AtriCure (ATRC) Options Chain

NASDAQ: ATRCHealth CareMedical/Dental InstrumentsUSD

55.81+2.97 (+5.62%)

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

After hours: 55.81 0.00%

Expiration date

Expiration: Oct 16, 2026
Days to expiration: 7
Share price: $55.81
Put/call ratio (OI): 0.29
Put/call ratio (volume): 0.12
ATM implied volatility: 60.3%
Expected move: ±$4.66
Open interest (C / P): 340 / 100

ATRC options summary

The ATRC options chain for the October 16, 2026 expiration lists 12 call and 9 put contracts, with 7 days until expiration. Open interest stands at 340 calls and 100 puts, a put/call ratio of 0.29, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $55.00 strike is 60.3%, which implies the market expects a move of about ±$4.66 (8.4%) in AtriCure stock by expiration.

The most open interest sits at the $40.00 call (141 contracts) and the $40.00 put (27 contracts).

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

ATRC options chain · October 16, 2026

ATRC 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
20	11	723.0%	39.70	38.50	42.30	15.00	0.00	4.80	0.10	843.0%	2	3
23	10	589.1%	35.50	36.00	39.40	17.50	—	—	—	—	—	—
2	1	—	12.25	24.50	29.50	22.50	0.00	4.80	2.28	603.7%	1	1
14	2	455.9%	30.80	28.50	32.20	25.00	0.00	1.55	2.48	389.1%	1	21
1	10	343.2%	25.50	23.50	26.90	30.00	—	—	—	—	—	—
2	4	273.4%	21.03	18.50	21.90	35.00	—	—	—	—	—	—
141	60	224.4%	15.60	13.50	17.10	40.00	0.00	0.05	1.55	97.7%	1	27
22	40	166.2%	10.90	8.50	12.10	45.00	0.00	0.30	0.30	90.0%	5	13
8	1	98.0%	3.02	3.50	6.80	50.00	0.00	4.90	4.80	154.3%	1	7
13	3	63.3%	0.01	0.10	4.90	55.00	0.00	3.00	1.75	57.4%	4	23
ATRC $55.81
92	2	77.0%	0.05	0.00	2.10	60.00	3.20	6.50	2.80	62.4%	—	2
2	1	167.5%	0.05	0.00	4.90	65.00	8.10	11.50	7.20	95.5%	3	3

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 ATRC put/call ratio?

For the October 16, 2026 expiration, the ATRC put/call ratio based on open interest is 0.29 (100 puts vs 340 calls), and 0.12 based on today's volume. A ratio above 1 means more puts than calls.

What is ATRC's implied volatility?

At-the-money implied volatility for ATRC options expiring October 16, 2026 is about 60.3%, an annualized estimate of how much the market expects AtriCure stock to move.

How many ATRC option expiration dates are there?

ATRC has 4 listed expiration dates, from Oct 16, 2026 to Apr 16, 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.