Quest Diagnostics (DGX) Options Chain
NYSE: DGXHealth CareMedical SpecialitiesUSD
At close: Oct 8, 4:00 PM ET · Delayed 15 min
After hours: 230.81 0.00%
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 8
- Share price
- $230.81
- Put/call ratio (OI)
- 4.02
- Put/call ratio (volume)
- 30.00
- Expected move
- ±$11.70
- Open interest (C / P)
- 1.03K / 4.16K
DGX options summary
The DGX options chain for the October 16, 2026 expiration lists 7 call and 6 put contracts, with 8 days until expiration. Open interest stands at 1,035 calls and 4,164 puts, a put/call ratio of 4.02, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $230.00 strike is 34.2%, which implies the market expects a move of about ±$11.70 (5.1%) in Quest Diagnostics stock by expiration.
The most open interest sits at the $260.00 call (316 contracts) and the $220.00 put (2.21K contracts).
Summary generated from market data by MetaCap's automated system. Methodology
DGX options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 55.00 | 0.00 | 0.00 | 190.00 | — | — | — | |||||
| — | — | — | 200.00 | 0.00 | 2.15 | 0.10 | |||||
| — | — | — | 210.00 | 0.00 | 0.80 | 0.20 | |||||
| — | — | — | 220.00 | 0.15 | 0.70 | 0.75 | |||||
| 2.35 | 3.30 | 5.70 | 230.00 | 2.45 | 4.20 | 3.40 | |||||
| 0.60 | 0.20 | 2.00 | 240.00 | 8.60 | 11.90 | 11.90 | |||||
| 1.00 | 0.00 | 0.95 | 250.00 | 18.20 | 20.80 | 20.76 | |||||
| 0.11 | 0.00 | 1.55 | 260.00 | — | — | — | |||||
| 0.29 | 0.00 | 1.25 | 270.00 | — | — | — | |||||
| 0.45 | 0.00 | 2.15 | 280.00 | — | — | — | |||||
In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.
Frequently asked questions
What is the DGX put/call ratio?
For the October 16, 2026 expiration, the DGX put/call ratio based on open interest is 4.02 (4,164 puts vs 1,035 calls), and 30.00 based on today's volume. A ratio above 1 means more puts than calls.
What is DGX's implied volatility?
At-the-money implied volatility for DGX options expiring October 16, 2026 is about 34.2%, an annualized estimate of how much the market expects Quest Diagnostics stock to move.
How many DGX option expiration dates are there?
DGX has 4 listed expiration dates, from Oct 16, 2026 to May 21, 2027.
What does "in the money" mean?
A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.