McKesson (MCK) Options Chain

NYSE: MCKHealth CareOther PharmaceuticalsUSD

938.84+8.59 (+0.92%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Feb 19, 2027
Days to expiration: 131
Share price: $938.84
Put/call ratio (OI): 0.94
Put/call ratio (volume): 3.68
ATM implied volatility: 35.5%
Expected move: ±$199.67
Open interest (C / P): 477 / 447

MCK options summary

The MCK options chain for the February 19, 2027 expiration lists 31 call and 29 put contracts, with 131 days until expiration. Open interest stands at 477 calls and 447 puts, a put/call ratio of 0.94, which is fairly balanced between calls and puts. At-the-money implied volatility near the $940.00 strike is 35.5%, which implies the market expects a move of about ±$199.67 (21.3%) in McKesson stock by expiration.

The most open interest sits at the $1,000.00 call (235 contracts) and the $800.00 put (190 contracts).

Summary generated from market data by MetaCap's automated system. Methodology

MCK options chain · February 19, 2027

MCK calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
2	—	—	406.08	453.00	460.90	460.00	0.00	0.00	1.33	25.0%	—	0
—	—	—	—	—	—	470.00	0.00	0.00	1.65	25.0%	4	0
—	—	—	—	—	—	480.00	0.00	0.00	1.84	25.0%	2	0
—	—	—	—	—	—	490.00	0.00	3.90	2.20	54.5%	—	1
—	—	—	—	—	—	500.00	0.00	0.00	2.40	25.0%	—	0
—	—	—	—	—	—	580.00	0.00	7.80	4.50	55.0%	6	0
—	—	—	—	—	—	620.00	2.50	5.20	0.80	44.3%	6	58
—	—	—	—	—	—	640.00	0.05	8.80	7.00	47.0%	1	6
—	—	—	—	—	—	660.00	0.70	9.30	6.40	44.6%	1	6
—	—	—	—	—	—	690.00	22.20	30.00	40.30	55.9%	1	1
6	8	20.1%	162.00	192.50	199.80	740.00	—	—	—	—	—	—
2	2	—	145.00	158.30	166.00	750.00	0.00	0.00	28.65	6.3%	—	0
2	1	—	131.56	144.30	149.80	770.00	9.60	19.00	20.00	36.8%	1	16
—	—	—	—	—	—	780.00	11.70	20.00	21.80	36.0%	1	1
—	—	—	—	—	—	790.00	0.00	0.00	35.00	6.3%	1	0
—	—	—	—	—	—	800.00	14.00	23.00	27.83	34.7%	189	190
—	—	—	—	—	—	810.00	15.50	25.00	32.00	34.3%	2	2
0	—	28.2%	140.89	130.60	136.80	820.00	18.80	27.00	34.60	33.9%	—	1
—	—	—	—	—	—	830.00	20.30	29.00	31.50	33.3%	1	1
0	1	40.2%	128.35	134.00	143.80	840.00	22.60	32.00	38.50	33.2%	1	0
—	—	—	—	—	—	850.00	26.00	34.00	37.15	32.5%	1	1
8	4	38.2%	119.39	120.30	127.50	860.00	28.50	37.00	52.90	32.3%	5	6
0	2	37.8%	81.43	112.80	120.80	870.00	32.40	39.00	57.30	31.4%	8	9
2	1	37.8%	75.50	106.00	115.00	880.00	33.40	43.00	61.40	31.4%	1	7
—	—	—	—	—	—	890.00	37.00	46.00	65.50	30.9%	12	14
5	1	37.1%	75.90	93.00	102.60	900.00	40.40	50.00	72.60	30.7%	21	23
5	2	36.6%	88.77	87.00	96.20	910.00	44.60	54.00	78.00	30.5%	4	104
104	2	35.6%	70.34	81.20	89.00	920.00	0.00	0.00	84.60	0.8%	—	0
MCK $938.84
3	3	35.5%	63.90	70.00	79.30	940.00	0.00	0.00	94.30	—	—	0
15	9	34.3%	59.00	60.50	67.80	960.00	—	—	—	—	—	—
17	2	34.0%	52.15	51.00	59.20	980.00	—	—	—	—	—	—
235	13	33.8%	38.00	42.00	51.70	1,000.00	0.00	0.00	135.30	—	—	0
6	2	33.2%	25.50	35.00	44.00	1,020.00	—	—	—	—	—	—
7	1	32.5%	31.10	29.80	36.70	1,040.00	—	—	—	—	—	—
6	5	32.9%	16.95	23.00	32.40	1,060.00	—	—	—	—	—	—
0	1	6.3%	14.00	0.00	0.00	1,080.00	—	—	—	—	—	—
6	2	31.9%	18.10	15.00	22.40	1,100.00	—	—	—	—	—	—
1	1	29.0%	4.50	6.20	14.50	1,120.00	—	—	—	—	—	—
7	4	32.5%	4.60	7.50	17.00	1,140.00	—	—	—	—	—	—
3	1	32.1%	4.70	5.40	13.90	1,160.00	—	—	—	—	—	—
5	1	32.2%	3.30	3.40	11.90	1,180.00	—	—	—	—	—	—
9	1	32.5%	2.55	1.90	10.40	1,200.00	—	—	—	—	—	—
9	1	33.7%	2.40	0.65	10.00	1,220.00	—	—	—	—	—	—
5	1	34.0%	1.70	0.05	8.80	1,240.00	—	—	—	—	—	—
4	1	34.9%	1.80	0.05	8.30	1,260.00	—	—	—	—	—	—
3	—	35.9%	1.10	0.05	8.00	1,280.00	—	—	—	—	—	—
0	—	12.5%	3.40	0.00	0.00	1,300.00	—	—	—	—	—	—

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 February 19, 2027 expiration, the MCK put/call ratio based on open interest is 0.94 (447 puts vs 477 calls), and 3.68 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 February 19, 2027 is about 35.5%, 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.