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: Jan 21, 2028
Days to expiration: 467
Share price: $938.84
Put/call ratio (OI): 0.39
Put/call ratio (volume): 0.58
ATM implied volatility: 34.0%
Expected move: ±$361.33
Open interest (C / P): 1.37K / 532

MCK options summary

The MCK options chain for the January 21, 2028 expiration lists 70 call and 60 put contracts, with 467 days until expiration. Open interest stands at 1,369 calls and 532 puts, a put/call ratio of 0.39, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $940.00 strike is 34.0%, which implies the market expects a move of about ±$361.33 (38.5%) in McKesson stock by expiration.

The most open interest sits at the $1,100.00 call (264 contracts) and the $700.00 put (67 contracts).

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

MCK options chain · January 21, 2028

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
9	1	69.2%	562.48	605.00	615.00	350.00	0.00	0.00	2.00	12.5%	1	0
0	1	—	539.00	0.00	0.00	360.00	0.00	10.00	4.70	55.8%	—	2
2	1	66.6%	513.00	586.00	596.00	370.00	0.00	0.00	4.20	12.5%	—	0
1	1	65.8%	504.00	577.00	587.00	380.00	—	—	—	—	—	—
—	—	—	—	—	—	390.00	0.00	0.00	4.00	12.5%	—	0
1	1	—	405.07	423.00	431.00	400.00	7.20	10.70	11.00	51.1%	1	15
0	—	—	569.00	0.00	0.00	410.00	0.00	0.00	11.00	12.5%	1	0
—	—	—	—	—	—	420.00	4.00	14.00	11.50	51.9%	1	5
—	—	—	—	—	—	430.00	5.00	14.50	12.00	51.0%	1	7
—	—	—	—	—	—	440.00	0.00	0.00	6.40	12.5%	2	0
0	5	—	444.50	0.00	0.00	450.00	0.00	0.00	7.00	12.5%	2	0
—	—	—	—	—	—	460.00	0.00	0.00	18.27	12.5%	10	0
1	2	—	406.10	432.00	442.00	470.00	0.00	0.00	16.98	12.5%	6	0
2	2	—	391.05	414.00	424.00	490.00	—	—	—	—	—	—
10	1	55.5%	448.50	469.00	478.00	500.00	2.00	12.00	7.00	40.5%	2	4
—	—	—	—	—	—	520.00	9.00	19.00	17.50	43.5%	—	1
12	24	—	357.60	380.00	390.00	530.00	0.00	0.00	26.63	12.5%	—	0
6	2	38.0%	335.82	404.00	413.00	540.00	14.00	24.00	20.95	44.4%	1	1
9	5	38.3%	327.46	395.00	405.00	550.00	19.50	26.10	22.50	44.4%	1	1
5	5	37.9%	320.92	387.00	396.00	560.00	23.00	27.70	24.60	44.1%	1	1
—	—	—	—	—	—	570.00	19.00	29.00	25.07	43.6%	1	1
7	1	—	260.00	277.00	285.00	580.00	8.00	17.00	17.00	35.8%	1	2
—	—	—	—	—	—	590.00	37.30	42.00	32.72	47.5%	2	1
0	1	—	318.00	0.00	0.00	600.00	0.00	0.00	42.81	6.3%	1	0
14	1	37.7%	349.40	345.00	355.00	610.00	—	—	—	—	—	—
7	1	—	260.69	226.00	235.00	620.00	12.00	21.00	20.39	34.1%	1	3
1	1	—	275.14	280.00	290.00	630.00	13.00	22.00	21.46	33.6%	1	3
1	20	—	198.20	213.00	222.00	640.00	37.00	46.00	54.00	43.2%	1	15
23	6	47.4%	276.20	340.00	349.00	650.00	15.00	25.00	23.00	33.1%	1	29
7	10	—	244.00	200.00	209.00	660.00	16.00	26.00	23.50	32.6%	7	4
0	—	—	249.00	194.00	203.00	670.00	18.00	28.00	24.21	32.5%	5	25
2	10	—	267.00	181.00	190.00	680.00	19.00	29.00	25.50	31.9%	19	27
—	—	—	—	—	—	690.00	21.00	31.00	37.06	31.7%	5	12
12	1	45.0%	271.50	301.00	310.00	700.00	24.00	32.00	28.03	31.1%	1	67
19	1	—	168.60	183.00	192.00	710.00	0.00	0.00	48.50	6.3%	2	0
0	1	26.4%	230.50	234.00	244.00	720.00	0.00	0.00	46.80	3.1%	1	0
3	1	27.0%	166.00	228.00	238.00	730.00	29.00	38.00	35.96	30.3%	6	6
28	2	35.6%	216.62	246.00	256.00	740.00	32.00	40.00	48.00	30.0%	2	12
15	1	—	172.50	167.00	176.00	750.00	34.00	42.00	45.00	29.6%	2	7
1	8	35.3%	223.20	233.00	242.00	760.00	38.20	41.60	41.60	28.5%	1	57
4	2	27.9%	174.45	202.00	212.00	770.00	58.00	67.00	88.49	35.3%	1	3
15	10	41.2%	193.50	242.00	250.00	780.00	41.00	50.00	59.60	29.1%	2	1
8	4	34.8%	190.90	213.00	222.00	790.00	52.20	60.60	69.38	31.2%	1	12
83	23	40.4%	215.21	229.00	236.00	800.00	48.00	54.00	51.38	28.1%	1	56
5	20	28.5%	171.65	179.00	188.00	810.00	119.00	129.00	140.90	47.9%	2	6
12	2	34.3%	156.00	194.00	203.00	820.00	62.00	72.00	94.40	31.0%	10	3
0	4	—	180.84	0.00	0.00	830.00	57.00	63.00	59.00	27.4%	1	28
39	2	39.1%	185.35	203.00	210.00	840.00	60.00	66.00	70.56	27.1%	18	9
36	1	38.8%	195.72	196.80	204.00	850.00	63.50	71.00	76.00	27.3%	1	4
34	1	38.6%	178.00	190.70	198.00	860.00	67.00	73.00	78.02	26.7%	2	10
20	2	38.0%	146.00	178.00	186.00	880.00	73.00	82.00	102.00	26.6%	2	2
57	1	37.5%	121.50	166.00	175.00	900.00	80.00	89.00	106.00	25.9%	16	29
81	56	37.0%	147.50	155.00	164.00	920.00	0.00	0.00	126.84	0.4%	—	0
MCK $938.84
72	3	36.4%	148.21	145.00	153.00	940.00	124.00	134.00	107.79	31.6%	1	1
23	1	29.1%	108.79	105.00	114.00	960.00	0.00	0.00	125.43	—	7	0
41	2	35.7%	112.00	125.00	134.00	980.00	0.00	0.00	135.01	—	1	0
80	1	35.3%	117.22	116.00	125.00	1,000.00	129.00	136.00	137.90	23.5%	58	50
4	3	29.2%	68.39	83.00	92.00	1,020.00	0.00	0.00	153.47	—	—	0
60	59	34.5%	101.10	99.00	108.00	1,040.00	196.00	206.00	242.00	33.8%	1	2
23	10	34.1%	60.39	92.00	100.00	1,060.00	164.00	173.00	198.40	22.5%	—	8
24	2	33.9%	72.60	84.00	93.00	1,080.00	—	—	—	—	—	—
264	2	33.3%	80.00	79.00	85.00	1,100.00	0.00	0.00	204.50	—	1	0
7	—	22.6%	67.60	29.00	38.00	1,120.00	298.00	307.00	314.41	44.4%	—	0
2	2	33.1%	69.50	65.00	74.00	1,140.00	—	—	—	—	—	—
9	—	32.8%	58.89	59.00	68.00	1,160.00	—	—	—	—	—	—
0	1	3.1%	44.75	0.00	0.00	1,180.00	—	—	—	—	—	—
12	1	32.4%	44.10	49.00	58.00	1,200.00	269.00	278.00	368.81	20.0%	1	0
4	1	32.0%	37.50	44.00	53.00	1,220.00	—	—	—	—	—	—
0	1	6.3%	20.51	0.00	0.00	1,240.00	—	—	—	—	—	—
2	1	31.8%	30.00	38.60	47.00	1,250.00	—	—	—	—	—	—
2	—	25.1%	26.20	14.00	24.00	1,260.00	—	—	—	—	—	—
0	1	6.3%	58.92	0.00	0.00	1,280.00	—	—	—	—	—	—
4	1	30.5%	35.00	25.00	35.00	1,300.00	—	—	—	—	—	—
0	—	6.3%	65.04	0.00	0.00	1,350.00	—	—	—	—	—	—
1	1	30.1%	25.00	13.00	23.00	1,400.00	—	—	—	—	—	—
39	3	30.7%	18.40	15.00	22.80	1,420.00	—	—	—	—	—	—
31	3	30.7%	16.60	13.00	21.00	1,440.00	—	—	—	—	—	—
0	3	6.3%	8.50	0.00	0.00	1,450.00	—	—	—	—	—	—
73	30	30.5%	12.50	10.00	19.00	1,460.00	—	—	—	—	—	—

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 January 21, 2028 expiration, the MCK put/call ratio based on open interest is 0.39 (532 puts vs 1,369 calls), and 0.58 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 January 21, 2028 is about 34.0%, 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.