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Also trades as: 0KSX.L (LSE) · $vol 0M

DGX Dark Pool Activity

Quest Diagnostics Incorporated
1W: +3.4% 1M: +3.2% 3M: +3.0% YTD: +40.4% 1Y: +32.6% 3Y: +105.8% 5Y: +83.1%
$242.56
-0.39 (-0.16%)
After Hours: $231.07 (-11.49, -4.74%)
Weekly Expected Move ±2.8%
$228 $235 $242 $249 $255
NYSE · Healthcare · Medical - Diagnostics & Research · Tech Score Buy · Power 65 · $26.8B mcap · 110M float · 0.932% daily turnover · Short 66% of daily vol
Credit Risk of going bust: lower than 83% of companies Debt: 19.0% of company value Bonds: $173.4M held by 208 funds, 54 bp over Treasuries → details ▾
Of US companies ranked in the safest four tenths, about 1 in 3,500 filed for bankruptcy within a year (2020-2025).
If the stock fell to about $3.08 (down 99%), Quest Diagnostics Incorporated would be worth roughly what it owes.
Total debt $6.29B against a stock market value of $26.82B.
Distance to default 10.60 (Merton model): prices to 2026-10-26, balance sheet 2026-09-30, debt counted $3.24B (short-term plus half of long-term), stock volatility 23.6%; Altman Z'' 4.04. A ranking and a back-test, not a forecast.
Bond figures are fund-reported marks (SEC N-PORT) as of Jul 2026. How these are computed.

Dark Pool Activity

Week of 2026-09-28
1.9M
Weekly Shares
$454M
Notional Value
1.9M
4-Week Avg
▲ +46.6%
4-Week Trend
52,127
Weekly Trades
37
Avg Trade Size

Weekly Dark Pool Volume

Weekly Notional Value

Top Dark Pool Venues

Last 4 weeks
VenueShareShares TradedTradesNotional
UBSA UBS ATS 11.3% 1,024,967 22,953 $243.6M
INCR INTELLIGENT CROSS LLC 10.7% 963,295 29,085 $229.4M
SGMT SIGMA X2 10.0% 899,585 32,906 $213.1M
MLIX INSTINCT X 8.6% 777,845 15,365 $185.7M
CGXS ONECHRONOS 8.3% 752,601 10,504 $178.4M
EBXL LEVEL ATS 7.7% 698,953 30,148 $166.4M
MSTX MS TRAJECTORY CROSS (ATS-1) 7.3% 656,025 48,749 $156.0M
MSPL MS POOL (ATS-4) 7.2% 652,700 3,916 $154.4M
BIDS BIDS ATS 5.4% 490,112 709 $116.0M
LATS THE BARCLAYS ATS 3.3% 299,907 4,150 $71.1M
ITGP POSIT 2.7% 247,336 1,655 $58.1M
JPMX JPM-X 2.5% 222,431 3,500 $52.7M
JPBX JPB-X 2.3% 210,823 5,927 $50.1M
PURE PURESTREAM 2.1% 192,988 10,331 $45.6M
BNPX BNPP CORTEX ATS 1.9% 169,011 5,441 $40.1M

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms