Ionis Pharmaceuticals (IONS) Options Chain

NASDAQ: IONSHealth CareBiotechnology: Pharmaceutical PreparationsUSD

45.28+1.98 (+4.57%)

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

Expiration date

Expiration: Jan 19, 2029
Days to expiration: 831
Share price: $45.28
Put/call ratio (OI): 4.92
Put/call ratio (volume): 7.55
ATM implied volatility: 45.6%
Expected move: ±$31.13
Open interest (C / P): 51 / 251

IONS options summary

The IONS options chain for the January 19, 2029 expiration lists 8 call and 6 put contracts, with 831 days until expiration. Open interest stands at 51 calls and 251 puts, a put/call ratio of 4.92, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $40.00 strike is 45.6%, which implies the market expects a move of about ±$31.13 (68.7%) in Ionis Pharmaceuticals stock by expiration.

The most open interest sits at the $60.00 call (39 contracts) and the $57.50 put (162 contracts).

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

IONS options chain · January 19, 2029

IONS 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
2	1	62.3%	24.00	22.60	27.50	25.00	—	—	—	—	—	—
2	1	57.2%	23.90	20.60	25.10	27.50	—	—	—	—	—	—
1	—	55.9%	20.28	17.50	22.50	32.50	—	—	—	—	—	—
2	2	54.3%	19.06	16.00	21.00	35.00	—	—	—	—	—	—
—	—	—	—	—	—	40.00	4.50	9.00	6.00	45.6%	—	1
IONS $45.28
—	—	—	—	—	—	52.50	11.60	15.90	14.80	41.4%	44	23
2	2	58.0%	10.38	7.50	12.50	55.00	12.50	17.50	16.50	40.6%	10	5
—	—	—	—	—	—	57.50	15.10	19.20	18.20	40.0%	24	162
39	10	56.9%	9.25	6.00	11.00	60.00	16.00	21.00	19.18	39.6%	—	21
2	1	54.9%	6.30	4.60	9.40	65.00	—	—	—	—	—	—
1	5	53.2%	4.50	4.20	6.50	80.00	33.90	37.70	36.40	38.7%	88	39

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 IONS put/call ratio?

For the January 19, 2029 expiration, the IONS put/call ratio based on open interest is 4.92 (251 puts vs 51 calls), and 7.55 based on today's volume. A ratio above 1 means more puts than calls.

What is IONS's implied volatility?

At-the-money implied volatility for IONS options expiring January 19, 2029 is about 45.6%, an annualized estimate of how much the market expects Ionis Pharmaceuticals stock to move.

How many IONS option expiration dates are there?

IONS has 8 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.