STE · STERIS plc

Track STE — free Ask ALVIS about STE

$214.13 +3.49 (+1.66%) At close · Jul 24

Market Cap

$20.89B

97.60M

Options Chain

15-min delayed Underlying $214.13 · today Options Calculator

Positioning

Aug 21, 2026 · 26 days to expiry · 50 contracts

Put / call OI

0.16

Call-heavy positioning

Open interest

178

contracts outstanding

Volume

traded today

Max pain

$210.00

$4.13 below spot

ATM implied vol

34.6%

market's expected move

Open interest by strike

Calls Puts

135

140

145

150

155

160

165

170

175

180

185

190

195

200

210

220

230

240

250

260

270

280

290

300

310

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 26d Sep 18 54d Dec 18 145d Mar 19 236d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	94.4%	0.975	—		—	—	—	—	0
Call · $135 In the money Last — Breakeven — Implied vol 94.4% Delta 0.975 ≈97% ITM Gamma 0.001 Theta -0.065 Vega 0.046 Open interest 0 Model this call Put · $135 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	87.4%	0.974	—		—	—	—	—	0
Call · $140 In the money Last — Breakeven — Implied vol 87.4% Delta 0.974 ≈97% ITM Gamma 0.001 Theta -0.063 Vega 0.047 Open interest 0 Model this call Put · $140 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	80.6%	0.972	—		—	—	—	—	0
Call · $145 In the money Last — Breakeven — Implied vol 80.6% Delta 0.972 ≈97% ITM Gamma 0.001 Theta -0.062 Vega 0.048 Open interest 0 Model this call Put · $145 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	76.2%	0.967	—		—	-0.024	71.6%	—	0
Call · $150 In the money Last — Breakeven — Implied vol 76.2% Delta 0.967 ≈97% ITM Gamma 0.002 Theta -0.067 Vega 0.048 Open interest 0 Model this call Put · $150 Last — Breakeven — Implied vol 71.6% Delta -0.024 ≈2% ITM Gamma 0.001 Theta -0.044 Vega 0.024 Open interest 0 Model this put
0	—	69.9%	0.965	—		—	-0.029	67.3%	—	0
Call · $155 In the money Last — Breakeven — Implied vol 69.9% Delta 0.965 ≈96% ITM Gamma 0.002 Theta -0.065 Vega 0.049 Open interest 0 Model this call Put · $155 Last — Breakeven — Implied vol 67.3% Delta -0.029 ≈3% ITM Gamma 0.002 Theta -0.048 Vega 0.049 Open interest 0 Model this put
0	—	63.8%	0.963	—		—	-0.029	60.5%	—	0
Call · $160 In the money Last — Breakeven — Implied vol 63.8% Delta 0.963 ≈96% ITM Gamma 0.002 Theta -0.064 Vega 0.05 Open interest 0 Model this call Put · $160 Last — Breakeven — Implied vol 60.5% Delta -0.029 ≈3% ITM Gamma 0.002 Theta -0.043 Vega 0.05 Open interest 0 Model this put
0	—	64.7%	0.945	—		—	-0.032	54.9%	—	0
Call · $165 In the money Last — Breakeven — Implied vol 64.7% Delta 0.945 ≈95% ITM Gamma 0.003 Theta -0.087 Vega 0.051 Open interest 0 Model this call Put · $165 Last — Breakeven — Implied vol 54.9% Delta -0.032 ≈3% ITM Gamma 0.002 Theta -0.042 Vega 0.051 Open interest 0 Model this put
0	—	57%	0.945	—		—	-0.074	63.3%	—	0
Call · $170 In the money Last — Breakeven — Implied vol 57% Delta 0.945 ≈94% ITM Gamma 0.003 Theta -0.078 Vega 0.052 Open interest 0 Model this call Put · $170 Last — Breakeven — Implied vol 63.3% Delta -0.074 ≈7% ITM Gamma 0.004 Theta -0.095 Vega 0.089 Open interest 0 Model this put
0	—	54%	0.929	—		—	-0.053	49%	—	0
Call · $175 In the money Last — Breakeven — Implied vol 54% Delta 0.929 ≈93% ITM Gamma 0.004 Theta -0.088 Vega 0.091 Open interest 0 Model this call Put · $175 Last — Breakeven — Implied vol 49% Delta -0.053 ≈5% ITM Gamma 0.004 Theta -0.057 Vega 0.052 Open interest 0 Model this put
0	—	52.1%	0.905	—		—	-0.097	52.8%	—	0
Call · $180 In the money Last — Breakeven — Implied vol 52.1% Delta 0.905 ≈90% ITM Gamma 0.006 Theta -0.105 Vega 0.092 Open interest 0 Model this call Put · $180 Last — Breakeven — Implied vol 52.8% Delta -0.097 ≈10% ITM Gamma 0.006 Theta -0.097 Vega 0.092 Open interest 0 Model this put
0	—	49.2%	0.883	—		—	-0.081	40.7%	—	0
Call · $185 In the money Last — Breakeven — Implied vol 49.2% Delta 0.883 ≈88% ITM Gamma 0.007 Theta -0.116 Vega 0.14 Open interest 0 Model this call Put · $185 Last — Breakeven — Implied vol 40.7% Delta -0.081 ≈8% ITM Gamma 0.006 Theta -0.065 Vega 0.093 Open interest 0 Model this put
0	—	45.8%	0.85	—		$2.28	-0.136	43.3%	5	7
Call · $190 In the money Last — Breakeven — Implied vol 45.8% Delta 0.85 ≈85% ITM Gamma 0.009 Theta -0.126 Vega 0.142 Open interest 0 Model this call Put · $190 Last $2.28 Breakeven $187.72 Implied vol 43.3% Delta -0.136 ≈14% ITM Gamma 0.009 Theta -0.101 Vega 0.142 Open interest 7 Model this put
0	—	42.5%	0.812	—		—	-0.157	36.6%	—	0
Call · $195 In the money Last — Breakeven — Implied vol 42.5% Delta 0.812 ≈81% ITM Gamma 0.011 Theta -0.135 Vega 0.144 Open interest 0 Model this call Put · $195 Last — Breakeven — Implied vol 36.6% Delta -0.157 ≈16% ITM Gamma 0.011 Theta -0.093 Vega 0.144 Open interest 0 Model this put
0	—	40.7%	0.754	—		$4.06	-0.239	39.2%	5	8
Call · $200 In the money Last — Breakeven — Implied vol 40.7% Delta 0.754 ≈75% ITM Gamma 0.013 Theta -0.149 Vega 0.191 Open interest 0 Model this call Put · $200 Last $4.06 Breakeven $195.94 Implied vol 39.2% Delta -0.239 ≈24% ITM Gamma 0.014 Theta -0.13 Vega 0.191 Open interest 8 Model this put
17	6	35.5%	0.604	$8.56		$6.61	-0.393	33.6%	1	8
Call · $210 In the money Last $8.56 Breakeven $218.56 Implied vol 35.5% Delta 0.604 ≈60% ITM Gamma 0.019 Theta -0.157 Vega 0.226 Open interest 17 Model this call Put · $210 Last $6.61 Breakeven $203.39 Implied vol 33.6% Delta -0.393 ≈39% ITM Gamma 0.02 Theta -0.136 Vega 0.226 Open interest 8 Model this put
Underlying $214.13
26	1	33.8%	0.406	$6.80		$8.00	-0.605	31.5%	1	1
Call · $220 Last $6.80 Breakeven $226.80 Implied vol 33.8% Delta 0.406 ≈41% ITM Gamma 0.02 Theta -0.149 Vega 0.233 Open interest 26 Model this call Put · $220 In the money Last $8.00 Breakeven $212.00 Implied vol 31.5% Delta -0.605 ≈61% ITM Gamma 0.022 Theta -0.126 Vega 0.232 Open interest 1 Model this put
110	1	31.5%	0.217	$2.25		—	-0.822	27.7%	—	0
Call · $230 Last $2.25 Breakeven $232.25 Implied vol 31.5% Delta 0.217 ≈22% ITM Gamma 0.016 Theta -0.104 Vega 0.161 Open interest 110 Model this call Put · $230 In the money Last — Breakeven — Implied vol 27.7% Delta -0.822 ≈82% ITM Gamma 0.017 Theta -0.069 Vega 0.158 Open interest 0 Model this put
0	—	27.6%	0.068	—		—	—	—	—	0
Call · $240 Last — Breakeven — Implied vol 27.6% Delta 0.068 ≈7% ITM Gamma 0.008 Theta -0.041 Vega 0.065 Open interest 0 Model this call Put · $240 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	34%	0.052	—		—	—	—	—	0
Call · $250 Last — Breakeven — Implied vol 34% Delta 0.052 ≈5% ITM Gamma 0.005 Theta -0.04 Vega 0.066 Open interest 0 Model this call Put · $250 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
1	1	41%	0.044	$0.20		—	—	—	—	0
Call · $260 Last $0.20 Breakeven $260.20 Implied vol 41% Delta 0.044 ≈4% ITM Gamma 0.004 Theta -0.042 Vega 0.067 Open interest 1 Model this call Put · $260 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $270 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $270 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		$69.00	—	—	1	0
Call · $280 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $280 In the money Last $69.00 Breakeven $211.00 Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $290 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $290 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $300 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $300 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $310 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $310 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — 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 1757898 CUSIP G8473T100 13F (30d) 181 filings 181 filers Visit website Investor relations