RDNT · RadNet, Inc.

Track RDNT — free Ask ALVIS about RDNT

$63.37 +0.15 (+0.24%) At close · Jul 29

Market Cap

$4.97B

78.63M

Options Chain

15-min delayed Underlying $63.37 · at close Jul 29, 2026 Options Calculator

Positioning

Aug 21, 2026 · 22 days to expiry · 26 contracts

Put / call OI

0.89

Balanced positioning

Open interest

890

contracts outstanding

Volume

277

traded today

Max pain

$60.00

$3.37 below spot

ATM implied vol

74.2%

market's expected move

Open interest by strike

Calls Puts

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 22d Sep 18 50d Dec 18 141d Mar 19 232d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	—	—	—		—	-0.024	173.3%	—	0
Call · $30 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $30 Last — Breakeven — Implied vol 173.3% Delta -0.024 ≈2% ITM Gamma 0.002 Theta -0.035 Vega 0.011 Open interest 0 Model this put
0	1	—	—	$26.50		$0.41	-0.033	145.5%	1	1
Call · $35 In the money Last $26.50 Breakeven $61.50 Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $35 Last $0.41 Breakeven $34.59 Implied vol 145.5% Delta -0.033 ≈3% ITM Gamma 0.003 Theta -0.037 Vega 0.012 Open interest 1 Model this put
1	1	0.2%	1	$23.24		$0.30	-0.035	111.5%	1	1
Call · $40 In the money Last $23.24 Breakeven $63.24 Implied vol 0.2% Delta 1 ≈100% ITM Gamma 0 Theta -0.004 Vega 0 Open interest 1 Model this call Put · $40 Last $0.30 Breakeven $39.70 Implied vol 111.5% Delta -0.035 ≈3% ITM Gamma 0.004 Theta -0.03 Vega 0.012 Open interest 1 Model this put
0	—	87.7%	0.956	—		$2.05	-0.113	133.3%	1	1
Call · $45 In the money Last — Breakeven — Implied vol 87.7% Delta 0.956 ≈96% ITM Gamma 0.007 Theta -0.033 Vega 0.013 Open interest 0 Model this call Put · $45 Last $2.05 Breakeven $42.95 Implied vol 133.3% Delta -0.113 ≈11% ITM Gamma 0.009 Theta -0.089 Vega 0.034 Open interest 1 Model this put
0	—	79.8%	0.905	—		$1.00	-0.113	88.6%	6	3
Call · $50 In the money Last — Breakeven — Implied vol 79.8% Delta 0.905 ≈90% ITM Gamma 0.014 Theta -0.052 Vega 0.024 Open interest 0 Model this call Put · $50 Last $1.00 Breakeven $49.00 Implied vol 88.6% Delta -0.113 ≈11% ITM Gamma 0.014 Theta -0.06 Vega 0.036 Open interest 3 Model this put
58	2	74.7%	0.809	$5.80		$1.80	-0.178	69.3%	1	65
Call · $55 In the money Last $5.80 Breakeven $60.80 Implied vol 74.7% Delta 0.809 ≈81% ITM Gamma 0.024 Theta -0.077 Vega 0.038 Open interest 58 Model this call Put · $55 Last $1.80 Breakeven $53.20 Implied vol 69.3% Delta -0.178 ≈18% ITM Gamma 0.024 Theta -0.063 Vega 0.038 Open interest 65 Model this put
96	8	66.7%	0.666	$6.30		$3.00	-0.33	63.7%	32	259
Call · $60 In the money Last $6.30 Breakeven $66.30 Implied vol 66.7% Delta 0.666 ≈67% ITM Gamma 0.035 Theta -0.09 Vega 0.06 Open interest 96 Model this call Put · $60 Last $3.00 Breakeven $57.00 Implied vol 63.7% Delta -0.33 ≈33% ITM Gamma 0.037 Theta -0.08 Vega 0.06 Open interest 259 Model this put
Underlying $63.37
81	4	66.8%	0.478	$3.50		$5.40	-0.506	81.6%	6	62
Call · $65 Last $3.50 Breakeven $68.50 Implied vol 66.8% Delta 0.478 ≈48% ITM Gamma 0.038 Theta -0.096 Vega 0.063 Open interest 81 Model this call Put · $65 In the money Last $5.40 Breakeven $59.60 Implied vol 81.6% Delta -0.506 ≈51% ITM Gamma 0.031 Theta -0.111 Vega 0.063 Open interest 62 Model this put
43	8	65.5%	0.303	$2.00		$9.50	-0.678	71.6%	5	6
Call · $70 Last $2.00 Breakeven $72.00 Implied vol 65.5% Delta 0.303 ≈30% ITM Gamma 0.034 Theta -0.082 Vega 0.058 Open interest 43 Model this call Put · $70 In the money Last $9.50 Breakeven $60.50 Implied vol 71.6% Delta -0.678 ≈68% ITM Gamma 0.032 Theta -0.086 Vega 0.057 Open interest 6 Model this put
106	94	60.2%	0.147	$0.85		$11.59	-0.793	74.5%	15	16
Call · $75 Last $0.85 Breakeven $75.85 Implied vol 60.2% Delta 0.147 ≈15% ITM Gamma 0.025 Theta -0.05 Vega 0.031 Open interest 106 Model this call Put · $75 In the money Last $11.59 Breakeven $63.41 Implied vol 74.5% Delta -0.793 ≈79% ITM Gamma 0.025 Theta -0.07 Vega 0.045 Open interest 16 Model this put
85	85	57.3%	0.06	$0.37		$15.80	-0.873	76.6%	6	6
Call · $80 Last $0.37 Breakeven $80.37 Implied vol 57.3% Delta 0.06 ≈6% ITM Gamma 0.013 Theta -0.024 Vega 0.018 Open interest 85 Model this call Put · $80 In the money Last $15.80 Breakeven $64.20 Implied vol 76.6% Delta -0.873 ≈87% ITM Gamma 0.018 Theta -0.051 Vega 0.031 Open interest 6 Model this put
0	—	79.4%	0.08	—		—	-0.931	77.1%	—	0
Call · $85 Last — Breakeven — Implied vol 79.4% Delta 0.08 ≈8% ITM Gamma 0.012 Theta -0.042 Vega 0.019 Open interest 0 Model this call Put · $85 In the money Last — Breakeven — Implied vol 77.1% Delta -0.931 ≈93% ITM Gamma 0.012 Theta -0.032 Vega 0.018 Open interest 0 Model this put
0	—	90%	0.072	—		—	-0.931	90.7%	—	0
Call · $90 Last — Breakeven — Implied vol 90% Delta 0.072 ≈7% ITM Gamma 0.01 Theta -0.044 Vega 0.019 Open interest 0 Model this call Put · $90 In the money Last — Breakeven — Implied vol 90.7% Delta -0.931 ≈93% ITM Gamma 0.01 Theta -0.037 Vega 0.018 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 790526 CUSIP 750491102 13F (30d) 83 filings 75 filers Visit website Investor relations