EFXT · Enerflex Ltd.

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$21.69 -0.80 (-3.56%) At close · Jul 28

Market Cap

$2.65B

122.07M

Options Chain

15-min delayed Underlying $21.69 · today Options Calculator

Positioning

Aug 21, 2026 · 23 days to expiry · 26 contracts

Put / call OI

0.01

Call-heavy positioning

Open interest

642

contracts outstanding

Volume

traded today

Max pain

$5.00

$16.69 below spot

ATM implied vol

51%

market's expected move

Open interest by strike

Calls Puts

2.5

7.5

12.5

17.5

22.5

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

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

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
3	3	552.3%	0.988	$20.02		—	—	—	—	0
Call · $2.5 In the money Last $20.02 Breakeven $22.52 Implied vol 552.3% Delta 0.988 ≈99% ITM Gamma 0.001 Theta -0.021 Vega 0.001 Open interest 3 Model this call Put · $2.5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
3	2	388.3%	0.977	$18.82		—	—	—	—	0
Call · $5 In the money Last $18.82 Breakeven $23.82 Implied vol 388.3% Delta 0.977 ≈98% ITM Gamma 0.003 Theta -0.025 Vega 0.002 Open interest 3 Model this call Put · $5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	270.2%	0.971	—		—	—	—	—	0
Call · $7.5 In the money Last — Breakeven — Implied vol 270.2% Delta 0.971 ≈97% ITM Gamma 0.004 Theta -0.021 Vega 0.003 Open interest 0 Model this call Put · $7.5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	204%	0.961	—		—	—	—	—	0
Call · $10 In the money Last — Breakeven — Implied vol 204% Delta 0.961 ≈96% ITM Gamma 0.007 Theta -0.021 Vega 0.004 Open interest 0 Model this call Put · $10 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	5	151%	0.949	$6.05		—	—	—	—	0
Call · $12.5 In the money Last $6.05 Breakeven $18.55 Implied vol 151% Delta 0.949 ≈95% ITM Gamma 0.013 Theta -0.019 Vega 0.007 Open interest 0 Model this call Put · $12.5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
5	5	113.5%	0.922	$7.20		—	-0.103	133.5%	—	0
Call · $15 In the money Last $7.20 Breakeven $22.20 Implied vol 113.5% Delta 0.922 ≈92% ITM Gamma 0.023 Theta -0.02 Vega 0.008 Open interest 5 Model this call Put · $15 Last — Breakeven — Implied vol 133.5% Delta -0.103 ≈10% ITM Gamma 0.025 Theta -0.028 Vega 0.012 Open interest 0 Model this put
10	1	107%	0.823	$9.48		$1.45	-0.075	61.9%	2	5
Call · $17.5 In the money Last $9.48 Breakeven $26.98 Implied vol 107% Delta 0.823 ≈82% ITM Gamma 0.044 Theta -0.034 Vega 0.013 Open interest 10 Model this call Put · $17.5 Last $1.45 Breakeven $16.05 Implied vol 61.9% Delta -0.075 ≈7% ITM Gamma 0.041 Theta -0.01 Vega 0.009 Open interest 5 Model this put
15	4	66.1%	0.715	$6.28		—	-0.341	135.9%	—	0
Call · $20 In the money Last $6.28 Breakeven $26.28 Implied vol 66.1% Delta 0.715 ≈72% ITM Gamma 0.093 Theta -0.027 Vega 0.018 Open interest 15 Model this call Put · $20 Last — Breakeven — Implied vol 135.9% Delta -0.341 ≈34% ITM Gamma 0.049 Theta -0.058 Vega 0.021 Open interest 0 Model this put
Underlying $21.69
46	2	63.2%	0.444	$4.32		—	-0.626	38.8%	—	0
Call · $22.5 Last $4.32 Breakeven $26.82 Implied vol 63.2% Delta 0.444 ≈44% ITM Gamma 0.113 Theta -0.03 Vega 0.022 Open interest 46 Model this call Put · $22.5 In the money Last — Breakeven — Implied vol 38.8% Delta -0.626 ≈63% ITM Gamma 0.182 Theta -0.016 Vega 0.02 Open interest 0 Model this put
369	9	66.1%	0.227	$1.00		—	—	—	—	0
Call · $25 Last $1.00 Breakeven $26.00 Implied vol 66.1% Delta 0.227 ≈23% ITM Gamma 0.083 Theta -0.024 Vega 0.016 Open interest 369 Model this call Put · $25 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
164	1	87%	0.086	$0.10		—	—	—	—	0
Call · $30 Last $0.10 Breakeven $30.10 Implied vol 87% Delta 0.086 ≈9% ITM Gamma 0.033 Theta -0.016 Vega 0.012 Open interest 164 Model this call Put · $30 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
22	3	144.5%	0.134	$0.34		—	—	—	—	0
Call · $35 Last $0.34 Breakeven $35.34 Implied vol 144.5% Delta 0.134 ≈13% ITM Gamma 0.027 Theta -0.036 Vega 0.012 Open interest 22 Model this call Put · $35 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	168%	0.11	—		—	—	—	—	0
Call · $40 Last — Breakeven — Implied vol 168% Delta 0.11 ≈11% ITM Gamma 0.02 Theta -0.037 Vega 0.013 Open interest 0 Model this call Put · $40 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 1904856 CUSIP 29269R105 13F (30d) 22 filings 22 filers Visit website Investor relations