DAILY MARKET BRIEFING 23 OCTOBER 2026
S&P 500 7,623.68 -0.52% NASDAQ 25,955.34 -0.21% DOW 52,215.16 -1.23% RUSSELL 2,775.90 -0.29% FTSE 10,690.40 -0.32% DAX 25,181.65 -0.75% VIX 19.45 +2.21% US 10Y 4.99% +4 bp BTC 81,311.89 -3.21% ETH 2,386.19 -3.42%
U.S. CLOSE EDITION

PSKY leads, LKQ lags — U.S. market close

SharpeIQ Research Desk · data as of 23 Oct 2026 close

A close-to-close read on the latest session across US equity indices, rates, commodities, the semiconductor complex and options volatility, with notable insider filings and headlines.

1 Movers. PSKY led gainers at +41.46%
2 Vol. 4 semis are realizing above implied (HV/IV > 1).
3 Laggards. LKQ led decliners at -22.47%.

1 Global Dashboard

Close-to-close moves across US equity indices, rates and crypto. Front-month contracts: Natural Gas -5.58%; WTI Crude +3.82%; Brent Crude +3.14%.

Index / ContractLast1 Day1 Wk1 MoYTD52-Wk RangeTrend
US EQUITY INDICES
S&P 500 7,623.68 -0.52% -0.47% -1.04% +11.37% 6,343.727,818.93
Nasdaq Composite 25,955.34 -0.21% -0.71% -3.65% +11.67% 20,794.6427,599.79
Dow Jones Industrial 52,215.16 -1.23% +0.41% +1.68% +8.64% 45,166.6454,349.12
Russell 2000 2,775.90 -0.29% +2.00% -2.10% +11.85% 2,305.113,068.42
INTERNATIONAL
FTSE 100 (UK) 10,690.40 -0.32% -1.76% +0.10% +7.64% 9,507.4010,910.60
DAX (Germany) 25,181.65 -0.75% -1.72% -0.34% +2.82% 22,300.7526,569.99
RATES & VOLATILITY
CBOE VIX 19.45 +2.21% -2.70% +24.12% +30.10% 13.4731.05
US 10-Year Yield 4.99% +4 bp -11 bp -17 bp +83 bp 3.96%5.31%
US 30-Year Yield 5.32% +3 bp -12 bp -15 bp +47 bp 4.55%5.67%
US 5-Year Yield 4.80% +4 bp -9 bp -22 bp +108 bp 3.51%5.09%
CRYPTO (24H)
Bitcoin 81,311.89 -3.21% -0.23% -2.68% -7.08% 58,558.86105,996.59
Ethereum 2,386.19 -3.42% -1.39% -11.09% -19.58% 1,564.823,568.46
ENERGY
WTI Crude 103.27 +3.82% +1.83% +9.15% +79.85% 55.27112.95
Brent Crude 116.72 +3.14% +6.24% +9.49% +91.82% 58.92118.35
Natural Gas 2.64 -5.58% -15.28% -19.93% -28.38% 2.527.46
METALS
Gold 4,007.90 -1.29% -4.14% -6.75% -7.68% 3,960.505,318.40
Silver 53.71 -1.92% -5.76% -15.36% -23.42% 47.13115.08
Copper 6.48 +1.78% -0.84% -3.61% +15.03% 4.936.80

Table 1. Close-to-close through 23 Oct. Rate changes in basis points; crypto is 24-hour; commodities are front-month contracts. Trend = trailing two weeks.

2 Semiconductors & Technology

Semiconductor and megacap-tech price action by horizon.

SEMICONDUCTOR COMPLEX — PRICE & VOLATILITY
TickerNameSpot1 Day1 WkYTDATM IVIV %ile30d HVHV/IV
NVDA NVIDIA 210.96 -0.59% -1.48% +13.25% 35% 21st 29% 0.84
AMD Adv. Micro Devices 516.79 +1.74% -2.26% +141.31% 63% 65th 51% 0.81
AVGO Broadcom 321.68 -0.48% -2.15% -6.54% 37% 9th 38% 1.02
AMAT Applied Materials 377.24 +0.44% -7.83% +47.31% 52% 38th 52% 1.02
TXN Texas Instruments 284.69 +1.86% +2.97% +66.86% 50% 85th 29% 0.58
MU Micron 877.55 +2.46% -0.15% +207.65% 50% 4th 49% 0.98
SNDK SanDisk 1,238.03 -1.82% -4.72% +421.54% 70% 10th 56% 0.80
WDC Western Digital 343.67 -2.97% +3.52% +99.64% 68% 28th 69% 1.01
STX Seagate 630.49 -1.81% -1.33% +128.94% 67% 32nd 69% 1.03

Table 2. Price by horizon + at-the-money implied vol (≈30-day, annualized), 52-week IV percentile, trailing 30-session realized vol and HV/IV. HV/IV > 1.0 (highlighted) = realizing more than implied. Memory/storage tickers highlighted.

MEGACAP TECHNOLOGY
TickerNameSpot1 DayYTDTrend
AAPL Apple 347.73 -0.14% +28.26%
MSFT Microsoft 524.51 +0.66% +9.14%
GOOGL Alphabet 320.21 -1.24% +2.50%
AMZN Amazon 248.00 -0.95% +7.44%
META Meta Platforms 642.62 -0.96% -2.47%
TSLA Tesla 372.22 -0.63% -17.23%
NFLX Netflix 65.85 -1.79% -29.77%

Table 3. Same conventions as Table 2 (price only).

IMPLIED VS REALIZED — SEMIS
2020404060608080IV = HV · parityNVDAAMDAVGOAMATTXNMUSNDKWDCSTX Implied volatility (%) 30-day realized vol (%)
Figure 1. Above the dashed parity line = realizing more than options imply. Memory/storage highlighted.

3 Session Movers

The session's largest one-day moves in the liquid optionable universe.

TOP GAINERS
TickerNameLast1 Day
PSKY Skydance Corp 9.78 +41.46%
RHI Robert Half Inc. 45.87 +21.74%
GMAB Genmab A/S 43.79 +9.48%
NTSK Netskope Inc 24.28 +9.37%
VG Venture Global, Inc. 14.00 +9.29%
CART Maplebear Inc. 56.44 +9.21%
TOP LOSERS
TickerNameLast1 Day
LKQ Lkq Corp 17.42 -22.47%
CORT Corcept Therapeutics Inc 85.86 -20.13%
TNGX Tango Therapeutics, Inc. 23.34 -16.43%
WGS Genedx Holdings Corp. 56.15 -16.37%
BE Bloom Energy Corp 193.30 -11.24%
SLM Slm Corp 19.42 -10.75%

Table 4. Largest one-day moves, liquid U.S. optionable universe (known market cap ≥ $2B). Bars scaled within each panel.

4 Options & Implied Volatility

ATM implied-volatility movers and the semiconductor vol board.

ATM IV RISERS
TickerNameATM IVΔ 1 DayIV %ile
MU Micron Technology Inc 50% +2.70% 4th
AMD Advanced Micro Devices Inc 63% +2.69% 65th
NVDA Nvidia Corp 35% +1.59% 21st
ATM IV CRUSH
TickerNameATM IVΔ 1 DayIV %ile
AMAT Applied Materials Inc /De 52% -4.70% 38th
AVGO Broadcom Inc. 37% -3.48% 9th
STX Seagate Technology Holdings Plc 67% -2.06% 32nd
SNDK Sandisk Corp 70% -1.75% 10th
TXN Texas Instruments Inc 50% -0.32% 85th

Table 5. ATM implied-volatility movers across the semiconductor complex — Δ in vol points vs. prior close; percentile over 52 weeks.

5 Insider Filings, Desk Briefing & Week Ahead

Form 4 flow today: 11 buy / 29 sell prints (buy/sell ratio 0.38), led by AAPL, VKI, NMS.

Insider buy/sell ratio today 0.38 parity 1.00
FORM 4 FILINGS
FiledInsider · TitleTickerNameSideSharesValue
10-22 Newstead Jennifer · SVP, GC and Government Affairs AAPL Apple Inc. SELL 2,399 $815K
10-22 BANK OF AMERICA CORP /DE/ · 10% Owner VKI BUY 105 $843
10-22 BANK OF AMERICA CORP /DE/ · 10% Owner VKI SELL 105 $860
10-22 BANK OF AMERICA CORP /DE/ · 10% Owner NMS BUY 18 $184
10-22 BANK OF AMERICA CORP /DE/ · 10% Owner NMS BUY 82 $841
10-22 BANK OF AMERICA CORP /DE/ · 10% Owner NMS SELL 18 $183

Table 6. Notable Form 4 filings; value = reported transaction value.

DESK BRIEFING
• SLM — Sallie Mae reported a GAAP net loss per common share of $0.19 for Q3 2026, driven by provisions and expenses related to record year-over-year originations growth, while Private Education Loan originations grew 15% to $3.4 billion. reported results of operations (SEC 8-K).
• BE — Bloom Energy reported record third quarter 2026 revenue of $1,235.8 million with 138.1% year-over-year growth and raised full year 2026 guidance. reported results of operations (SEC 8-K).
• WDC — Western Digital reported fiscal first quarter 2027 revenue of $4.38 billion, up 55% year-over-year, with GAAP diluted EPS of $4.63 and non-GAAP diluted EPS of $4.64. reported results of operations (SEC 8-K).
THE WEEK AHEAD
WhenEvent
Mon 26 Oct HIG earnings — in 2 days
Mon 26 Oct CX earnings — in 2 days
Mon 26 Oct VZ earnings — in 2 days
Mon 26 Oct WELL earnings — in 2 days
Mon 26 Oct CDNS earnings — in 2 days
Mon 26 Oct NUE earnings — in 2 days
Mon 26 Oct CLS earnings — in 2 days
Mon 26 Oct CINF earnings — in 2 days

Table 7. Upcoming earnings, next three weeks.

For informational purposes only — not investment advice, a recommendation, or an offer to buy or sell any security. Data may contain errors or omissions.

DAILY MARKET BRIEFING sharpeiq.com/research 23 OCTOBER 2026