DAILY MARKET BRIEFING 6 OCTOBER 2026
S&P 500 7,818.93 +0.58% NASDAQ 27,599.79 +0.45% DOW 51,521.28 +0.49% RUSSELL 2,830.30 -0.59% FTSE 10,541.70 +0.42% DAX 25,449.19 +0.77% VIX 15.01 -3.29% US 10Y 5.27% -4 bp BTC 85,273.81 -0.60% ETH 2,693.20 -0.66%
U.S. CLOSE EDITION

OPCH leads, TWST lags — U.S. market close

SharpeIQ Research Desk · data as of 6 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. OPCH led gainers at +32.65%
2 Vol. 2 semis are realizing above implied (HV/IV > 1).
3 Laggards. TWST led decliners at -18.55%.

1 Global Dashboard

Close-to-close moves across US equity indices, rates and crypto. Front-month contracts: Natural Gas +1.57%; Gold +0.73%; Silver +0.49%.

Index / ContractLast1 Day1 Wk1 MoYTD52-Wk RangeTrend
US EQUITY INDICES
S&P 500 7,818.93 +0.58% +1.93% +1.30% +14.22% 6,343.727,818.93
Nasdaq Composite 27,599.79 +0.45% +2.99% +4.12% +18.75% 20,794.6427,599.79
Dow Jones Industrial 51,521.28 +0.49% +0.33% -3.54% +7.19% 45,166.6454,349.12
Russell 2000 2,830.30 -0.59% +0.80% -4.88% +14.04% 2,305.113,068.42
INTERNATIONAL
FTSE 100 (UK) 10,541.70 +0.42% -0.89% -2.59% +6.15% 9,354.6010,910.60
DAX (Germany) 25,449.19 +0.77% +0.20% -2.14% +3.91% 22,300.7526,569.99
RATES & VOLATILITY
CBOE VIX 15.01 -3.29% -6.42% +3.30% +0.40% 13.4731.05
US 10-Year Yield 5.27% -4 bp +1 bp +49 bp +111 bp 3.95%5.31%
US 30-Year Yield 5.64% -2 bp +5 bp +39 bp +80 bp 4.54%5.67%
US 5-Year Yield 5.03% -4 bp -4 bp +48 bp +131 bp 3.51%5.09%
CRYPTO (24H)
Bitcoin 85,273.81 -0.60% +0.50% +12.78% -2.55% 58,558.86114,119.33
Ethereum 2,693.20 -0.66% -0.46% +12.26% -9.23% 1,564.824,120.12
ENERGY
WTI Crude 89.44 +0.01% +0.07% -2.23% +55.76% 55.27112.95
Brent Crude 100.58 +0.26% -1.96% +4.47% +65.29% 58.92118.35
Natural Gas 3.11 +1.57% +3.42% +4.67% -15.52% 2.527.46
METALS
Gold 4,187.10 +0.73% +0.18% -6.47% -3.55% 3,960.505,318.40
Silver 61.17 +0.49% +0.82% -7.39% -12.78% 46.56115.08
Copper 6.59 +0.14% +0.78% -0.04% +17.13% 4.856.80

Table 1. Close-to-close through 6 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 239.24 +0.14% +5.29% +28.44% 29% 1st 38% 1.31
AMD Adv. Micro Devices 649.42 +2.80% +6.89% +203.24% 52% 25th 49% 0.95
AVGO Broadcom 375.81 +3.67% +5.83% +8.98% 36% 6th 34% 0.93
AMAT Applied Materials 530.27 -2.21% +3.57% +106.85% 51% 40th 48% 0.95
TXN Texas Instruments 297.23 +0.79% +5.52% +74.21% 46% 78th 28% 0.60
MU Micron 1,045.56 -1.73% -1.83% +266.55% 46% 1st 45% 0.99
SNDK SanDisk 1,660.46 -2.56% -4.01% +599.49% 62% 0th 64% 1.03
WDC Western Digital 411.04 -6.93% -9.36% +138.78% 67% 23rd 59% 0.87
STX Seagate 805.63 -9.18% -11.80% +192.54% 68% 36th 64% 0.95

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 333.63 +0.22% +23.06%
MSFT Microsoft 529.30 +0.78% +10.14%
GOOGL Alphabet 347.68 +0.35% +11.30%
AMZN Amazon 256.29 +1.95% +11.03%
META Meta Platforms 738.88 -0.41% +12.14%
TSLA Tesla 380.68 +0.51% -15.35%
NFLX Netflix 68.69 +1.76% -26.74%

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

IMPLIED VS REALIZED — SEMIS
202040406060IV = 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
OPCH Option Care Health, Inc. 31.00 +32.65%
CIEN Ciena Corp 443.65 +13.85%
TLN Talen Energy Corp 373.11 +12.43%
CTVA Corteva, Inc. 13.91 +12.27%
CEG Constellation Energy Corp 300.40 +12.25%
VST Vistra Corp. 160.50 +10.77%
TOP LOSERS
TickerNameLast1 Day
TWST Twist Bioscience Corp 166.97 -18.55%
TXG 10X Genomics, Inc. 80.66 -17.47%
TEM Tempus Ai, Inc. 71.98 -13.85%
NEO Neogenomics Inc 16.51 -13.70%
SYRE Spyre Therapeutics, Inc. 80.11 -13.60%
AEHR Aehr Test Systems 92.14 -11.74%

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
AMD Advanced Micro Devices Inc 52% +2.86% 25th
AVGO Broadcom Inc. 36% +0.48% 6th
ATM IV CRUSH
TickerNameATM IVΔ 1 DayIV %ile
STX Seagate Technology Holdings Plc 68% -7.46% 36th
SNDK Sandisk Corp 62% -4.60% 0th
MU Micron Technology Inc 46% -3.33% 1st
TXN Texas Instruments Inc 46% -1.11% 78th
WDC Western Digital Corp 67% -0.95% 23rd

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: 19 buy / 21 sell prints (buy/sell ratio 0.90), led by AAPL.

Insider buy/sell ratio today 0.90 parity 1.00
FORM 4 FILINGS
FiledInsider · TitleTickerNameSideSharesValue
10-05 COOK TIMOTHY D · Director, Executive Chair AAPL Apple Inc. BUY 374,541 —
10-05 COOK TIMOTHY D · Director, Executive Chair AAPL Apple Inc. SELL 199,038 $65.7M
10-05 COOK TIMOTHY D · Director, Executive Chair AAPL Apple Inc. SELL 23,143 $7.7M
10-05 COOK TIMOTHY D · Director, Executive Chair AAPL Apple Inc. SELL 39,492 $13.1M
10-05 COOK TIMOTHY D · Director, Executive Chair AAPL Apple Inc. SELL 88,239 $29.4M
10-05 COOK TIMOTHY D · Director, Executive Chair AAPL Apple Inc. SELL 40,879 $13.7M

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

DESK BRIEFING
No fresh headlines for report names in the window.
THE WEEK AHEAD
WhenEvent
Wed 7 Oct INDU-C.ST earnings — today
Thu 8 Oct PEP earnings — tomorrow
Fri 9 Oct DAL earnings — in 2 days
Tue 13 Oct JPM earnings — in 6 days
Tue 13 Oct GS earnings — in 6 days
Tue 13 Oct WFC earnings — in 6 days
Tue 13 Oct C earnings — in 6 days
Tue 13 Oct JNJ earnings — in 6 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 6 OCTOBER 2026