DGX · Quest Diagnostics Inc

Track DGX — free Ask ALVIS about DGX

$238.50 +2.66 (+1.13%) At close · Aug 6

Market Cap

$26.32B

110.37M

Options Chain

15-min delayed Underlying $238.50 · at close Aug 6, 2026 Options Calculator

Positioning

Aug 21, 2026 · 14 days to expiry · 46 contracts

Put / call OI

0.96

Balanced positioning

Open interest

9,586

contracts outstanding

Volume

607

traded today

Max pain

$220.00

$18.50 below spot

ATM implied vol

24.2%

market's expected move

Open interest by strike

Calls Puts

125

130

135

140

145

150

155

160

165

170

175

180

185

190

195

200

210

220

230

240

250

260

270

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 14d Sep 18 42d Nov 20 105d Feb 19 196d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
1	1	132.2%	0.995	$52.34		$0.70	-0.014	159.5%	1	1
Call · $125 In the money Last $52.34 Breakeven $177.34 Implied vol 132.2% Delta 0.995 ≈99% ITM Gamma 0 Theta -0.032 Vega 0.007 Open interest 1 Model this call Put · $125 Last $0.70 Breakeven $124.30 Implied vol 159.5% Delta -0.014 ≈1% ITM Gamma 0 Theta -0.092 Vega 0.017 Open interest 1 Model this put
0	10	0.1%	0.999	$74.80		$0.14	-0.015	150.8%	2	4
Call · $130 In the money Last $74.80 Breakeven $204.80 Implied vol 0.1% Delta 0.999 ≈100% ITM Gamma 0 Theta -0.004 Vega 0 Open interest 0 Model this call Put · $130 Last $0.14 Breakeven $129.86 Implied vol 150.8% Delta -0.015 ≈1% ITM Gamma 0.001 Theta -0.091 Vega 0.018 Open interest 4 Model this put
5	3	—	—	$72.84		$0.55	-0.015	142.4%	1	2
Call · $135 In the money Last $72.84 Breakeven $207.84 Implied vol — Delta — Gamma — Theta — Vega — Open interest 5 Model this call Put · $135 Last $0.55 Breakeven $134.45 Implied vol 142.4% Delta -0.015 ≈2% ITM Gamma 0.001 Theta -0.09 Vega 0.018 Open interest 2 Model this put
3	2	—	—	$73.48		$0.75	-0.016	134.4%	1	1
Call · $140 In the money Last $73.48 Breakeven $213.48 Implied vol — Delta — Gamma — Theta — Vega — Open interest 3 Model this call Put · $140 Last $0.75 Breakeven $139.25 Implied vol 134.4% Delta -0.016 ≈2% ITM Gamma 0.001 Theta -0.089 Vega 0.018 Open interest 1 Model this put
0	—	—	—	—		$0.75	-0.012	117.3%	4	27
Call · $145 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $145 Last $0.75 Breakeven $144.25 Implied vol 117.3% Delta -0.012 ≈1% ITM Gamma 0.001 Theta -0.058 Vega 0.019 Open interest 27 Model this put
24	9	—	—	$80.33		$0.76	-0.013	111.3%	4	49
Call · $150 In the money Last $80.33 Breakeven $230.33 Implied vol — Delta — Gamma — Theta — Vega — Open interest 24 Model this call Put · $150 Last $0.76 Breakeven $149.24 Implied vol 111.3% Delta -0.013 ≈1% ITM Gamma 0.001 Theta -0.062 Vega 0.019 Open interest 49 Model this put
14	1	—	—	$53.95		$0.60	-0.015	105.5%	3	8
Call · $155 In the money Last $53.95 Breakeven $208.95 Implied vol — Delta — Gamma — Theta — Vega — Open interest 14 Model this call Put · $155 Last $0.60 Breakeven $154.40 Implied vol 105.5% Delta -0.015 ≈2% ITM Gamma 0.001 Theta -0.065 Vega 0.019 Open interest 8 Model this put
1	10	79.3%	0.996	$46.10		$0.28	-0.019	102.5%	17	23
Call · $160 In the money Last $46.10 Breakeven $206.10 Implied vol 79.3% Delta 0.996 ≈100% ITM Gamma 0 Theta -0.022 Vega 0.008 Open interest 1 Model this call Put · $160 Last $0.28 Breakeven $159.72 Implied vol 102.5% Delta -0.019 ≈2% ITM Gamma 0.001 Theta -0.078 Vega 0.02 Open interest 23 Model this put
13	7	84.1%	0.99	$41.62		$0.05	-0.006	76.5%	1	8
Call · $165 In the money Last $41.62 Breakeven $206.62 Implied vol 84.1% Delta 0.99 ≈99% ITM Gamma 0.001 Theta -0.043 Vega 0.02 Open interest 13 Model this call Put · $165 Last $0.05 Breakeven $164.95 Implied vol 76.5% Delta -0.006 ≈1% ITM Gamma 0 Theta -0.021 Vega 0.009 Open interest 8 Model this put
20	5	0.1%	0.999	$65.20		$0.31	-0.019	85.5%	2	95
Call · $170 In the money Last $65.20 Breakeven $235.20 Implied vol 0.1% Delta 0.999 ≈100% ITM Gamma 0 Theta -0.008 Vega 0 Open interest 20 Model this call Put · $170 Last $0.31 Breakeven $169.69 Implied vol 85.5% Delta -0.019 ≈2% ITM Gamma 0.001 Theta -0.063 Vega 0.02 Open interest 95 Model this put
10	1	70.9%	0.989	$57.50		$0.60	-0.021	80.5%	2	43
Call · $175 In the money Last $57.50 Breakeven $232.50 Implied vol 70.9% Delta 0.989 ≈99% ITM Gamma 0.001 Theta -0.04 Vega 0.021 Open interest 10 Model this call Put · $175 Last $0.60 Breakeven $174.40 Implied vol 80.5% Delta -0.021 ≈2% ITM Gamma 0.001 Theta -0.067 Vega 0.021 Open interest 43 Model this put
14	1	0.1%	0.999	$54.28		$0.36	-0.066	101.2%	2	117
Call · $180 In the money Last $54.28 Breakeven $234.28 Implied vol 0.1% Delta 0.999 ≈100% ITM Gamma 0 Theta -0.009 Vega 0 Open interest 14 Model this call Put · $180 Last $0.36 Breakeven $179.64 Implied vol 101.2% Delta -0.066 ≈7% ITM Gamma 0.003 Theta -0.213 Vega 0.072 Open interest 117 Model this put
20	2	0.1%	0.999	$22.51		$0.07	-0.042	77.2%	3	70
Call · $185 In the money Last $22.51 Breakeven $207.51 Implied vol 0.1% Delta 0.999 ≈100% ITM Gamma 0 Theta -0.009 Vega 0 Open interest 20 Model this call Put · $185 Last $0.07 Breakeven $184.93 Implied vol 77.2% Delta -0.042 ≈4% ITM Gamma 0.002 Theta -0.111 Vega 0.042 Open interest 70 Model this put
26	3	—	—	$41.83		$1.09	-0.009	50%	10	1k
Call · $190 In the money Last $41.83 Breakeven $231.83 Implied vol — Delta — Gamma — Theta — Vega — Open interest 26 Model this call Put · $190 Last $1.09 Breakeven $188.91 Implied vol 50% Delta -0.009 ≈1% ITM Gamma 0.001 Theta -0.02 Vega 0.009 Open interest 1k Model this put
35	2	—	—	$39.00		$0.20	-0.023	52.5%	4	24
Call · $195 In the money Last $39.00 Breakeven $234.00 Implied vol — Delta — Gamma — Theta — Vega — Open interest 35 Model this call Put · $195 Last $0.20 Breakeven $194.80 Implied vol 52.5% Delta -0.023 ≈2% ITM Gamma 0.002 Theta -0.046 Vega 0.022 Open interest 24 Model this put
67	1	0.1%	0.999	$32.23		$0.20	-0.021	44.8%	22	94
Call · $200 In the money Last $32.23 Breakeven $232.23 Implied vol 0.1% Delta 0.999 ≈100% ITM Gamma 0 Theta -0.011 Vega 0 Open interest 67 Model this call Put · $200 Last $0.20 Breakeven $199.80 Implied vol 44.8% Delta -0.021 ≈2% ITM Gamma 0.002 Theta -0.037 Vega 0.022 Open interest 94 Model this put
1.4k	1	0.1%	0.999	$26.98		$0.58	-0.035	36.3%	30	1.3k
Call · $210 In the money Last $26.98 Breakeven $236.98 Implied vol 0.1% Delta 0.999 ≈100% ITM Gamma 0 Theta -0.012 Vega 0 Open interest 1.4k Model this call Put · $210 Last $0.58 Breakeven $209.42 Implied vol 36.3% Delta -0.035 ≈3% ITM Gamma 0.004 Theta -0.045 Vega 0.045 Open interest 1.3k Model this put
1.5k	139	26.4%	0.943	$18.25		$0.50	-0.133	38.2%	250	889
Call · $220 In the money Last $18.25 Breakeven $238.25 Implied vol 26.4% Delta 0.943 ≈94% ITM Gamma 0.009 Theta -0.061 Vega 0.046 Open interest 1.5k Model this call Put · $220 Last $0.50 Breakeven $219.50 Implied vol 38.2% Delta -0.133 ≈13% ITM Gamma 0.012 Theta -0.134 Vega 0.12 Open interest 889 Model this put
1k	3	25.1%	0.78	$9.86		$2.28	-0.244	27.9%	26	547
Call · $230 In the money Last $9.86 Breakeven $239.86 Implied vol 25.1% Delta 0.78 ≈78% ITM Gamma 0.025 Theta -0.134 Vega 0.16 Open interest 1k Model this call Put · $230 Last $2.28 Breakeven $227.72 Implied vol 27.9% Delta -0.244 ≈24% ITM Gamma 0.024 Theta -0.141 Vega 0.161 Open interest 547 Model this put
Underlying $238.50
406	3	24%	0.465	$3.60		$5.91	-0.536	24.5%	10	300
Call · $240 Last $3.60 Breakeven $243.60 Implied vol 24% Delta 0.465 ≈46% ITM Gamma 0.035 Theta -0.163 Vega 0.19 Open interest 406 Model this call Put · $240 In the money Last $5.91 Breakeven $234.09 Implied vol 24.5% Delta -0.536 ≈54% ITM Gamma 0.034 Theta -0.153 Vega 0.19 Open interest 300 Model this put
39	5	26.4%	0.198	$0.75		—	-0.795	27.6%	—	0
Call · $250 Last $0.75 Breakeven $250.75 Implied vol 26.4% Delta 0.198 ≈20% ITM Gamma 0.022 Theta -0.123 Vega 0.131 Open interest 39 Model this call Put · $250 In the money Last — Breakeven — Implied vol 27.6% Delta -0.795 ≈79% ITM Gamma 0.022 Theta -0.119 Vega 0.13 Open interest 0 Model this put
286	2	28.4%	0.068	$0.25		—	-0.934	29.3%	—	0
Call · $260 Last $0.25 Breakeven $260.25 Implied vol 28.4% Delta 0.068 ≈7% ITM Gamma 0.01 Theta -0.062 Vega 0.052 Open interest 286 Model this call Put · $260 In the money Last — Breakeven — Implied vol 29.3% Delta -0.934 ≈93% ITM Gamma 0.01 Theta -0.054 Vega 0.049 Open interest 0 Model this put
1	1	54.7%	0.139	$1.40		—	-0.965	35.2%	—	0
Call · $270 Last $1.40 Breakeven $271.40 Implied vol 54.7% Delta 0.139 ≈14% ITM Gamma 0.009 Theta -0.203 Vega 0.09 Open interest 1 Model this call Put · $270 In the money Last — Breakeven — Implied vol 35.2% Delta -0.965 ≈97% ITM Gamma 0.006 Theta -0.037 Vega 0.045 Open interest 0 Model this put

About this data

Greeks, implied volatility, open interest and the last price come from the latest daily snapshot and are 15-minute delayed. Bid and ask are not included on this plan.

In-the-money strikes are tinted, deepening toward the money, and the bar beside each open-interest figure scales to the heaviest strike shown. Max pain is the listed strike where the most open interest would expire worthless — a positioning reference, not a forecast.

Key facts CIK 1022079 CUSIP 74834L100 13F (30d) 578 filings 551 filers Visit website Investor relations