CG Oncology (CGON) Options Chain

NASDAQ: CGONHealth CareBiotechnology: Biological Products (No Diagnostic Substances)USD

63.82+0.56 (+0.89%)

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

Expiration date

Expiration: Nov 20, 2026
Days to expiration: 40
Share price: $63.82
Put/call ratio (OI): 0.68
Put/call ratio (volume): 0.57
ATM implied volatility: 112.6%
Expected move: ±$23.79
Open interest (C / P): 2.60K / 1.76K

CGON options summary

The CGON options chain for the November 20, 2026 expiration lists 10 call and 9 put contracts, with 40 days until expiration. Open interest stands at 2,599 calls and 1,762 puts, a put/call ratio of 0.68, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $65.00 strike is 112.6%, which implies the market expects a move of about ±$23.79 (37.3%) in CG Oncology stock by expiration.

The most open interest sits at the $75.00 call (704 contracts) and the $70.00 put (568 contracts).

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

CGON options chain · November 20, 2026

CGON 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
—	—	—	—	—	—	40.00	0.00	4.70	1.05	149.5%	—	1
—	—	—	—	—	—	45.00	1.00	4.90	2.35	133.7%	1	2
1	1	128.5%	19.52	15.70	20.50	50.00	—	—	—	—	—	—
—	—	—	—	—	—	55.00	3.50	8.00	4.00	120.8%	10	11
—	—	—	—	—	—	60.00	5.70	8.80	7.30	109.8%	2	351
CGON $63.82
574	1,461	109.5%	9.67	7.00	10.60	65.00	8.80	12.20	10.48	115.7%	1,447	553
677	1,438	116.5%	7.63	6.70	8.40	70.00	11.10	15.00	13.40	108.5%	7	568
704	5	103.9%	4.50	3.50	6.50	75.00	14.20	18.50	16.15	105.9%	1	105
254	6	100.7%	3.35	2.00	5.20	80.00	17.70	22.30	16.60	103.6%	210	167
328	1	107.7%	5.39	1.00	5.40	85.00	21.50	26.30	15.30	100.8%	4	4
35	21	115.1%	1.55	1.00	4.90	90.00	—	—	—	—	—	—
24	21	117.1%	1.25	0.10	4.80	95.00	—	—	—	—	—	—
1	—	141.8%	1.95	0.00	4.90	110.00	—	—	—	—	—	—
1	—	148.9%	1.45	0.00	4.90	115.00	—	—	—	—	—	—

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 CGON put/call ratio?

For the November 20, 2026 expiration, the CGON put/call ratio based on open interest is 0.68 (1,762 puts vs 2,599 calls), and 0.57 based on today's volume. A ratio above 1 means more puts than calls.

What is CGON's implied volatility?

At-the-money implied volatility for CGON options expiring November 20, 2026 is about 112.6%, an annualized estimate of how much the market expects CG Oncology stock to move.

How many CGON option expiration dates are there?

CGON has 6 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.