Alphatec (ATEC) Options Chain

NASDAQ: ATECHealth CareMedical/Dental InstrumentsUSD

10.67+0.32 (+3.09%)

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

Expiration date

Expiration: Nov 20, 2026
Days to expiration: 40
Share price: $10.67
Put/call ratio (OI): 0.02
Put/call ratio (volume): 0.02
ATM implied volatility: 78.4%
Expected move: ±$2.77
Open interest (C / P): 3.39K / 69

ATEC options summary

The ATEC options chain for the November 20, 2026 expiration lists 4 call and 3 put contracts, with 40 days until expiration. Open interest stands at 3,387 calls and 69 puts, a put/call ratio of 0.02, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $10.00 strike is 78.4%, which implies the market expects a move of about ±$2.77 (26.0%) in Alphatec stock by expiration.

The most open interest sits at the $12.50 call (3.19K contracts) and the $10.00 put (56 contracts).

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

ATEC options chain · November 20, 2026

ATEC 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
—	—	—	3.15	—	—	7.50	0.00	1.05	0.20	138.3%	1	12
172	6	80.5%	1.18	1.10	1.85	10.00	0.50	1.00	0.72	76.4%	1	56
ATEC $10.67
3,185	118	73.8%	0.41	0.35	0.55	12.50	1.80	3.40	2.51	98.2%	1	1
30	—	215.4%	0.15	0.00	2.15	20.00	—	—	—	—	—	—

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 ATEC put/call ratio?

For the November 20, 2026 expiration, the ATEC put/call ratio based on open interest is 0.02 (69 puts vs 3,387 calls), and 0.02 based on today's volume. A ratio above 1 means more puts than calls.

What is ATEC's implied volatility?

At-the-money implied volatility for ATEC options expiring November 20, 2026 is about 78.4%, an annualized estimate of how much the market expects Alphatec stock to move.

How many ATEC option expiration dates are there?

ATEC has 6 listed expiration dates, from Oct 16, 2026 to Jan 21, 2028.

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.