WFG · West Fraser Timber Co., Ltd

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$67.44 +1.24 (+1.87%) At close · Jul 28

Market Cap

$5.28B

78.30M

Options Chain

15-min delayed Underlying $67.44 · at close Jul 28, 2026 Options Calculator

Positioning

Aug 21, 2026 · 23 days to expiry · 32 contracts

Put / call OI

1.21

Balanced positioning

Open interest

contracts outstanding

Volume

traded today

Max pain

$70.00

$2.56 above spot

ATM implied vol

38.4%

market's expected move

Open interest by strike

Calls Puts

100

105

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 23d Sep 18 51d Nov 20 114d Dec 18 142d Jan 15 170d Feb 19 205d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	142%	0.993	—		—	—	—	—	0
Call · $30 In the money Last — Breakeven — Implied vol 142% Delta 0.993 ≈99% ITM Gamma 0.001 Theta -0.01 Vega 0.002 Open interest 0 Model this call Put · $30 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	148.8%	0.973	—		—	-0.033	158.5%	—	0
Call · $35 In the money Last — Breakeven — Implied vol 148.8% Delta 0.973 ≈97% ITM Gamma 0.002 Theta -0.033 Vega 0.012 Open interest 0 Model this call Put · $35 Last — Breakeven — Implied vol 158.5% Delta -0.033 ≈3% ITM Gamma 0.003 Theta -0.043 Vega 0.012 Open interest 0 Model this put
0	—	92%	0.991	—		—	-0.032	121.5%	—	0
Call · $40 In the money Last — Breakeven — Implied vol 92% Delta 0.991 ≈99% ITM Gamma 0.001 Theta -0.008 Vega 0.003 Open interest 0 Model this call Put · $40 Last — Breakeven — Implied vol 121.5% Delta -0.032 ≈3% ITM Gamma 0.003 Theta -0.031 Vega 0.013 Open interest 0 Model this put
0	—	96.9%	0.961	—		$0.45	-0.05	106.7%	1	3
Call · $45 In the money Last — Breakeven — Implied vol 96.9% Delta 0.961 ≈96% ITM Gamma 0.005 Theta -0.03 Vega 0.014 Open interest 0 Model this call Put · $45 Last $0.45 Breakeven $44.55 Implied vol 106.7% Delta -0.05 ≈5% ITM Gamma 0.006 Theta -0.04 Vega 0.014 Open interest 3 Model this put
0	1	75.1%	0.952	$22.45		$1.15	-0.062	83.1%	1	3
Call · $50 In the money Last $22.45 Breakeven $72.45 Implied vol 75.1% Delta 0.952 ≈95% ITM Gamma 0.008 Theta -0.028 Vega 0.015 Open interest 0 Model this call Put · $50 Last $1.15 Breakeven $48.85 Implied vol 83.1% Delta -0.062 ≈6% ITM Gamma 0.009 Theta -0.037 Vega 0.026 Open interest 3 Model this put
1	1	55.2%	0.938	$6.81		$0.80	-0.131	79.2%	1	5
Call · $55 In the money Last $6.81 Breakeven $61.81 Implied vol 55.2% Delta 0.938 ≈94% ITM Gamma 0.013 Theta -0.026 Vega 0.027 Open interest 1 Model this call Put · $55 Last $0.80 Breakeven $54.20 Implied vol 79.2% Delta -0.131 ≈13% ITM Gamma 0.016 Theta -0.061 Vega 0.041 Open interest 5 Model this put
3	3	49.1%	0.841	$10.68		$0.70	-0.18	54.9%	1	11
Call · $60 In the money Last $10.68 Breakeven $70.68 Implied vol 49.1% Delta 0.841 ≈84% ITM Gamma 0.029 Theta -0.045 Vega 0.042 Open interest 3 Model this call Put · $60 Last $0.70 Breakeven $59.30 Implied vol 54.9% Delta -0.18 ≈18% ITM Gamma 0.028 Theta -0.052 Vega 0.043 Open interest 11 Model this put
1	1	38.2%	0.67	$3.10		$1.45	-0.331	38.7%	1	1
Call · $65 In the money Last $3.10 Breakeven $68.10 Implied vol 38.2% Delta 0.67 ≈67% ITM Gamma 0.056 Theta -0.053 Vega 0.058 Open interest 1 Model this call Put · $65 Last $1.45 Breakeven $63.55 Implied vol 38.7% Delta -0.331 ≈33% ITM Gamma 0.056 Theta -0.051 Vega 0.058 Open interest 1 Model this put
Underlying $67.44
8	1	36.6%	0.365	$3.70		$3.50	-0.635	36.8%	1	18
Call · $70 Last $3.70 Breakeven $73.70 Implied vol 36.6% Delta 0.365 ≈37% ITM Gamma 0.061 Theta -0.052 Vega 0.061 Open interest 8 Model this call Put · $70 In the money Last $3.50 Breakeven $66.50 Implied vol 36.8% Delta -0.635 ≈63% ITM Gamma 0.061 Theta -0.049 Vega 0.061 Open interest 18 Model this put
11	1	46.9%	0.206	$2.20		$15.26	-0.86	37.6%	1	0
Call · $75 Last $2.20 Breakeven $77.20 Implied vol 46.9% Delta 0.206 ≈21% ITM Gamma 0.036 Theta -0.049 Vega 0.048 Open interest 11 Model this call Put · $75 In the money Last $15.26 Breakeven $59.74 Implied vol 37.6% Delta -0.86 ≈86% ITM Gamma 0.036 Theta -0.028 Vega 0.032 Open interest 0 Model this put
9	1	52.2%	0.113	$0.81		$11.19	-0.918	47.1%	4	0
Call · $80 Last $0.81 Breakeven $80.81 Implied vol 52.2% Delta 0.113 ≈11% ITM Gamma 0.021 Theta -0.037 Vega 0.033 Open interest 9 Model this call Put · $80 In the money Last $11.19 Breakeven $68.81 Implied vol 47.1% Delta -0.918 ≈92% ITM Gamma 0.02 Theta -0.023 Vega 0.031 Open interest 0 Model this put
1	1	65.3%	0.095	$0.70		$12.25	-0.924	61.9%	4	0
Call · $85 Last $0.70 Breakeven $85.70 Implied vol 65.3% Delta 0.095 ≈9% ITM Gamma 0.015 Theta -0.04 Vega 0.034 Open interest 1 Model this call Put · $85 In the money Last $12.25 Breakeven $72.75 Implied vol 61.9% Delta -0.924 ≈92% ITM Gamma 0.014 Theta -0.03 Vega 0.019 Open interest 0 Model this put
0	—	75.4%	0.078	—		—	-0.94	69.9%	—	0
Call · $90 Last — Breakeven — Implied vol 75.4% Delta 0.078 ≈8% ITM Gamma 0.011 Theta -0.04 Vega 0.02 Open interest 0 Model this call Put · $90 In the money Last — Breakeven — Implied vol 69.9% Delta -0.94 ≈94% ITM Gamma 0.011 Theta -0.027 Vega 0.02 Open interest 0 Model this put
0	—	85.1%	0.07	—		—	-0.939	82.5%	—	0
Call · $95 Last — Breakeven — Implied vol 85.1% Delta 0.07 ≈7% ITM Gamma 0.009 Theta -0.042 Vega 0.021 Open interest 0 Model this call Put · $95 In the money Last — Breakeven — Implied vol 82.5% Delta -0.939 ≈94% ITM Gamma 0.009 Theta -0.033 Vega 0.02 Open interest 0 Model this put
0	—	—	—	—		—	-0.944	92%	—	0
Call · $100 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $100 In the money Last — Breakeven — Implied vol 92% Delta -0.944 ≈94% ITM Gamma 0.008 Theta -0.034 Vega 0.02 Open interest 0 Model this put
0	—	—	—	—		—	-0.953	98.7%	—	0
Call · $105 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $105 In the money Last — Breakeven — Implied vol 98.7% Delta -0.953 ≈95% ITM Gamma 0.006 Theta -0.031 Vega 0.02 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 1402388 CUSIP 952845105 13F (30d) 14 filings 14 filers Visit website Investor relations