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: Jan 15, 2027
Days to expiration: 97
Share price: $15.53
Put/call ratio (OI): 0.24
Put/call ratio (volume): 3.79
ATM implied volatility: 108.0%
Expected move: ±$8.64
Open interest (C / P): 2.40K / 586

CGEM options summary

The CGEM options chain for the January 15, 2027 expiration lists 18 call and 17 put contracts, with 97 days until expiration. Open interest stands at 2,405 calls and 586 puts, a put/call ratio of 0.24, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $16.00 strike is 108.0%, which implies the market expects a move of about ±$8.64 (55.7%) in Cullinan Therapeutics stock by expiration.

The most open interest sits at the $35.00 call (532 contracts) and the $15.00 put (190 contracts).

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

CGEM options chain · January 15, 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
—	—	—	—	—	—	7.00	0.00	4.90	0.35	282.2%	—	1
—	—	—	—	—	—	8.00	0.00	4.90	0.50	245.7%	—	1
—	—	—	—	—	—	9.00	0.00	4.90	1.40	215.0%	1	3
2	—	106.9%	8.10	4.20	8.50	10.00	—	—	—	—	—	—
1	1	359.4%	7.20	8.50	13.00	12.00	0.00	3.80	2.27	121.3%	—	15
12	—	113.2%	4.19	2.40	7.00	13.00	0.00	4.90	1.60	123.6%	1	1
1	2	112.4%	3.85	1.90	6.50	14.00	0.00	4.90	2.00	104.8%	1	1
147	1	117.6%	3.50	2.75	5.10	15.00	0.20	4.90	4.75	89.8%	22	190
CGEM $15.53
23	20	122.7%	3.10	2.10	5.30	16.00	1.00	5.50	3.18	93.3%	10	66
7	2	263.6%	4.50	5.50	9.50	17.00	1.70	6.40	2.56	98.1%	96	9
4	24	108.5%	6.30	0.30	4.90	18.00	—	—	—	—	—	—
178	12	118.7%	6.28	0.40	4.90	19.00	3.30	7.50	3.29	96.2%	2	4
413	37	106.9%	2.00	0.95	3.10	20.00	3.80	8.50	6.00	95.9%	168	23
113	8	84.1%	1.54	0.10	2.15	21.00	4.50	9.00	6.70	89.5%	—	20
296	154	91.1%	4.08	0.10	2.20	22.00	5.50	10.00	8.03	95.7%	50	16
1	1	105.5%	5.06	0.00	2.80	23.00	6.20	10.50	6.20	86.7%	50	24
221	14	113.4%	1.14	0.00	2.95	24.00	7.00	11.50	6.35	87.8%	714	116
442	46	109.6%	1.22	0.35	2.10	25.00	8.00	12.30	6.90	88.2%	240	75
12	1	124.9%	2.90	0.10	2.70	27.00	9.50	14.00	12.86	75.5%	60	21
0	1	25.0%	2.65	0.00	0.00	30.00	—	—	—	—	—	—
532	49	189.8%	0.89	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 January 15, 2027 expiration, the CGEM put/call ratio based on open interest is 0.24 (586 puts vs 2,405 calls), and 3.79 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 January 15, 2027 is about 108.0%, 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.