NHI · National Health Investors Inc

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$78.45 -0.83 (-1.05%) At close · Jul 28

Market Cap

$3.84B

48.47M

Options Chain

15-min delayed Underlying $78.45 · today Options Calculator

Positioning

Aug 21, 2026 · 23 days to expiry · 28 contracts

Put / call OI

0.33

Call-heavy positioning

Open interest

108

contracts outstanding

Volume

traded today

Max pain

$75.00

$3.45 below spot

ATM implied vol

30.7%

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 23d Sep 18 51d Oct 16 79d Jan 15 170d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	166.9%	0.964	—		—	—	—	—	0
Call · $40 In the money Last — Breakeven — Implied vol 166.9% Delta 0.964 ≈96% ITM Gamma 0.002 Theta -0.049 Vega 0.014 Open interest 0 Model this call Put · $40 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	141.9%	0.958	—		—	—	—	—	0
Call · $45 In the money Last — Breakeven — Implied vol 141.9% Delta 0.958 ≈96% ITM Gamma 0.003 Theta -0.048 Vega 0.015 Open interest 0 Model this call Put · $45 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	119.7%	0.951	—		—	—	—	—	0
Call · $50 In the money Last — Breakeven — Implied vol 119.7% Delta 0.951 ≈95% ITM Gamma 0.004 Theta -0.047 Vega 0.016 Open interest 0 Model this call Put · $50 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	98%	0.941	—		$0.70	-0.044	87.5%	3	3
Call · $55 In the money Last — Breakeven — Implied vol 98% Delta 0.941 ≈94% ITM Gamma 0.006 Theta -0.044 Vega 0.028 Open interest 0 Model this call Put · $55 Last $0.70 Breakeven $54.30 Implied vol 87.5% Delta -0.044 ≈4% ITM Gamma 0.005 Theta -0.034 Vega 0.017 Open interest 3 Model this put
0	—	95.7%	0.891	—		$0.95	-0.061	73.3%	3	3
Call · $60 In the money Last — Breakeven — Implied vol 95.7% Delta 0.891 ≈89% ITM Gamma 0.01 Theta -0.071 Vega 0.031 Open interest 0 Model this call Put · $60 Last $0.95 Breakeven $59.05 Implied vol 73.3% Delta -0.061 ≈6% ITM Gamma 0.008 Theta -0.038 Vega 0.031 Open interest 3 Model this put
0	—	70.2%	0.875	—		$1.06	-0.079	55%	5	5
Call · $65 In the money Last — Breakeven — Implied vol 70.2% Delta 0.875 ≈87% ITM Gamma 0.015 Theta -0.057 Vega 0.047 Open interest 0 Model this call Put · $65 Last $1.06 Breakeven $63.94 Implied vol 55% Delta -0.079 ≈8% ITM Gamma 0.013 Theta -0.034 Vega 0.033 Open interest 5 Model this put
0	—	59.5%	0.797	—		$0.50	-0.109	37.9%	3	3
Call · $70 In the money Last — Breakeven — Implied vol 59.5% Delta 0.797 ≈80% ITM Gamma 0.024 Theta -0.068 Vega 0.05 Open interest 0 Model this call Put · $70 Last $0.50 Breakeven $69.50 Implied vol 37.9% Delta -0.109 ≈11% ITM Gamma 0.025 Theta -0.031 Vega 0.034 Open interest 3 Model this put
2	2	43.6%	0.677	$1.11		$1.20	-0.212	22.9%	6	13
Call · $75 In the money Last $1.11 Breakeven $76.11 Implied vol 43.6% Delta 0.677 ≈68% ITM Gamma 0.042 Theta -0.064 Vega 0.068 Open interest 2 Model this call Put · $75 Last $1.20 Breakeven $73.80 Implied vol 22.9% Delta -0.212 ≈21% ITM Gamma 0.064 Theta -0.029 Vega 0.053 Open interest 13 Model this put
Underlying $78.45
40	2	36.7%	0.435	$2.15		—	-0.61	24.7%	—	0
Call · $80 Last $2.15 Breakeven $82.15 Implied vol 36.7% Delta 0.435 ≈44% ITM Gamma 0.054 Theta -0.059 Vega 0.08 Open interest 40 Model this call Put · $80 In the money Last — Breakeven — Implied vol 24.7% Delta -0.61 ≈61% ITM Gamma 0.078 Theta -0.043 Vega 0.079 Open interest 0 Model this put
39	3	32.3%	0.175	$0.75		—	—	—	—	0
Call · $85 Last $0.75 Breakeven $85.75 Implied vol 32.3% Delta 0.175 ≈18% ITM Gamma 0.04 Theta -0.034 Vega 0.054 Open interest 39 Model this call Put · $85 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	39.1%	0.091	—		—	—	—	—	0
Call · $90 Last — Breakeven — Implied vol 39.1% Delta 0.091 ≈9% ITM Gamma 0.021 Theta -0.027 Vega 0.037 Open interest 0 Model this call Put · $90 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $95 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $95 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $100 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $100 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $105 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $105 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 877860 CUSIP 63633D104 13F (30d) 60 filings 60 filers Visit website Investor relations