Align Technology (ALGN) Options Chain

NASDAQ: ALGNHealthcareMedical Instruments & SuppliesUSD

142.71+1.68 (+1.19%)

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

Expiration date

Expiration: Jan 19, 2029
Days to expiration: 831
Share price: $142.71
Put/call ratio (OI): 40.00
ATM implied volatility: 41.5%
Expected move: ±$89.32
Open interest (C / P): 1 / 40

ALGN options summary

The ALGN options chain for the January 19, 2029 expiration lists 1 call and 5 put contracts, with 831 days until expiration. Open interest stands at 1 calls and 40 puts, a put/call ratio of 40.00, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $145.00 strike is 41.5%, which implies the market expects a move of about ±$89.32 (62.6%) in Align Technology stock by expiration.

The most open interest sits at the $140.00 call (1 contracts) and the $145.00 put (29 contracts).

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

ALGN options chain · January 19, 2029

ALGN 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
—	—	—	—	—	—	115.00	14.40	22.00	17.20	44.9%	2	7
—	—	—	—	—	—	130.00	21.60	29.00	23.65	43.4%	—	2
1	—	54.5%	49.00	42.00	51.00	140.00	—	—	—	—	—	—
ALGN $142.71
—	—	—	—	—	—	145.00	29.50	36.50	32.80	41.5%	1	29
—	—	—	—	—	—	150.00	31.00	37.90	33.13	39.3%	—	1
—	—	—	—	—	—	200.00	64.10	73.00	67.16	37.3%	—	1

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 ALGN put/call ratio?

For the January 19, 2029 expiration, the ALGN put/call ratio based on open interest is 40.00 (40 puts vs 1 calls). A ratio above 1 means more puts than calls.

What is ALGN's implied volatility?

At-the-money implied volatility for ALGN options expiring January 19, 2029 is about 41.5%, an annualized estimate of how much the market expects Align Technology stock to move.

How many ALGN option expiration dates are there?

ALGN has 14 listed expiration dates, from Oct 16, 2026 to Jan 19, 2029.

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.