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: Oct 16, 2026
Days to expiration: 7
Share price: $1,289.79
Put/call ratio (OI): 0.62
Put/call ratio (volume): 0.64
ATM implied volatility: 31.9%
Expected move: ±$57.03
Open interest (C / P): 1.56K / 967

GWW options summary

The GWW options chain for the October 16, 2026 expiration lists 56 call and 51 put contracts, with 7 days until expiration. Open interest stands at 1,560 calls and 967 puts, a put/call ratio of 0.62, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $1,280.00 strike is 31.9%, which implies the market expects a move of about ±$57.03 (4.4%) in W.W. Grainger stock by expiration.

The most open interest sits at the $1,320.00 call (226 contracts) and the $1,140.00 put (184 contracts).

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

GWW options chain · October 16, 2026

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
2	1	179.4%	521.90	566.10	575.00	720.00	0.00	4.80	1.60	211.0%	1	3
1	—	407.3%	490.80	591.00	600.70	740.00	0.00	4.80	0.95	202.1%	34	7
1	1	162.7%	482.00	526.00	535.00	760.00	0.00	4.80	1.00	193.5%	1	21
1	—	—	345.80	389.70	399.00	780.00	0.00	0.00	1.58	50.0%	38	0
1	—	148.4%	474.60	486.00	495.00	800.00	—	—	—	—	—	—
—	—	—	—	—	—	820.00	0.00	4.80	3.50	168.8%	1	1
—	—	—	—	—	—	840.00	0.00	4.80	1.21	161.0%	1	20
1	2	300.3%	543.30	463.10	472.00	860.00	—	—	—	—	—	—
—	—	—	—	—	—	880.00	0.00	10.00	1.72	166.9%	64	25
—	—	—	—	—	—	900.00	0.00	10.00	2.42	158.6%	20	6
0	—	—	175.50	0.00	0.00	920.00	—	—	—	—	—	—
0	2	—	334.11	0.00	0.00	940.00	0.00	4.90	1.06	124.3%	1	49
0	—	—	145.90	0.00	0.00	960.00	0.00	7.30	3.50	126.3%	1	2
1	—	232.3%	377.70	344.10	353.90	980.00	0.00	1.30	3.40	89.5%	1	4
—	—	—	—	—	—	990.00	0.00	0.00	8.60	25.0%	—	0
2	1	332.5%	330.50	380.30	387.00	1,000.00	0.00	1.55	3.50	85.8%	1	4
—	—	—	—	—	—	1,010.00	0.00	3.20	6.00	92.7%	1	0
4	3	83.1%	257.87	266.30	275.30	1,020.00	2.15	10.00	26.90	116.9%	1	2
—	—	—	—	—	—	1,030.00	0.00	10.00	5.13	108.0%	2	5
19	4	77.7%	244.78	246.40	255.30	1,040.00	0.00	4.90	0.90	89.9%	5	4
0	—	—	89.50	0.00	0.00	1,050.00	—	—	—	—	—	—
0	4	—	230.45	0.00	0.00	1,060.00	5.10	13.00	18.10	112.6%	3	2
—	—	—	—	—	—	1,070.00	6.00	14.00	19.80	111.7%	3	3
1	—	—	66.80	131.60	140.00	1,080.00	7.00	15.00	22.70	110.6%	—	1
4	2	64.8%	191.70	196.60	205.50	1,090.00	0.00	4.90	1.03	73.4%	1	18
3	3	272.7%	238.80	284.60	294.00	1,100.00	0.00	4.90	2.40	70.1%	1	7
0	1	—	87.00	0.00	0.00	1,110.00	0.00	0.00	25.70	25.0%	1	0
1	2	57.5%	162.00	166.80	175.70	1,120.00	0.00	0.00	23.40	25.0%	1	0
4	1	247.9%	260.90	252.00	261.50	1,130.00	6.00	15.30	9.71	88.7%	13	13
0	1	156.7%	154.46	193.20	199.40	1,140.00	0.00	4.90	1.63	57.1%	20	184
7	1	246.2%	200.50	239.40	249.00	1,150.00	0.00	7.20	1.83	58.9%	15	25
5	1	116.8%	80.50	157.10	163.30	1,160.00	0.05	4.90	0.35	50.8%	5	43
6	1	60.5%	108.65	118.50	126.00	1,170.00	0.00	4.90	1.00	56.5%	1	48
0	195	—	161.92	0.00	0.00	1,180.00	0.00	0.00	10.00	12.5%	1	0
9	1	227.5%	169.80	205.20	215.00	1,190.00	0.00	10.00	2.20	62.1%	11	22
11	4	121.0%	198.00	131.20	140.00	1,200.00	0.00	10.00	2.75	57.9%	2	67
2	1	143.3%	61.20	139.60	147.90	1,210.00	0.05	10.00	8.30	53.6%	1	7
40	1	45.5%	67.40	69.50	78.00	1,220.00	0.00	10.00	16.00	49.3%	23	84
194	150	43.3%	68.95	59.60	69.00	1,230.00	0.05	10.00	16.00	44.8%	11	29
14	1	105.4%	86.05	97.80	104.50	1,240.00	0.70	9.30	13.20	39.0%	1	32
38	2	37.8%	40.90	42.70	51.00	1,250.00	2.50	10.40	6.30	36.4%	3	36
95	1	35.7%	33.60	35.20	42.80	1,260.00	4.80	10.50	13.80	31.7%	3	51
18	1	34.6%	17.65	27.90	35.60	1,270.00	7.60	15.00	14.00	33.4%	1	54
23	3	33.5%	14.94	21.20	29.00	1,280.00	11.50	17.00	31.06	30.4%	5	27
GWW $1,289.79
162	1	33.2%	11.50	11.20	19.00	1,300.00	20.10	28.00	46.83	31.5%	2	20
226	6	33.2%	4.94	2.85	11.80	1,320.00	32.20	41.00	36.62	31.6%	6	12
49	3	34.4%	3.09	0.05	7.50	1,340.00	0.00	0.00	77.40	—	2	0
81	2	46.8%	2.00	0.05	10.00	1,360.00	66.70	75.60	97.10	37.2%	7	16
105	1	30.7%	0.57	0.30	1.35	1,380.00	69.50	78.20	73.20	—	1	3
120	1	33.4%	1.10	0.00	0.95	1,400.00	84.00	92.60	82.20	—	2	3
95	1	54.5%	0.35	0.00	4.90	1,420.00	100.00	109.00	94.40	—	1	6
16	1	51.0%	2.30	0.00	4.90	1,440.00	105.00	114.00	129.80	—	1	1
91	1	55.9%	6.60	0.00	4.90	1,460.00	133.00	141.60	110.00	—	1	0
28	1	60.6%	4.41	0.00	4.90	1,480.00	0.00	0.00	342.80	—	1	0
22	42	65.2%	0.85	0.00	4.90	1,500.00	—	—	—	—	—	—
35	48	69.6%	0.75	0.00	4.90	1,520.00	—	—	—	—	—	—
5	1	85.8%	20.90	0.00	10.00	1,540.00	—	—	—	—	—	—
6	1	90.5%	14.20	0.00	10.00	1,560.00	—	—	—	—	—	—
3	2	95.1%	12.70	0.00	10.00	1,580.00	—	—	—	—	—	—
0	—	25.0%	4.80	0.00	0.00	1,600.00	—	—	—	—	—	—
4	1	125.0%	9.70	6.90	15.00	1,620.00	—	—	—	—	—	—
0	—	25.0%	3.20	0.00	0.00	1,640.00	—	—	—	—	—	—
—	—	—	—	—	—	1,700.00	371.20	380.90	286.00	—	—	0
1	—	111.6%	3.90	0.00	5.60	1,720.00	—	—	—	—	—	—
3	1	115.2%	2.80	0.00	5.60	1,740.00	—	—	—	—	—	—

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 October 16, 2026 expiration, the GWW put/call ratio based on open interest is 0.62 (967 puts vs 1,560 calls), and 0.64 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 October 16, 2026 is about 31.9%, 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.