stick to rate hike bets — Reuters

Breadth, leadership, revisions, realized vol and the baskets, every day: the dashboard. Explore correlations →. Headlines are quoted from their publishers for context.

Tomorrow · Oct 22

  • Thursday: Initial Jobless Claims (Oct/17), consensus 200K.
  • Thursday: Continuing Jobless Claims (Oct/10), consensus 1720K.
  • Thursday: Jobless Claims 4-Week Average (Oct/17), consensus 200K.
  • Reporting Thursday: PG, UNP, WDC, BX and 24 more.

The narrative in this brief is drafted by an AI model from Factor Watch's computed data and checked against it, but it can still be wrong — verify anything before you act on it.

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