ITW · Illinois Tool Works Inc

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$282.85 +5.94 (+2.14%) At close · Jul 24

Market Cap

$81.42B

287.70M

Options Chain

15-min delayed Underlying $282.85 · today Options Calculator

Positioning

Aug 21, 2026 · 27 days to expiry · 54 contracts

Put / call OI

0.31

Call-heavy positioning

Open interest

1,741

contracts outstanding

Volume

276

traded today

Max pain

$270.00

$12.85 below spot

ATM implied vol

29.2%

market's expected move

Open interest by strike

Calls Puts

165

170

175

180

185

190

195

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290

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390

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 27d Sep 18 55d Nov 20 118d Dec 18 146d Jan 15 174d Mar 19 237d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	92.4%	0.989	—		—	—	—	—	0
Call · $165 In the money Last — Breakeven — Implied vol 92.4% Delta 0.989 ≈99% ITM Gamma 0 Theta -0.036 Vega 0.029 Open interest 0 Model this call Put · $165 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	90.8%	0.986	—		—	—	—	—	0
Call · $170 In the money Last — Breakeven — Implied vol 90.8% Delta 0.986 ≈99% ITM Gamma 0.001 Theta -0.045 Vega 0.03 Open interest 0 Model this call Put · $170 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	85.9%	0.985	—		—	—	—	—	0
Call · $175 In the money Last — Breakeven — Implied vol 85.9% Delta 0.985 ≈99% ITM Gamma 0.001 Theta -0.044 Vega 0.031 Open interest 0 Model this call Put · $175 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	77.9%	0.988	—		—	—	—	—	0
Call · $180 In the money Last — Breakeven — Implied vol 77.9% Delta 0.988 ≈99% ITM Gamma 0.001 Theta -0.034 Vega 0.031 Open interest 0 Model this call Put · $180 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	76.5%	0.984	—		—	—	—	—	0
Call · $185 In the money Last — Breakeven — Implied vol 76.5% Delta 0.984 ≈98% ITM Gamma 0.001 Theta -0.042 Vega 0.031 Open interest 0 Model this call Put · $185 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	73.5%	0.982	—		—	—	—	—	0
Call · $190 In the money Last — Breakeven — Implied vol 73.5% Delta 0.982 ≈98% ITM Gamma 0.001 Theta -0.046 Vega 0.032 Open interest 0 Model this call Put · $190 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	69%	0.981	—		$0.68	-0.009	61.4%	1	3
Call · $195 In the money Last — Breakeven — Implied vol 69% Delta 0.981 ≈98% ITM Gamma 0.001 Theta -0.045 Vega 0.032 Open interest 0 Model this call Put · $195 Last $0.68 Breakeven $194.32 Implied vol 61.4% Delta -0.009 ≈1% ITM Gamma 0.001 Theta -0.021 Vega 0.014 Open interest 3 Model this put
0	—	67.7%	0.977	—		$0.78	-0.019	65%	1	1
Call · $200 In the money Last — Breakeven — Implied vol 67.7% Delta 0.977 ≈98% ITM Gamma 0.001 Theta -0.054 Vega 0.033 Open interest 0 Model this call Put · $200 Last $0.78 Breakeven $199.22 Implied vol 65% Delta -0.019 ≈2% ITM Gamma 0.001 Theta -0.043 Vega 0.033 Open interest 1 Model this put
0	—	51.7%	0.986	—		$0.20	-0.013	51.9%	4	4
Call · $210 In the money Last — Breakeven — Implied vol 51.7% Delta 0.986 ≈99% ITM Gamma 0.001 Theta -0.027 Vega 0.033 Open interest 0 Model this call Put · $210 Last $0.20 Breakeven $209.80 Implied vol 51.9% Delta -0.013 ≈1% ITM Gamma 0.001 Theta -0.025 Vega 0.033 Open interest 4 Model this put
0	—	46.6%	0.98	—		$0.05	-0.027	51%	1	1
Call · $220 In the money Last — Breakeven — Implied vol 46.6% Delta 0.98 ≈98% ITM Gamma 0.001 Theta -0.035 Vega 0.034 Open interest 0 Model this call Put · $220 Last $0.05 Breakeven $219.95 Implied vol 51% Delta -0.027 ≈3% ITM Gamma 0.002 Theta -0.045 Vega 0.068 Open interest 1 Model this put
0	—	42.4%	0.969	—		$0.87	-0.026	41.3%	1	3
Call · $230 In the money Last — Breakeven — Implied vol 42.4% Delta 0.969 ≈97% ITM Gamma 0.002 Theta -0.045 Vega 0.07 Open interest 0 Model this call Put · $230 Last $0.87 Breakeven $229.13 Implied vol 41.3% Delta -0.026 ≈3% ITM Gamma 0.002 Theta -0.035 Vega 0.035 Open interest 3 Model this put
2	2	34.4%	0.966	$33.45		$0.48	-0.053	39.5%	5	27
Call · $240 In the money Last $33.45 Breakeven $273.45 Implied vol 34.4% Delta 0.966 ≈97% ITM Gamma 0.003 Theta -0.042 Vega 0.071 Open interest 2 Model this call Put · $240 Last $0.48 Breakeven $239.52 Implied vol 39.5% Delta -0.053 ≈5% ITM Gamma 0.004 Theta -0.061 Vega 0.071 Open interest 27 Model this put
3	3	33.8%	0.919	$25.70		$2.17	-0.075	33.1%	11	54
Call · $250 In the money Last $25.70 Breakeven $275.70 Implied vol 33.8% Delta 0.919 ≈92% ITM Gamma 0.006 Theta -0.077 Vega 0.125 Open interest 3 Model this call Put · $250 Last $2.17 Breakeven $247.83 Implied vol 33.1% Delta -0.075 ≈7% ITM Gamma 0.006 Theta -0.066 Vega 0.125 Open interest 54 Model this put
28	1	30%	0.863	$17.78		$1.90	-0.148	31.5%	1	262
Call · $260 In the money Last $17.78 Breakeven $277.78 Implied vol 30% Delta 0.863 ≈86% ITM Gamma 0.01 Theta -0.101 Vega 0.192 Open interest 28 Model this call Put · $260 Last $1.90 Breakeven $258.10 Implied vol 31.5% Delta -0.148 ≈15% ITM Gamma 0.01 Theta -0.103 Vega 0.193 Open interest 262 Model this put
174	1	29.7%	0.736	$17.09		$4.12	-0.253	28.2%	2	46
Call · $270 In the money Last $17.09 Breakeven $287.09 Implied vol 29.7% Delta 0.736 ≈74% ITM Gamma 0.014 Theta -0.145 Vega 0.258 Open interest 174 Model this call Put · $270 Last $4.12 Breakeven $265.88 Implied vol 28.2% Delta -0.253 ≈25% ITM Gamma 0.015 Theta -0.126 Vega 0.258 Open interest 46 Model this put
632	138	29%	0.573	$10.52		$7.70	-0.427	29.4%	67	6
Call · $280 In the money Last $10.52 Breakeven $290.52 Implied vol 29% Delta 0.573 ≈57% ITM Gamma 0.018 Theta -0.168 Vega 0.302 Open interest 632 Model this call Put · $280 Last $7.70 Breakeven $272.30 Implied vol 29.4% Delta -0.427 ≈43% ITM Gamma 0.018 Theta -0.161 Vega 0.302 Open interest 6 Model this put
Underlying $282.85
205	10	27.7%	0.391	$6.20		$19.80	-0.608	28.1%	6	0
Call · $290 Last $6.20 Breakeven $296.20 Implied vol 27.7% Delta 0.391 ≈39% ITM Gamma 0.018 Theta -0.158 Vega 0.309 Open interest 205 Model this call Put · $290 In the money Last $19.80 Breakeven $270.20 Implied vol 28.1% Delta -0.608 ≈61% ITM Gamma 0.018 Theta -0.15 Vega 0.308 Open interest 0 Model this put
80	6	28.4%	0.238	$3.00		$19.90	-0.763	28.5%	10	0
Call · $300 Last $3.00 Breakeven $303.00 Implied vol 28.4% Delta 0.238 ≈24% ITM Gamma 0.014 Theta -0.13 Vega 0.211 Open interest 80 Model this call Put · $300 In the money Last $19.90 Breakeven $280.10 Implied vol 28.5% Delta -0.763 ≈76% ITM Gamma 0.015 Theta -0.12 Vega 0.211 Open interest 0 Model this put
205	1	27.6%	0.121	$1.00		—	-0.879	28%	—	0
Call · $310 Last $1.00 Breakeven $311.00 Implied vol 27.6% Delta 0.121 ≈12% ITM Gamma 0.01 Theta -0.081 Vega 0.144 Open interest 205 Model this call Put · $310 In the money Last — Breakeven — Implied vol 28% Delta -0.879 ≈88% ITM Gamma 0.01 Theta -0.073 Vega 0.142 Open interest 0 Model this put
4	3	31.2%	0.078	$0.80		—	-0.925	31.4%	—	0
Call · $320 Last $0.80 Breakeven $320.80 Implied vol 31.2% Delta 0.078 ≈8% ITM Gamma 0.006 Theta -0.067 Vega 0.147 Open interest 4 Model this call Put · $320 In the money Last — Breakeven — Implied vol 31.4% Delta -0.925 ≈93% ITM Gamma 0.006 Theta -0.056 Vega 0.133 Open interest 0 Model this put
0	—	43.3%	0.108	—		—	-0.964	32.1%	—	0
Call · $330 Last — Breakeven — Implied vol 43.3% Delta 0.108 ≈11% ITM Gamma 0.006 Theta -0.115 Vega 0.148 Open interest 0 Model this call Put · $330 In the money Last — Breakeven — Implied vol 32.1% Delta -0.964 ≈96% ITM Gamma 0.004 Theta -0.029 Vega 0.071 Open interest 0 Model this put
0	—	37.1%	0.036	—		—	-0.978	35%	—	0
Call · $340 Last — Breakeven — Implied vol 37.1% Delta 0.036 ≈4% ITM Gamma 0.003 Theta -0.043 Vega 0.088 Open interest 0 Model this call Put · $340 In the money Last — Breakeven — Implied vol 35% Delta -0.978 ≈98% ITM Gamma 0.003 Theta -0.021 Vega 0.035 Open interest 0 Model this put
0	—	—	—	—		—	-0.98	39.6%	—	0
Call · $350 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $350 In the money Last — Breakeven — Implied vol 39.6% Delta -0.98 ≈98% ITM Gamma 0.002 Theta -0.022 Vega 0.035 Open interest 0 Model this put
0	—	—	—	—		—	-0.981	44%	—	0
Call · $360 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $360 In the money Last — Breakeven — Implied vol 44% Delta -0.981 ≈98% ITM Gamma 0.002 Theta -0.022 Vega 0.035 Open interest 0 Model this put
0	—	—	—	—		—	-0.983	48.2%	—	0
Call · $370 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $370 In the money Last — Breakeven — Implied vol 48.2% Delta -0.983 ≈98% ITM Gamma 0.002 Theta -0.023 Vega 0.036 Open interest 0 Model this put
0	—	—	—	—		—	-0.984	52.4%	—	0
Call · $380 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $380 In the money Last — Breakeven — Implied vol 52.4% Delta -0.984 ≈98% ITM Gamma 0.001 Theta -0.024 Vega 0.036 Open interest 0 Model this put
1	1	—	—	$0.05		—	-0.985	56.4%	—	0
Call · $390 Last $0.05 Breakeven $390.05 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this call Put · $390 In the money Last — Breakeven — Implied vol 56.4% Delta -0.985 ≈98% ITM Gamma 0.001 Theta -0.025 Vega 0.035 Open interest 0 Model this put

About this data

Greeks, implied volatility, open interest and the last price come from the latest daily snapshot and are 15-minute delayed. Bid and ask are not included on this plan.

In-the-money strikes are tinted, deepening toward the money, and the bar beside each open-interest figure scales to the heaviest strike shown. Max pain is the listed strike where the most open interest would expire worthless — a positioning reference, not a forecast.

Key facts CIK 49826 CUSIP 452308109 13F (30d) 617 filings 606 filers Visit website Investor relations