NRC · Nrc Health

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$21.03 +0.20 (+0.96%) At close · Jul 24

Market Cap

$474.17M

22.54M

Options Chain

15-min delayed Underlying $21.03 · today Options Calculator

Positioning

Aug 21, 2026 · 25 days to expiry · 14 contracts

Put / call OI

0.00

Call-heavy positioning

Open interest

contracts outstanding

Volume

traded today

Max pain

$20.00

$1.03 below spot

ATM implied vol

49%

market's expected move

Open interest by strike

Calls Puts

12.5

17.5

22.5

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 25d Sep 18 53d Dec 18 144d Mar 19 235d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	226%	0.878	—		—	-0.06	144.9%	—	0
Call · $12.5 In the money Last — Breakeven — Implied vol 226% Delta 0.878 ≈88% ITM Gamma 0.016 Theta -0.049 Vega 0.011 Open interest 0 Model this call Put · $12.5 Last — Breakeven — Implied vol 144.9% Delta -0.06 ≈6% ITM Gamma 0.015 Theta -0.019 Vega 0.007 Open interest 0 Model this put
0	—	169.6%	0.837	—		—	-0.061	90.7%	—	0
Call · $15 In the money Last — Breakeven — Implied vol 169.6% Delta 0.837 ≈84% ITM Gamma 0.026 Theta -0.046 Vega 0.012 Open interest 0 Model this call Put · $15 Last — Breakeven — Implied vol 90.7% Delta -0.061 ≈6% ITM Gamma 0.024 Theta -0.012 Vega 0.008 Open interest 0 Model this put
0	—	57.1%	0.902	—		—	-0.103	59.1%	—	0
Call · $17.5 In the money Last — Breakeven — Implied vol 57.1% Delta 0.902 ≈90% ITM Gamma 0.054 Theta -0.011 Vega 0.009 Open interest 0 Model this call Put · $17.5 Last — Breakeven — Implied vol 59.1% Delta -0.103 ≈10% ITM Gamma 0.055 Theta -0.012 Vega 0.009 Open interest 0 Model this put
1	1	49.7%	0.675	$1.62		—	-0.32	48.2%	—	0
Call · $20 In the money Last $1.62 Breakeven $21.62 Implied vol 49.7% Delta 0.675 ≈68% ITM Gamma 0.132 Theta -0.02 Vega 0.019 Open interest 1 Model this call Put · $20 Last — Breakeven — Implied vol 48.2% Delta -0.32 ≈32% ITM Gamma 0.135 Theta -0.019 Vega 0.019 Open interest 0 Model this put
Underlying $21.03
0	4	81%	0.418	$0.50		—	-0.717	40.1%	—	0
Call · $22.5 Last $0.50 Breakeven $23.00 Implied vol 81% Delta 0.418 ≈42% ITM Gamma 0.088 Theta -0.035 Vega 0.023 Open interest 0 Model this call Put · $22.5 In the money Last — Breakeven — Implied vol 40.1% Delta -0.717 ≈72% ITM Gamma 0.153 Theta -0.014 Vega 0.02 Open interest 0 Model this put
0	—	50.8%	0.113	—		—	-0.696	100.5%	—	0
Call · $25 Last — Breakeven — Implied vol 50.8% Delta 0.113 ≈11% ITM Gamma 0.068 Theta -0.011 Vega 0.011 Open interest 0 Model this call Put · $25 In the money Last — Breakeven — Implied vol 100.5% Delta -0.696 ≈70% ITM Gamma 0.063 Theta -0.038 Vega 0.021 Open interest 0 Model this put
0	—	—	—	—		—	-0.784	137.9%	—	0
Call · $30 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $30 In the money Last — Breakeven — Implied vol 137.9% Delta -0.784 ≈78% ITM Gamma 0.038 Theta -0.043 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 70487 CUSIP 637372202 13F (30d) 18 filings 18 filers Visit website