STN · Stantec Inc

Track STN — free Ask ALVIS about STN

$70.59 +3.11 (+4.61%) At close · Jul 27

Market Cap

$7.69B

114.07M

Options Chain

15-min delayed Underlying $70.59 · at close Jul 27, 2026 Options Calculator

Positioning

Aug 21, 2026 · 24 days to expiry · 38 contracts

Put / call OI

0.30

Call-heavy positioning

Open interest

240

contracts outstanding

Volume

141

traded today

Max pain

$75.00

$4.41 above spot

ATM implied vol

51%

market's expected move

Open interest by strike

Calls Puts

100

105

110

115

120

125

130

135

140

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 24d Sep 18 52d Nov 20 115d Feb 19 206d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	—	—	—		$0.78	-0.049	93.3%	1	1
Call · $50 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $50 Last $0.78 Breakeven $49.22 Implied vol 93.3% Delta -0.049 ≈5% ITM Gamma 0.006 Theta -0.036 Vega 0.016 Open interest 1 Model this put
0	—	—	—	—		$0.45	-0.057	71.2%	2	3
Call · $55 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $55 Last $0.45 Breakeven $54.55 Implied vol 71.2% Delta -0.057 ≈6% ITM Gamma 0.009 Theta -0.031 Vega 0.028 Open interest 3 Model this put
6	4	—	—	$10.00		—	-0.108	61.8%	—	0
Call · $60 In the money Last $10.00 Breakeven $70.00 Implied vol — Delta — Gamma — Theta — Vega — Open interest 6 Model this call Put · $60 Last — Breakeven — Implied vol 61.8% Delta -0.108 ≈11% ITM Gamma 0.016 Theta -0.044 Vega 0.03 Open interest 0 Model this put
1	1	—	—	$5.57		$1.70	-0.217	56.8%	34	34
Call · $65 In the money Last $5.57 Breakeven $70.57 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this call Put · $65 Last $1.70 Breakeven $63.30 Implied vol 56.8% Delta -0.217 ≈22% ITM Gamma 0.028 Theta -0.063 Vega 0.061 Open interest 34 Model this put
0	3	48.6%	0.617	$2.80		$2.68	-0.389	53.4%	1	1
Call · $70 In the money Last $2.80 Breakeven $72.80 Implied vol 48.6% Delta 0.617 ≈62% ITM Gamma 0.042 Theta -0.073 Vega 0.073 Open interest 0 Model this call Put · $70 Last $2.68 Breakeven $67.32 Implied vol 53.4% Delta -0.389 ≈39% ITM Gamma 0.039 Theta -0.076 Vega 0.073 Open interest 1 Model this put
Underlying $70.59
7	1	43.6%	0.384	$1.12		$5.20	-0.561	64.2%	1	5
Call · $75 Last $1.12 Breakeven $76.12 Implied vol 43.6% Delta 0.384 ≈38% ITM Gamma 0.048 Theta -0.066 Vega 0.076 Open interest 7 Model this call Put · $75 In the money Last $5.20 Breakeven $69.80 Implied vol 64.2% Delta -0.561 ≈56% ITM Gamma 0.033 Theta -0.094 Vega 0.075 Open interest 5 Model this put
9	1	51.6%	0.238	$0.20		—	-0.644	83.8%	—	0
Call · $80 Last $0.20 Breakeven $80.20 Implied vol 51.6% Delta 0.238 ≈24% ITM Gamma 0.033 Theta -0.062 Vega 0.053 Open interest 9 Model this call Put · $80 In the money Last — Breakeven — Implied vol 83.8% Delta -0.644 ≈64% ITM Gamma 0.024 Theta -0.116 Vega 0.068 Open interest 0 Model this put
4	1	47.1%	0.099	$0.15		$11.66	-0.78	73.2%	1	1
Call · $85 Last $0.15 Breakeven $85.15 Implied vol 47.1% Delta 0.099 ≈10% ITM Gamma 0.02 Theta -0.032 Vega 0.036 Open interest 4 Model this call Put · $85 In the money Last $11.66 Breakeven $73.34 Implied vol 73.2% Delta -0.78 ≈78% ITM Gamma 0.022 Theta -0.079 Vega 0.054 Open interest 1 Model this put
11	2	103%	0.244	$1.25		$23.00	-0.807	87.6%	1	5
Call · $90 Last $1.25 Breakeven $91.25 Implied vol 103% Delta 0.244 ≈24% ITM Gamma 0.016 Theta -0.125 Vega 0.055 Open interest 11 Model this call Put · $90 In the money Last $23.00 Breakeven $67.00 Implied vol 87.6% Delta -0.807 ≈81% ITM Gamma 0.017 Theta -0.087 Vega 0.055 Open interest 5 Model this put
96	69	63.7%	0.056	$0.10		$6.00	-0.825	101.2%	5	5
Call · $95 Last $0.10 Breakeven $95.10 Implied vol 63.7% Delta 0.056 ≈6% ITM Gamma 0.009 Theta -0.028 Vega 0.022 Open interest 96 Model this call Put · $95 In the money Last $6.00 Breakeven $89.00 Implied vol 101.2% Delta -0.825 ≈82% ITM Gamma 0.014 Theta -0.096 Vega 0.056 Open interest 5 Model this put
10	2	76.3%	0.06	$0.10		$10.63	-0.838	113.4%	2	0
Call · $100 Last $0.10 Breakeven $100.10 Implied vol 76.3% Delta 0.06 ≈6% ITM Gamma 0.008 Theta -0.035 Vega 0.023 Open interest 10 Model this call Put · $100 In the money Last $10.63 Breakeven $89.37 Implied vol 113.4% Delta -0.838 ≈84% ITM Gamma 0.012 Theta -0.103 Vega 0.039 Open interest 0 Model this put
2	2	139.7%	0.194	$0.20		—	-0.847	123.3%	—	0
Call · $105 Last $0.20 Breakeven $105.20 Implied vol 139.7% Delta 0.194 ≈19% ITM Gamma 0.011 Theta -0.148 Vega 0.059 Open interest 2 Model this call Put · $105 In the money Last — Breakeven — Implied vol 123.3% Delta -0.847 ≈85% ITM Gamma 0.01 Theta -0.106 Vega 0.039 Open interest 0 Model this put
2	1	—	—	$0.75		—	-0.855	132.8%	—	0
Call · $110 Last $0.75 Breakeven $110.75 Implied vol — Delta — Gamma — Theta — Vega — Open interest 2 Model this call Put · $110 In the money Last — Breakeven — Implied vol 132.8% Delta -0.855 ≈86% ITM Gamma 0.009 Theta -0.11 Vega 0.04 Open interest 0 Model this put
1	1	—	—	$3.00		—	-0.862	141.9%	—	0
Call · $115 Last $3.00 Breakeven $118.00 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this call Put · $115 In the money Last — Breakeven — Implied vol 141.9% Delta -0.862 ≈86% ITM Gamma 0.008 Theta -0.113 Vega 0.041 Open interest 0 Model this put
36	5	—	—	$0.06		—	-0.867	150.6%	—	0
Call · $120 Last $0.06 Breakeven $120.06 Implied vol — Delta — Gamma — Theta — Vega — Open interest 36 Model this call Put · $120 In the money Last — Breakeven — Implied vol 150.6% Delta -0.867 ≈87% ITM Gamma 0.008 Theta -0.116 Vega 0.042 Open interest 0 Model this put
0	—	—	—	—		—	-0.872	158.9%	—	0
Call · $125 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $125 In the money Last — Breakeven — Implied vol 158.9% Delta -0.872 ≈87% ITM Gamma 0.007 Theta -0.12 Vega 0.042 Open interest 0 Model this put
0	—	—	—	—		—	-0.876	166.9%	—	0
Call · $130 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $130 In the money Last — Breakeven — Implied vol 166.9% Delta -0.876 ≈88% ITM Gamma 0.007 Theta -0.123 Vega 0.043 Open interest 0 Model this put
0	—	—	—	—		—	-0.88	174.7%	—	0
Call · $135 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $135 In the money Last — Breakeven — Implied vol 174.7% Delta -0.88 ≈88% ITM Gamma 0.006 Theta -0.126 Vega 0.044 Open interest 0 Model this put
0	—	—	—	—		—	-0.883	182.1%	—	0
Call · $140 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $140 In the money Last — Breakeven — Implied vol 182.1% Delta -0.883 ≈88% ITM Gamma 0.006 Theta -0.13 Vega 0.044 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 1131383 CUSIP 85472N109 13F (30d) 49 filings 47 filers Visit website Investor relations