PLOW · Douglas Dynamics, Inc

Track PLOW — free Ask ALVIS about PLOW

$44.94 -0.70 (-1.52%) At close · Aug 6

Market Cap

$1.04B

23.08M

Options Chain

15-min delayed Underlying $44.94 · today Options Calculator

Positioning

Aug 21, 2026 · 14 days to expiry · 28 contracts

Put / call OI

0.08

Call-heavy positioning

Open interest

4,145

contracts outstanding

Volume

113

traded today

Max pain

$45.00

$0.07 above spot

ATM implied vol

37%

market's expected move

Open interest by strike

Calls Puts

17.5

22.5

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 14d Sep 18 42d Nov 20 105d Feb 19 196d May 21 287d Aug 20 378d Nov 19 469d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	332.7%	0.959	—		$0.09	—	—	5	12
Call · $17.5 In the money Last — Breakeven — Implied vol 332.7% Delta 0.959 ≈96% ITM Gamma 0.003 Theta -0.088 Vega 0.009 Open interest 0 Model this call Put · $17.5 Last $0.09 Breakeven $17.41 Implied vol — Delta — Gamma — Theta — Vega — Open interest 12 Model this put
0	—	304.6%	0.946	—		—	—	—	—	0
Call · $20 In the money Last — Breakeven — Implied vol 304.6% Delta 0.946 ≈95% ITM Gamma 0.004 Theta -0.099 Vega 0.01 Open interest 0 Model this call Put · $20 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	256.9%	0.943	—		—	—	—	—	0
Call · $22.5 In the money Last — Breakeven — Implied vol 256.9% Delta 0.943 ≈94% ITM Gamma 0.005 Theta -0.088 Vega 0.011 Open interest 0 Model this call Put · $22.5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	2	214.8%	0.94	$22.75		$0.05	-0.08	251.1%	3	1
Call · $25 In the money Last $22.75 Breakeven $47.75 Implied vol 214.8% Delta 0.94 ≈94% ITM Gamma 0.006 Theta -0.077 Vega 0.012 Open interest 0 Model this call Put · $25 Last $0.05 Breakeven $24.95 Implied vol 251.1% Delta -0.08 ≈8% ITM Gamma 0.007 Theta -0.114 Vega 0.011 Open interest 1 Model this put
1	1	158.2%	0.919	$14.90		—	-0.044	125%	—	0
Call · $30 In the money Last $14.90 Breakeven $44.90 Implied vol 158.2% Delta 0.919 ≈92% ITM Gamma 0.01 Theta -0.071 Vega 0.013 Open interest 1 Model this call Put · $30 Last — Breakeven — Implied vol 125% Delta -0.044 ≈4% ITM Gamma 0.008 Theta -0.035 Vega 0.007 Open interest 0 Model this put
14	1	117.6%	0.874	$8.99		—	-0.093	98.6%	—	0
Call · $35 In the money Last $8.99 Breakeven $43.99 Implied vol 117.6% Delta 0.874 ≈87% ITM Gamma 0.02 Theta -0.074 Vega 0.021 Open interest 14 Model this call Put · $35 Last — Breakeven — Implied vol 98.6% Delta -0.093 ≈9% ITM Gamma 0.019 Theta -0.05 Vega 0.014 Open interest 0 Model this put
112	2	60.9%	0.828	$5.10		$0.20	-0.101	44.1%	2	144
Call · $40 In the money Last $5.10 Breakeven $45.10 Implied vol 60.9% Delta 0.828 ≈83% ITM Gamma 0.047 Theta -0.048 Vega 0.022 Open interest 112 Model this call Put · $40 Last $0.20 Breakeven $39.80 Implied vol 44.1% Delta -0.101 ≈10% ITM Gamma 0.045 Theta -0.024 Vega 0.015 Open interest 144 Model this put
Underlying $44.94
2.1k	33	41.6%	0.476	$1.22		$1.40	-0.539	32.3%	10	124
Call · $45 Last $1.22 Breakeven $46.22 Implied vol 41.6% Delta 0.476 ≈48% ITM Gamma 0.107 Theta -0.051 Vega 0.036 Open interest 2.1k Model this call Put · $45 In the money Last $1.40 Breakeven $43.60 Implied vol 32.3% Delta -0.539 ≈54% ITM Gamma 0.138 Theta -0.038 Vega 0.036 Open interest 124 Model this put
1.2k	30	42.5%	0.098	$0.12		$6.90	—	—	1	24
Call · $50 Last $0.12 Breakeven $50.12 Implied vol 42.5% Delta 0.098 ≈10% ITM Gamma 0.045 Theta -0.022 Vega 0.017 Open interest 1.2k Model this call Put · $50 In the money Last $6.90 Breakeven $43.10 Implied vol — Delta — Gamma — Theta — Vega — Open interest 24 Model this put
383	2	59.9%	0.046	$0.09		$5.50	—	—	1	2
Call · $55 Last $0.09 Breakeven $55.09 Implied vol 59.9% Delta 0.046 ≈5% ITM Gamma 0.018 Theta -0.018 Vega 0.01 Open interest 383 Model this call Put · $55 In the money Last $5.50 Breakeven $49.50 Implied vol — Delta — Gamma — Theta — Vega — Open interest 2 Model this put
25	1	92.1%	0.065	$0.58		—	—	—	—	0
Call · $60 Last $0.58 Breakeven $60.58 Implied vol 92.1% Delta 0.065 ≈7% ITM Gamma 0.015 Theta -0.036 Vega 0.011 Open interest 25 Model this call Put · $60 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
1	1	128.2%	0.088	$0.05		—	—	—	—	0
Call · $65 Last $0.05 Breakeven $65.05 Implied vol 128.2% Delta 0.088 ≈9% ITM Gamma 0.014 Theta -0.063 Vega 0.019 Open interest 1 Model this call Put · $65 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $70 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $70 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
18	18	—	—	$0.05		—	—	—	—	0
Call · $75 Last $0.05 Breakeven $75.05 Implied vol — Delta — Gamma — Theta — Vega — Open interest 18 Model this call Put · $75 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 1287213 CUSIP 25960R105 13F (30d) 65 filings 62 filers Visit website Investor relations