iRhythm (IRTC) Options Chain

NASDAQ: IRTCHealth CareMedical/Dental InstrumentsUSD

106.70+4.10 (+4.00%)

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

Expiration date

Expiration: Jan 15, 2027
Days to expiration: 96
Share price: $106.70
Put/call ratio (OI): 1.13
Put/call ratio (volume): 1.64
ATM implied volatility: 50.3%
Expected move: ±$27.52
Open interest (C / P): 188 / 213

IRTC options summary

The IRTC options chain for the January 15, 2027 expiration lists 15 call and 9 put contracts, with 96 days until expiration. Open interest stands at 188 calls and 213 puts, a put/call ratio of 1.13, which is fairly balanced between calls and puts. At-the-money implied volatility near the $110.00 strike is 50.3%, which implies the market expects a move of about ±$27.52 (25.8%) in iRhythm stock by expiration.

The most open interest sits at the $150.00 call (96 contracts) and the $135.00 put (160 contracts).

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

IRTC options chain · January 15, 2027

IRTC 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
—	—	—	—	—	—	65.00	0.95	3.90	2.55	86.2%	—	1
—	—	—	—	—	—	70.00	0.40	3.00	2.00	68.3%	—	1
0	—	—	31.60	0.00	0.00	90.00	—	—	—	—	—	—
0	—	—	37.10	0.00	0.00	95.00	—	—	—	—	—	—
0	—	—	34.00	0.00	0.00	100.00	3.40	6.50	11.00	44.7%	5	7
IRTC $106.70
—	—	—	—	—	—	110.00	9.80	12.90	11.00	50.3%	3	6
1	—	103.5%	16.50	17.40	21.40	115.00	—	—	—	—	—	—
0	4	6.3%	16.50	0.00	0.00	120.00	21.50	24.20	19.60	66.0%	25	32
5	1	56.6%	7.20	2.65	6.20	125.00	19.70	22.70	14.45	47.5%	5	5
6	5	56.7%	6.30	2.05	5.10	130.00	0.00	0.00	23.50	—	—	0
—	—	—	—	—	—	135.00	28.10	30.20	25.81	42.6%	8	160
13	7	59.3%	2.60	0.05	3.80	140.00	—	—	—	—	—	—
96	1	50.8%	0.91	0.00	3.00	150.00	—	—	—	—	—	—
0	5	12.5%	21.00	0.00	0.00	155.00	—	—	—	—	—	—
12	1	55.1%	0.85	0.00	2.55	160.00	52.20	55.40	42.52	62.7%	—	1
2	1	76.1%	2.25	2.00	4.90	165.00	—	—	—	—	—	—
50	—	73.5%	3.50	1.10	3.50	175.00	—	—	—	—	—	—
1	1	74.5%	1.50	0.50	3.70	180.00	—	—	—	—	—	—
2	2	78.4%	3.12	0.00	3.00	200.00	—	—	—	—	—	—

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 IRTC put/call ratio?

For the January 15, 2027 expiration, the IRTC put/call ratio based on open interest is 1.13 (213 puts vs 188 calls), and 1.64 based on today's volume. A ratio above 1 means more puts than calls.

What is IRTC's implied volatility?

At-the-money implied volatility for IRTC options expiring January 15, 2027 is about 50.3%, an annualized estimate of how much the market expects iRhythm stock to move.

How many IRTC option expiration dates are there?

IRTC has 7 listed expiration dates, from Oct 16, 2026 to Dec 17, 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.