Cullinan Therapeutics (CGEM) Options Chain

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

15.53+0.07 (+0.45%)

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

Expiration date

Expiration: Mar 19, 2027
Days to expiration: 159
Share price: $15.53
Put/call ratio (OI): 0.61
Put/call ratio (volume): 1.92
ATM implied volatility: 111.1%
Expected move: ±$11.39
Open interest (C / P): 512 / 314

CGEM options summary

The CGEM options chain for the March 19, 2027 expiration lists 11 call and 7 put contracts, with 159 days until expiration. Open interest stands at 512 calls and 314 puts, a put/call ratio of 0.61, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $15.00 strike is 111.1%, which implies the market expects a move of about ±$11.39 (73.3%) in Cullinan Therapeutics stock by expiration.

The most open interest sits at the $15.00 call (307 contracts) and the $30.00 put (91 contracts).

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

CGEM options chain · March 19, 2027

CGEM 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	—	—	10.00	6.50	10.50	5.00	—	—	—	—	—	—
73	28	107.3%	8.30	6.00	10.50	8.00	0.00	4.90	1.20	192.3%	—	4
6	—	105.0%	5.40	3.50	8.00	12.00	—	—	—	—	—	—
307	83	111.1%	4.62	3.80	5.50	15.00	—	—	—	—	—	—
CGEM $15.53
32	81	106.9%	7.72	1.60	6.00	17.00	2.50	7.00	4.89	94.0%	—	5
59	7	112.4%	5.58	1.50	4.90	20.00	4.60	9.00	6.55	91.2%	50	45
11	22	108.4%	5.02	0.30	4.90	22.00	6.10	10.50	5.57	89.3%	193	58
5	1	114.1%	1.20	0.10	4.50	25.00	8.70	13.00	11.20	90.1%	64	58
1	1	97.8%	1.60	0.40	2.40	27.00	10.30	14.50	13.20	83.8%	60	53
13	1	135.7%	1.45	0.05	4.90	30.00	13.00	17.50	11.49	87.7%	64	91
2	1	148.5%	1.20	0.00	4.90	35.00	—	—	—	—	—	—

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 CGEM put/call ratio?

For the March 19, 2027 expiration, the CGEM put/call ratio based on open interest is 0.61 (314 puts vs 512 calls), and 1.92 based on today's volume. A ratio above 1 means more puts than calls.

What is CGEM's implied volatility?

At-the-money implied volatility for CGEM options expiring March 19, 2027 is about 111.1%, an annualized estimate of how much the market expects Cullinan Therapeutics stock to move.

How many CGEM option expiration dates are there?

CGEM has 8 listed expiration dates, from Oct 16, 2026 to Dec 17, 2027.

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.