W.W. Grainger (GWW) Options Chain

NYSE: GWWIndustrialsOffice Equipment/Supplies/ServicesUSD

1,289.79+21.12 (+1.66%)

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

Expiration date

Expiration: May 21, 2027
Days to expiration: 223
Share price: $1,289.79
Put/call ratio (OI): 1.04
Put/call ratio (volume): 3.44
ATM implied volatility: 39.5%
Expected move: ±$398.32
Open interest (C / P): 1.75K / 1.82K

GWW options summary

The GWW options chain for the May 21, 2027 expiration lists 54 call and 35 put contracts, with 223 days until expiration. Open interest stands at 1,751 calls and 1,823 puts, a put/call ratio of 1.04, which is fairly balanced between calls and puts. At-the-money implied volatility near the $1,280.00 strike is 39.5%, which implies the market expects a move of about ±$398.32 (30.9%) in W.W. Grainger stock by expiration.

The most open interest sits at the $1,600.00 call (1.46K contracts) and the $1,050.00 put (1.50K contracts).

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

GWW options chain · May 21, 2027

GWW 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
—	—	—	—	—	—	620.00	0.00	6.40	3.30	54.2%	—	2
0	1	—	625.00	0.00	0.00	640.00	—	—	—	—	—	—
1	—	85.8%	632.00	675.00	685.00	660.00	0.00	4.90	1.70	47.6%	2	1
0	1	—	647.80	0.00	0.00	680.00	0.05	7.40	2.00	49.5%	2	4
0	—	—	604.00	0.00	0.00	700.00	0.05	7.50	2.43	47.7%	1	2
0	—	—	609.00	0.00	0.00	720.00	—	—	—	—	—	—
0	—	—	586.00	0.00	0.00	740.00	—	—	—	—	—	—
0	—	—	579.00	0.00	0.00	760.00	—	—	—	—	—	—
0	—	—	379.20	0.00	0.00	780.00	0.00	0.00	14.68	12.5%	—	0
6	5	51.1%	546.80	503.50	512.60	800.00	—	—	—	—	—	—
—	—	—	—	—	—	820.00	0.05	8.60	4.28	38.1%	64	32
1	—	—	279.50	357.00	367.00	840.00	0.05	8.90	3.82	36.7%	39	47
—	—	—	—	—	—	860.00	0.75	9.30	4.90	35.4%	1	18
0	1	—	454.40	0.00	0.00	880.00	11.10	21.00	9.60	42.0%	3	4
—	—	—	—	—	—	900.00	0.00	0.00	12.70	6.3%	8	0
0	—	—	426.00	0.00	0.00	930.00	—	—	—	—	—	—
—	—	—	—	—	—	950.00	0.00	0.00	24.00	6.3%	4	0
0	—	—	401.00	0.00	0.00	960.00	—	—	—	—	—	—
0	—	—	391.00	0.00	0.00	970.00	—	—	—	—	—	—
—	—	—	—	—	—	990.00	0.00	0.00	16.75	6.3%	—	0
1	—	52.5%	411.00	361.00	370.00	1,000.00	24.00	34.00	19.13	36.9%	3	2
—	—	—	—	—	—	1,020.00	20.00	30.00	55.22	33.3%	—	2
1	1	36.9%	322.10	285.20	294.00	1,040.00	—	—	—	—	—	—
19	1	36.5%	313.80	276.90	285.50	1,050.00	31.00	41.00	26.90	34.8%	50	1,504
0	1	36.2%	305.90	268.60	277.50	1,060.00	—	—	—	—	—	—
—	—	—	—	—	—	1,070.00	35.10	45.00	34.80	34.2%	—	45
0	—	—	154.60	0.00	0.00	1,080.00	25.50	35.00	26.91	29.7%	2	49
21	1	34.6%	274.80	236.30	245.20	1,100.00	—	—	—	—	—	—
1	1	34.2%	267.20	228.60	237.20	1,110.00	0.00	0.00	58.96	3.1%	—	0
1	1	33.8%	259.70	221.00	229.30	1,120.00	28.50	37.00	42.10	26.6%	—	0
0	—	—	120.90	0.00	0.00	1,140.00	—	—	—	—	—	—
1	1	45.7%	299.03	242.10	252.00	1,150.00	—	—	—	—	—	—
0	2	—	116.70	0.00	0.00	1,180.00	—	—	—	—	—	—
0	3	—	114.88	0.00	0.00	1,190.00	46.90	55.00	53.10	25.1%	3	11
1	1	42.4%	180.00	203.00	213.00	1,200.00	—	—	—	—	—	—
—	—	—	—	—	—	1,210.00	53.30	61.90	59.50	24.8%	1	1
2	2	46.1%	143.37	203.00	212.00	1,230.00	—	—	—	—	—	—
2	—	40.5%	79.55	166.00	176.00	1,260.00	—	—	—	—	—	—
0	—	—	132.83	0.00	0.00	1,270.00	—	—	—	—	—	—
2	1	39.5%	129.00	155.00	163.00	1,280.00	—	—	—	—	—	—
GWW $1,289.79
1	1	52.3%	177.00	200.00	210.00	1,300.00	89.20	97.00	96.30	22.7%	1	1
—	—	—	—	—	—	1,320.00	99.60	107.00	108.00	22.4%	—	1
1	—	28.4%	114.80	85.30	93.00	1,340.00	110.20	117.00	117.30	21.9%	1	2
10	4	50.4%	127.25	164.00	174.00	1,360.00	120.90	128.00	127.60	21.4%	1	2
3	2	27.8%	74.80	68.40	76.00	1,380.00	121.20	131.00	128.60	18.7%	1	0
8	1	27.4%	59.70	60.90	68.00	1,400.00	146.50	152.00	137.00	20.5%	—	7
4	2	27.1%	54.30	54.10	61.00	1,420.00	144.00	153.90	145.10	16.7%	1	7
—	—	—	—	—	—	1,440.00	0.00	0.00	312.00	—	—	0
10	2	26.7%	68.90	42.40	49.00	1,460.00	172.60	182.00	157.20	14.9%	—	1
2	—	26.6%	58.10	37.30	44.00	1,480.00	0.00	0.00	349.00	—	—	0
1	1	33.3%	92.50	54.20	63.00	1,500.00	199.50	209.00	206.50	—	—	75
17	1	32.4%	106.70	47.00	55.40	1,520.00	214.10	224.00	209.20	—	—	2
4	1	26.6%	26.30	24.90	32.00	1,540.00	—	—	—	—	—	—
7	1	31.9%	73.10	37.00	45.60	1,560.00	—	—	—	—	—	—
61	2	31.7%	69.80	32.10	41.10	1,580.00	—	—	—	—	—	—
1,463	4	31.3%	63.90	28.00	36.70	1,600.00	—	—	—	—	—	—
34	1	31.2%	69.10	24.00	33.40	1,620.00	296.00	304.60	335.40	—	—	1
4	3	40.1%	43.12	48.00	58.00	1,640.00	—	—	—	—	—	—
3	2	34.0%	14.88	23.00	33.00	1,680.00	—	—	—	—	—	—
53	1	30.4%	33.60	13.00	21.40	1,700.00	405.70	414.60	460.10	20.8%	1	0
0	—	6.3%	5.30	0.00	0.00	1,720.00	—	—	—	—	—	—
0	—	6.3%	4.60	0.00	0.00	1,740.00	—	—	—	—	—	—
0	—	6.3%	4.20	0.00	0.00	1,760.00	—	—	—	—	—	—
4	1	28.4%	3.60	2.65	10.00	1,800.00	—	—	—	—	—	—
1	1	35.6%	4.00	0.00	7.40	2,100.00	—	—	—	—	—	—

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 GWW put/call ratio?

For the May 21, 2027 expiration, the GWW put/call ratio based on open interest is 1.04 (1,823 puts vs 1,751 calls), and 3.44 based on today's volume. A ratio above 1 means more puts than calls.

What is GWW's implied volatility?

At-the-money implied volatility for GWW options expiring May 21, 2027 is about 39.5%, an annualized estimate of how much the market expects W.W. Grainger stock to move.

How many GWW option expiration dates are there?

GWW has 13 listed expiration dates, from Oct 16, 2026 to Dec 17, 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.