RGR · Sturm Ruger & Co Inc

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$37.81 -0.61 (-1.59%) At close · Aug 6

Market Cap

$604.14M

15.98M

Options Chain

15-min delayed Underlying $37.81 · at close Aug 6, 2026 Options Calculator

Positioning

Aug 21, 2026 · 14 days to expiry · 18 contracts

Put / call OI

0.16

Call-heavy positioning

Open interest

643

contracts outstanding

Volume

traded today

Max pain

$35.00

$2.81 below spot

ATM implied vol

38.9%

market's expected move

Open interest by strike

Calls Puts

22.5

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 14d Sep 18 42d Oct 16 70d Jan 15 161d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	268%	0.928	—		—	—	—	—	0
Call · $20 In the money Last — Breakeven — Implied vol 268% Delta 0.928 ≈93% ITM Gamma 0.007 Theta -0.096 Vega 0.009 Open interest 0 Model this call Put · $20 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	228.6%	0.915	—		—	—	—	—	0
Call · $22.5 In the money Last — Breakeven — Implied vol 228.6% Delta 0.915 ≈92% ITM Gamma 0.009 Theta -0.094 Vega 0.01 Open interest 0 Model this call Put · $22.5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	133.7%	0.955	—		—	-0.07	157.5%	—	0
Call · $25 In the money Last — Breakeven — Implied vol 133.7% Delta 0.955 ≈95% ITM Gamma 0.009 Theta -0.034 Vega 0.006 Open interest 0 Model this call Put · $25 Last — Breakeven — Implied vol 157.5% Delta -0.07 ≈7% ITM Gamma 0.011 Theta -0.055 Vega 0.011 Open interest 0 Model this put
0	—	36.8%	0.999	—		$0.15	-0.102	99.7%	5	16
Call · $30 In the money Last — Breakeven — Implied vol 36.8% Delta 0.999 ≈100% ITM Gamma 0.001 Theta -0.002 Vega 0 Open interest 0 Model this call Put · $30 Last $0.15 Breakeven $29.85 Implied vol 99.7% Delta -0.102 ≈10% ITM Gamma 0.024 Theta -0.047 Vega 0.012 Open interest 16 Model this put
15	1	53.9%	0.779	$4.03		$0.25	-0.183	44.4%	5	64
Call · $35 In the money Last $4.03 Breakeven $39.03 Implied vol 53.9% Delta 0.779 ≈78% ITM Gamma 0.075 Theta -0.044 Vega 0.025 Open interest 15 Model this call Put · $35 Last $0.25 Breakeven $34.75 Implied vol 44.4% Delta -0.183 ≈18% ITM Gamma 0.08 Theta -0.03 Vega 0.019 Open interest 64 Model this put
Underlying $37.81
392	13	44.2%	0.269	$0.77		$2.40	-0.799	33.6%	1	6
Call · $40 Last $0.77 Breakeven $40.77 Implied vol 44.2% Delta 0.269 ≈27% ITM Gamma 0.101 Theta -0.039 Vega 0.027 Open interest 392 Model this call Put · $40 In the money Last $2.40 Breakeven $37.60 Implied vol 33.6% Delta -0.799 ≈80% ITM Gamma 0.114 Theta -0.023 Vega 0.021 Open interest 6 Model this put
146	5	69.1%	0.113	$0.15		—	—	—	—	0
Call · $45 Last $0.15 Breakeven $45.15 Implied vol 69.1% Delta 0.113 ≈11% ITM Gamma 0.037 Theta -0.035 Vega 0.015 Open interest 146 Model this call Put · $45 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
2	2	106.5%	0.111	$0.13		$11.90	—	—	1	1
Call · $50 Last $0.13 Breakeven $50.13 Implied vol 106.5% Delta 0.111 ≈11% ITM Gamma 0.024 Theta -0.053 Vega 0.015 Open interest 2 Model this call Put · $50 In the money Last $11.90 Breakeven $38.10 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this put
1	1	137.3%	0.106	$0.10		—	—	—	—	0
Call · $55 Last $0.10 Breakeven $55.10 Implied vol 137.3% Delta 0.106 ≈11% ITM Gamma 0.018 Theta -0.066 Vega 0.016 Open interest 1 Model this call Put · $55 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 95029 CUSIP 864159108 13F (30d) 55 filings 53 filers Visit website Investor relations