ECL · Ecolab Inc.

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$285.47 +2.33 (+0.82%) At close · Aug 5

Market Cap

$80.34B

281.44M

Options Chain

15-min delayed Underlying $285.47 · at close Aug 5, 2026 Options Calculator

Positioning

Aug 21, 2026 · 15 days to expiry · 58 contracts

Put / call OI

1.30

Balanced positioning

Open interest

6,793

contracts outstanding

Volume

333

traded today

Max pain

$280.00

$5.47 below spot

ATM implied vol

27.5%

market's expected move

Open interest by strike · near the money

Calls Puts

165

170

175

180

185

190

195

200

210

220

230

240

250

260

270

280

290

300

310

320

330

340

350

360

370

380

390

400

410

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 15d Sep 18 43d Oct 16 71d Dec 18 134d Jan 15 162d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	—	—	—		$0.14	—	—	1	1
Call · $165 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $165 Last $0.14 Breakeven $164.86 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this put
0	—	—	—	—		$0.05	—	—	1	1
Call · $170 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $170 Last $0.05 Breakeven $169.95 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $175 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $175 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $180 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $180 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $185 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $185 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $190 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $190 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $195 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $195 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		$0.26	-0.021	91.3%	1	104
Call · $200 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $200 Last $0.26 Breakeven $199.74 Implied vol 91.3% Delta -0.021 ≈2% ITM Gamma 0.001 Theta -0.087 Vega 0.025 Open interest 104 Model this put
0	—	—	—	—		—	-0.038	90.7%	—	0
Call · $210 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $210 Last — Breakeven — Implied vol 90.7% Delta -0.038 ≈4% ITM Gamma 0.002 Theta -0.142 Vega 0.051 Open interest 0 Model this put
0	—	—	—	—		$0.90	-0.051	84.7%	4	4
Call · $220 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $220 Last $0.90 Breakeven $219.10 Implied vol 84.7% Delta -0.051 ≈5% ITM Gamma 0.002 Theta -0.171 Vega 0.052 Open interest 4 Model this put
0	—	—	—	—		$0.18	-0.012	49.6%	2	15
Call · $230 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $230 Last $0.18 Breakeven $229.82 Implied vol 49.6% Delta -0.012 ≈1% ITM Gamma 0.001 Theta -0.029 Vega 0.026 Open interest 15 Model this put
0	—	—	—	—		$0.30	-0.034	49.7%	135	1.5k
Call · $240 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $240 Last $0.30 Breakeven $239.70 Implied vol 49.7% Delta -0.034 ≈3% ITM Gamma 0.003 Theta -0.071 Vega 0.054 Open interest 1.5k Model this put
2	1	—	—	$35.00		$0.23	-0.081	50.2%	1	117
Call · $250 In the money Last $35.00 Breakeven $285.00 Implied vol — Delta — Gamma — Theta — Vega — Open interest 2 Model this call Put · $250 Last $0.23 Breakeven $249.77 Implied vol 50.2% Delta -0.081 ≈8% ITM Gamma 0.005 Theta -0.143 Vega 0.096 Open interest 117 Model this put
14	1	—	—	$15.65		$0.82	-0.082	35.7%	1	96
Call · $260 In the money Last $15.65 Breakeven $275.65 Implied vol — Delta — Gamma — Theta — Vega — Open interest 14 Model this call Put · $260 Last $0.82 Breakeven $259.18 Implied vol 35.7% Delta -0.082 ≈8% ITM Gamma 0.007 Theta -0.101 Vega 0.097 Open interest 96 Model this put
401	1	—	—	$16.00		$1.77	-0.127	27.3%	1	1.6k
Call · $270 In the money Last $16.00 Breakeven $286.00 Implied vol — Delta — Gamma — Theta — Vega — Open interest 401 Model this call Put · $270 Last $1.77 Breakeven $268.23 Implied vol 27.3% Delta -0.127 ≈13% ITM Gamma 0.013 Theta -0.107 Vega 0.149 Open interest 1.6k Model this put
493	6	22.3%	0.719	$8.10		$4.30	-0.314	27.2%	1	232
Call · $280 In the money Last $8.10 Breakeven $288.10 Implied vol 22.3% Delta 0.719 ≈72% ITM Gamma 0.026 Theta -0.158 Vega 0.2 Open interest 493 Model this call Put · $280 Last $4.30 Breakeven $275.70 Implied vol 27.2% Delta -0.314 ≈31% ITM Gamma 0.022 Theta -0.18 Vega 0.201 Open interest 232 Model this put
Underlying $285.47
504	59	24.6%	0.437	$3.50		$14.90	-0.548	30.5%	102	202
Call · $290 Last $3.50 Breakeven $293.50 Implied vol 24.6% Delta 0.437 ≈44% ITM Gamma 0.027 Theta -0.194 Vega 0.237 Open interest 504 Model this call Put · $290 In the money Last $14.90 Breakeven $275.10 Implied vol 30.5% Delta -0.548 ≈55% ITM Gamma 0.022 Theta -0.221 Vega 0.236 Open interest 202 Model this put
1k	4	22.4%	0.181	$1.45		$29.55	-0.718	34.6%	2	2
Call · $300 Last $1.45 Breakeven $301.45 Implied vol 22.4% Delta 0.181 ≈18% ITM Gamma 0.02 Theta -0.116 Vega 0.164 Open interest 1k Model this call Put · $300 In the money Last $29.55 Breakeven $270.45 Implied vol 34.6% Delta -0.718 ≈72% ITM Gamma 0.017 Theta -0.21 Vega 0.21 Open interest 2 Model this put
354	3	30%	0.116	$0.56		—	-0.819	39.1%	—	0
Call · $310 Last $0.56 Breakeven $310.56 Implied vol 30% Delta 0.116 ≈12% ITM Gamma 0.011 Theta -0.114 Vega 0.111 Open interest 354 Model this call Put · $310 In the money Last — Breakeven — Implied vol 39.1% Delta -0.819 ≈82% ITM Gamma 0.012 Theta -0.182 Vega 0.163 Open interest 0 Model this put
142	2	28.7%	0.034	$0.38		—	-0.861	47.3%	—	0
Call · $320 Last $0.38 Breakeven $320.38 Implied vol 28.7% Delta 0.034 ≈3% ITM Gamma 0.004 Theta -0.042 Vega 0.033 Open interest 142 Model this call Put · $320 In the money Last — Breakeven — Implied vol 47.3% Delta -0.861 ≈86% ITM Gamma 0.008 Theta -0.188 Vega 0.11 Open interest 0 Model this put
6	1	38.2%	0.041	$0.05		$67.50	-0.874	56.6%	1	0
Call · $330 Last $0.05 Breakeven $330.05 Implied vol 38.2% Delta 0.041 ≈4% ITM Gamma 0.004 Theta -0.065 Vega 0.067 Open interest 6 Model this call Put · $330 In the money Last $67.50 Breakeven $262.50 Implied vol 56.6% Delta -0.874 ≈87% ITM Gamma 0.006 Theta -0.208 Vega 0.112 Open interest 0 Model this put
1	1	45.5%	0.038	$0.70		—	-0.889	64.1%	—	0
Call · $340 Last $0.70 Breakeven $340.70 Implied vol 45.5% Delta 0.038 ≈4% ITM Gamma 0.003 Theta -0.072 Vega 0.067 Open interest 1 Model this call Put · $340 In the money Last — Breakeven — Implied vol 64.1% Delta -0.889 ≈89% ITM Gamma 0.005 Theta -0.215 Vega 0.113 Open interest 0 Model this put
1	1	51.8%	0.034	$0.60		—	-0.915	68%	—	0
Call · $350 Last $0.60 Breakeven $350.60 Implied vol 51.8% Delta 0.034 ≈3% ITM Gamma 0.002 Theta -0.076 Vega 0.034 Open interest 1 Model this call Put · $350 In the money Last — Breakeven — Implied vol 68% Delta -0.915 ≈91% ITM Gamma 0.004 Theta -0.187 Vega 0.112 Open interest 0 Model this put
0	—	57.4%	0.031	—		—	-0.919	76%	—	0
Call · $360 Last — Breakeven — Implied vol 57.4% Delta 0.031 ≈3% ITM Gamma 0.002 Theta -0.077 Vega 0.034 Open interest 0 Model this call Put · $360 In the money Last — Breakeven — Implied vol 76% Delta -0.919 ≈92% ITM Gamma 0.004 Theta -0.202 Vega 0.111 Open interest 0 Model this put
0	—	63.5%	0.03	—		—	-0.926	82.1%	—	0
Call · $370 Last — Breakeven — Implied vol 63.5% Delta 0.03 ≈3% ITM Gamma 0.002 Theta -0.083 Vega 0.035 Open interest 0 Model this call Put · $370 In the money Last — Breakeven — Implied vol 82.1% Delta -0.926 ≈93% ITM Gamma 0.003 Theta -0.203 Vega 0.068 Open interest 0 Model this put
0	—	68.8%	0.028	—		—	-0.921	92.5%	—	0
Call · $380 Last — Breakeven — Implied vol 68.8% Delta 0.028 ≈3% ITM Gamma 0.002 Theta -0.084 Vega 0.035 Open interest 0 Model this call Put · $380 In the money Last — Breakeven — Implied vol 92.5% Delta -0.921 ≈92% ITM Gamma 0.003 Theta -0.245 Vega 0.069 Open interest 0 Model this put
0	—	73.9%	0.026	—		—	-0.922	99.8%	—	0
Call · $390 Last — Breakeven — Implied vol 73.9% Delta 0.026 ≈3% ITM Gamma 0.001 Theta -0.085 Vega 0.036 Open interest 0 Model this call Put · $390 In the money Last — Breakeven — Implied vol 99.8% Delta -0.922 ≈92% ITM Gamma 0.003 Theta -0.262 Vega 0.07 Open interest 0 Model this put
0	—	78.9%	0.025	—		—	-0.919	109%	—	0
Call · $400 Last — Breakeven — Implied vol 78.9% Delta 0.025 ≈2% ITM Gamma 0.001 Theta -0.087 Vega 0.036 Open interest 0 Model this call Put · $400 In the money Last — Breakeven — Implied vol 109% Delta -0.919 ≈92% ITM Gamma 0.002 Theta -0.297 Vega 0.071 Open interest 0 Model this put
0	—	83.8%	0.023	—		—	-0.926	112.5%	—	0
Call · $410 Last — Breakeven — Implied vol 83.8% Delta 0.023 ≈2% ITM Gamma 0.001 Theta -0.088 Vega 0.037 Open interest 0 Model this call Put · $410 In the money Last — Breakeven — Implied vol 112.5% Delta -0.926 ≈93% ITM Gamma 0.002 Theta -0.283 Vega 0.071 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. The 25 strikes around the money are shown by default — switch to "All 29" for the wings. Max pain is the listed strike where the most open interest would expire worthless — a positioning reference, not a forecast.

Key facts CIK 31462 CUSIP 278865100 13F (30d) 901 filings 857 filers Visit website Investor relations