RadNet (RDNT) Options Chain

NASDAQ: RDNTHealth CareMedical SpecialitiesUSD

70.91+2.70 (+3.96%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Oct 16, 2026
Days to expiration: 7
Share price: $70.91
Put/call ratio (OI): 0.23
Put/call ratio (volume): 0.37
ATM implied volatility: 43.3%
Expected move: ±$4.25
Open interest (C / P): 650 / 149

RDNT options summary

The RDNT options chain for the October 16, 2026 expiration lists 8 call and 9 put contracts, with 7 days until expiration. Open interest stands at 650 calls and 149 puts, a put/call ratio of 0.23, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $70.00 strike is 43.3%, which implies the market expects a move of about ±$4.25 (6.0%) in RadNet stock by expiration.

The most open interest sits at the $75.00 call (240 contracts) and the $70.00 put (70 contracts).

Summary generated from market data by MetaCap's automated system. Methodology

RDNT options chain · October 16, 2026

RDNT calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
—	—	—	—	—	—	50.00	0.00	2.15	0.05	217.0%	7	8
—	—	—	—	—	—	55.00	0.00	0.00	0.65	50.0%	—	0
23	2	141.3%	8.35	9.00	12.30	60.00	0.00	1.15	0.18	104.2%	20	20
75	7	102.5%	5.90	4.70	7.50	65.00	0.00	0.80	1.22	58.7%	5	9
55	34	43.9%	2.13	1.80	2.20	70.00	1.10	1.25	1.25	42.8%	25	70
RDNT $70.91
240	167	53.5%	0.60	0.00	1.40	75.00	3.00	6.30	5.45	97.4%	21	39
216	1	63.0%	0.10	0.00	0.50	80.00	7.20	11.00	9.40	126.3%	6	3
39	20	110.0%	0.15	0.00	1.35	85.00	12.50	16.10	14.25	82.2%	1	0
—	—	—	—	—	—	95.00	22.40	26.10	16.70	113.9%	—	0
1	—	196.3%	0.03	0.00	1.55	105.00	—	—	—	—	—	—
1	—	212.9%	0.06	0.00	1.55	110.00	—	—	—	—	—	—

In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.

Frequently asked questions

What is the RDNT put/call ratio?

For the October 16, 2026 expiration, the RDNT put/call ratio based on open interest is 0.23 (149 puts vs 650 calls), and 0.37 based on today's volume. A ratio above 1 means more puts than calls.

What is RDNT's implied volatility?

At-the-money implied volatility for RDNT options expiring October 16, 2026 is about 43.3%, an annualized estimate of how much the market expects RadNet stock to move.

How many RDNT option expiration dates are there?

RDNT has 4 listed expiration dates, from Oct 16, 2026 to Mar 19, 2027.

What does "in the money" mean?

A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.