McKesson (MCK) Options Chain
NYSE: MCKHealth CareOther PharmaceuticalsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- May 21, 2027
- Days to expiration
- 223
- Share price
- $938.84
- Put/call ratio (OI)
- 1.59
- Put/call ratio (volume)
- 0.43
- Expected move
- ±$207.38
- Open interest (C / P)
- 27 / 43
MCK options summary
The MCK options chain for the May 21, 2027 expiration lists 5 call and 11 put contracts, with 223 days until expiration. Open interest stands at 27 calls and 43 puts, a put/call ratio of 1.59, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $920.00 strike is 28.3%, which implies the market expects a move of about ±$207.38 (22.1%) in McKesson stock by expiration.
The most open interest sits at the $1,020.00 call (17 contracts) and the $870.00 put (12 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
MCK options chain · May 21, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 580.00 | 0.75 | 8.70 | 6.80 | |||||
| — | — | — | 600.00 | 1.75 | 9.10 | 8.60 | |||||
| — | — | — | 620.00 | 2.80 | 11.00 | 10.30 | |||||
| — | — | — | 640.00 | 4.20 | 12.90 | 10.90 | |||||
| — | — | — | 860.00 | 41.50 | 50.00 | 65.50 | |||||
| 115.91 | 136.00 | 144.20 | 870.00 | 45.00 | 53.50 | 72.00 | |||||
| — | — | — | 880.00 | 49.30 | 57.00 | 76.80 | |||||
| 96.30 | 123.00 | 131.00 | 890.00 | 52.00 | 60.70 | 77.90 | |||||
| — | — | — | 900.00 | 56.00 | 64.00 | 82.50 | |||||
| — | — | — | 910.00 | 60.00 | 68.00 | 92.10 | |||||
| — | — | — | 920.00 | 64.00 | 72.80 | 92.90 | |||||
| 70.12 | 75.00 | 83.00 | 980.00 | — | — | — | |||||
| 50.00 | 70.00 | 78.50 | 990.00 | — | — | — | |||||
| 40.80 | 58.00 | 66.00 | 1,020.00 | — | — | — | |||||
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 MCK put/call ratio?
For the May 21, 2027 expiration, the MCK put/call ratio based on open interest is 1.59 (43 puts vs 27 calls), and 0.43 based on today's volume. A ratio above 1 means more puts than calls.
What is MCK's implied volatility?
At-the-money implied volatility for MCK options expiring May 21, 2027 is about 28.3%, an annualized estimate of how much the market expects McKesson stock to move.
How many MCK option expiration dates are there?
MCK has 10 listed expiration dates, from Oct 16, 2026 to Jan 21, 2028.
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.