PTC Therapeutics (PTCT) Options Chain

NASDAQ: PTCTHealth CareBiotechnology: Pharmaceutical PreparationsUSD

62.56-0.67 (-1.06%)

At close: Oct 8, 4:00 PM ET · Delayed 15 min

After hours: 62.56 0.00%

Expiration date

Expiration: Oct 16, 2026
Days to expiration: 8
Share price: $62.56
Put/call ratio (OI): 1.06
Put/call ratio (volume): 1.18
ATM implied volatility: 75.5%
Expected move: ±$6.99
Open interest (C / P): 150 / 159

PTCT options summary

The PTCT options chain for the October 16, 2026 expiration lists 8 call and 5 put contracts, with 8 days until expiration. Open interest stands at 150 calls and 159 puts, a put/call ratio of 1.06, which is fairly balanced between calls and puts. At-the-money implied volatility near the $65.00 strike is 75.5%, which implies the market expects a move of about ±$6.99 (11.2%) in PTC Therapeutics stock by expiration.

The most open interest sits at the $65.00 call (47 contracts) and the $60.00 put (60 contracts).

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

PTCT options chain · October 16, 2026

PTCT 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
—	—	—	—	—	—	50.00	0.00	2.15	0.20	144.3%	4	49
—	—	—	—	—	—	55.00	0.00	2.15	0.20	100.3%	—	18
—	—	—	—	—	—	60.00	0.00	2.80	0.80	64.5%	51	60
PTCT $62.56
47	11	62.2%	3.02	0.00	2.90	65.00	0.85	4.90	2.75	88.9%	3	21
35	28	88.1%	0.45	0.00	2.15	70.00	5.30	9.50	5.90	118.6%	2	11
5	1	118.1%	0.25	0.05	2.15	75.00	—	—	—	—	—	—
43	10	142.1%	0.80	0.00	2.15	80.00	—	—	—	—	—	—
2	1	164.3%	0.80	0.00	2.15	85.00	—	—	—	—	—	—
1	—	184.3%	0.45	0.00	2.15	90.00	—	—	—	—	—	—
12	—	202.5%	0.62	0.00	2.15	95.00	—	—	—	—	—	—
5	—	235.0%	0.15	0.00	2.15	105.00	—	—	—	—	—	—

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 PTCT put/call ratio?

For the October 16, 2026 expiration, the PTCT put/call ratio based on open interest is 1.06 (159 puts vs 150 calls), and 1.18 based on today's volume. A ratio above 1 means more puts than calls.

What is PTCT's implied volatility?

At-the-money implied volatility for PTCT options expiring October 16, 2026 is about 75.5%, an annualized estimate of how much the market expects PTC Therapeutics stock to move.

How many PTCT option expiration dates are there?

PTCT 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.