DSGX · Descartes Systems Group Inc

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$79.57 +1.79 (+2.30%) At close · Aug 7

Market Cap

$6.82B

85.69M

Options Chain

15-min delayed Underlying $79.57 · at close Aug 7, 2026 Options Calculator

Positioning

Aug 21, 2026 · 13 days to expiry · 28 contracts

Put / call OI

2.56

Put-heavy positioning

Open interest

128

contracts outstanding

Volume

traded today

Max pain

$75.00

$4.57 below spot

ATM implied vol

47.3%

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 13d Sep 18 41d Dec 18 132d Mar 19 223d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	—	—	—		—	-0.029	213.2%	—	0
Call · $40 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $40 Last — Breakeven — Implied vol 213.2% Delta -0.029 ≈3% ITM Gamma 0.002 Theta -0.079 Vega 0.011 Open interest 0 Model this put
0	—	—	—	—		—	-0.034	181%	—	0
Call · $45 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $45 Last — Breakeven — Implied vol 181% Delta -0.034 ≈3% ITM Gamma 0.003 Theta -0.077 Vega 0.011 Open interest 0 Model this put
0	—	0.1%	1	—		—	-0.04	152.5%	—	0
Call · $50 In the money Last — Breakeven — Implied vol 0.1% Delta 1 ≈100% ITM Gamma 0 Theta -0.005 Vega 0 Open interest 0 Model this call Put · $50 Last — Breakeven — Implied vol 152.5% Delta -0.04 ≈4% ITM Gamma 0.004 Theta -0.075 Vega 0.012 Open interest 0 Model this put
0	—	0.1%	1	—		$0.46	-0.048	126.7%	1	1
Call · $55 In the money Last — Breakeven — Implied vol 0.1% Delta 1 ≈100% ITM Gamma 0 Theta -0.005 Vega 0 Open interest 0 Model this call Put · $55 Last $0.46 Breakeven $54.54 Implied vol 126.7% Delta -0.048 ≈5% ITM Gamma 0.005 Theta -0.072 Vega 0.013 Open interest 1 Model this put
0	—	0.1%	1	—		$0.16	-0.035	86.4%	4	17
Call · $60 In the money Last — Breakeven — Implied vol 0.1% Delta 1 ≈100% ITM Gamma 0 Theta -0.006 Vega 0 Open interest 0 Model this call Put · $60 Last $0.16 Breakeven $59.84 Implied vol 86.4% Delta -0.035 ≈4% ITM Gamma 0.006 Theta -0.038 Vega 0.013 Open interest 17 Model this put
1	1	—	—	$4.23		$0.29	-0.074	77.9%	1	39
Call · $65 In the money Last $4.23 Breakeven $69.23 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this call Put · $65 Last $0.29 Breakeven $64.71 Implied vol 77.9% Delta -0.074 ≈7% ITM Gamma 0.012 Theta -0.062 Vega 0.024 Open interest 39 Model this put
3	1	51.8%	0.913	$10.00		$1.01	-0.132	64.7%	1	25
Call · $70 In the money Last $10.00 Breakeven $80.00 Implied vol 51.8% Delta 0.913 ≈91% ITM Gamma 0.02 Theta -0.053 Vega 0.025 Open interest 3 Model this call Put · $70 Last $1.01 Breakeven $68.99 Implied vol 64.7% Delta -0.132 ≈13% ITM Gamma 0.022 Theta -0.079 Vega 0.037 Open interest 25 Model this put
4	2	39.1%	0.803	$5.60		$2.42	-0.279	59.4%	4	8
Call · $75 In the money Last $5.60 Breakeven $80.60 Implied vol 39.1% Delta 0.803 ≈80% ITM Gamma 0.047 Theta -0.069 Vega 0.039 Open interest 4 Model this call Put · $75 Last $2.42 Breakeven $72.58 Implied vol 59.4% Delta -0.279 ≈28% ITM Gamma 0.037 Theta -0.113 Vega 0.051 Open interest 8 Model this put
Underlying $79.57
26	2	39.5%	0.494	$2.62		$3.98	-0.496	55.1%	3	2
Call · $80 Last $2.62 Breakeven $82.62 Implied vol 39.5% Delta 0.494 ≈49% ITM Gamma 0.067 Theta -0.095 Vega 0.06 Open interest 26 Model this call Put · $80 In the money Last $3.98 Breakeven $76.02 Implied vol 55.1% Delta -0.496 ≈50% ITM Gamma 0.049 Theta -0.124 Vega 0.06 Open interest 2 Model this put
2	1	55.3%	0.288	$1.20		—	-0.81	37.7%	—	0
Call · $85 Last $1.20 Breakeven $86.20 Implied vol 55.3% Delta 0.288 ≈29% ITM Gamma 0.041 Theta -0.11 Vega 0.055 Open interest 2 Model this call Put · $85 In the money Last — Breakeven — Implied vol 37.7% Delta -0.81 ≈81% ITM Gamma 0.049 Theta -0.054 Vega 0.042 Open interest 0 Model this put
0	—	51.1%	0.115	—		$21.10	—	—	1	0
Call · $90 Last — Breakeven — Implied vol 51.1% Delta 0.115 ≈11% ITM Gamma 0.025 Theta -0.058 Vega 0.029 Open interest 0 Model this call Put · $90 In the money Last $21.10 Breakeven $68.90 Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	66.8%	0.093	—		—	-0.923	64.3%	—	0
Call · $95 Last — Breakeven — Implied vol 66.8% Delta 0.093 ≈9% ITM Gamma 0.016 Theta -0.064 Vega 0.03 Open interest 0 Model this call Put · $95 In the money Last — Breakeven — Implied vol 64.3% Delta -0.923 ≈92% ITM Gamma 0.016 Theta -0.049 Vega 0.027 Open interest 0 Model this put
0	—	81.7%	0.08	—		—	-0.95	71.6%	—	0
Call · $100 Last — Breakeven — Implied vol 81.7% Delta 0.08 ≈8% ITM Gamma 0.012 Theta -0.071 Vega 0.018 Open interest 0 Model this call Put · $100 In the money Last — Breakeven — Implied vol 71.6% Delta -0.95 ≈95% ITM Gamma 0.011 Theta -0.037 Vega 0.016 Open interest 0 Model this put
0	—	93.5%	0.071	—		—	-0.948	86.6%	—	0
Call · $105 Last — Breakeven — Implied vol 93.5% Delta 0.071 ≈7% ITM Gamma 0.01 Theta -0.073 Vega 0.018 Open interest 0 Model this call Put · $105 In the money Last — Breakeven — Implied vol 86.6% Delta -0.948 ≈95% ITM Gamma 0.009 Theta -0.047 Vega 0.017 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 1050140 CUSIP 249906108 13F (30d) 126 filings 126 filers Visit website Investor relations