USNA · Usana Health Sciences Inc

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$21.45 +0.53 (+2.53%) At close · Jul 24

Market Cap

$393.63M

18.46M

Options Chain

15-min delayed Underlying $21.45 · today Options Calculator

Positioning

Aug 21, 2026 · 26 days to expiry · 24 contracts

Put / call OI

1.05

Balanced positioning

Open interest

contracts outstanding

Volume

101

traded today

Max pain

$20.00

$1.45 below spot

ATM implied vol

77%

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 26d Sep 18 54d Oct 16 82d Jan 15 173d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	483.1%	0.989	—		—	—	—	—	0
Call · $2.5 In the money Last — Breakeven — Implied vol 483.1% Delta 0.989 ≈99% ITM Gamma 0.001 Theta -0.015 Vega 0.002 Open interest 0 Model this call Put · $2.5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	321.3%	0.983	—		$0.05	-0.039	806%	82	1
Call · $5 In the money Last — Breakeven — Implied vol 321.3% Delta 0.983 ≈98% ITM Gamma 0.002 Theta -0.015 Vega 0.003 Open interest 0 Model this call Put · $5 Last $0.05 Breakeven $4.95 Implied vol 806% Delta -0.039 ≈4% ITM Gamma 0.002 Theta -0.076 Vega 0.005 Open interest 1 Model this put
0	—	233.9%	0.976	—		$0.05	—	—	1	0
Call · $7.5 In the money Last — Breakeven — Implied vol 233.9% Delta 0.976 ≈98% ITM Gamma 0.004 Theta -0.015 Vega 0.003 Open interest 0 Model this call Put · $7.5 Last $0.05 Breakeven $7.45 Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	174%	0.968	—		—	—	—	—	0
Call · $10 In the money Last — Breakeven — Implied vol 174% Delta 0.968 ≈97% ITM Gamma 0.007 Theta -0.014 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	—	117%	0.968	—		—	—	—	—	0
Call · $12.5 In the money Last — Breakeven — Implied vol 117% Delta 0.968 ≈97% ITM Gamma 0.011 Theta -0.01 Vega 0.004 Open interest 0 Model this call Put · $12.5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
3	3	90.4%	0.944	$8.23		—	-0.107	122.4%	—	0
Call · $15 In the money Last $8.23 Breakeven $23.23 Implied vol 90.4% Delta 0.944 ≈94% ITM Gamma 0.022 Theta -0.013 Vega 0.008 Open interest 3 Model this call Put · $15 Last — Breakeven — Implied vol 122.4% Delta -0.107 ≈11% ITM Gamma 0.026 Theta -0.024 Vega 0.013 Open interest 0 Model this put
0	—	67%	0.886	—		—	-0.261	201%	—	4
Call · $17.5 In the money Last — Breakeven — Implied vol 67% Delta 0.886 ≈89% ITM Gamma 0.051 Theta -0.016 Vega 0.014 Open interest 0 Model this call Put · $17.5 Last — Breakeven — Implied vol 201% Delta -0.261 ≈26% ITM Gamma 0.029 Theta -0.071 Vega 0.02 Open interest 4 Model this put
18	3	77.4%	0.664	$3.73		$0.75	-0.334	74.9%	1	30
Call · $20 In the money Last $3.73 Breakeven $23.73 Implied vol 77.4% Delta 0.664 ≈66% ITM Gamma 0.083 Theta -0.032 Vega 0.022 Open interest 18 Model this call Put · $20 Last $0.75 Breakeven $19.25 Implied vol 74.9% Delta -0.334 ≈33% ITM Gamma 0.086 Theta -0.029 Vega 0.022 Open interest 30 Model this put
Underlying $21.45
5	2	72.7%	0.436	$1.60		$1.70	-0.55	81.3%	1	1
Call · $22.5 Last $1.60 Breakeven $24.10 Implied vol 72.7% Delta 0.436 ≈44% ITM Gamma 0.095 Theta -0.032 Vega 0.023 Open interest 5 Model this call Put · $22.5 In the money Last $1.70 Breakeven $20.80 Implied vol 81.3% Delta -0.55 ≈55% ITM Gamma 0.085 Theta -0.034 Vega 0.023 Open interest 1 Model this put
7	2	173%	0.459	$0.75		$3.50	-0.641	112.6%	1	2
Call · $25 Last $0.75 Breakeven $25.75 Implied vol 173% Delta 0.459 ≈46% ITM Gamma 0.04 Theta -0.076 Vega 0.024 Open interest 7 Model this call Put · $25 In the money Last $3.50 Breakeven $21.50 Implied vol 112.6% Delta -0.641 ≈64% ITM Gamma 0.058 Theta -0.044 Vega 0.021 Open interest 2 Model this put
2	2	114.5%	0.17	$0.45		$8.00	—	—	1	1
Call · $30 Last $0.45 Breakeven $30.45 Implied vol 114.5% Delta 0.17 ≈17% ITM Gamma 0.039 Theta -0.032 Vega 0.012 Open interest 2 Model this call Put · $30 In the money Last $8.00 Breakeven $22.00 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this put
2	2	143.9%	0.143	$0.45		—	—	—	—	0
Call · $35 Last $0.45 Breakeven $35.45 Implied vol 143.9% Delta 0.143 ≈14% ITM Gamma 0.027 Theta -0.035 Vega 0.013 Open interest 2 Model this call Put · $35 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 896264 CUSIP 90328M107 13F (30d) 19 filings 19 filers Visit website Investor relations