Cogent Biosciences (COGT) Options Chain

NASDAQ: COGTHealth CareBiotechnology: Pharmaceutical PreparationsUSD

31.00+0.92 (+3.06%)

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

Expiration date

Expiration: Jan 15, 2027
Days to expiration: 96
Share price: $31.00
Put/call ratio (OI): 0.15
Put/call ratio (volume): 1.97
ATM implied volatility: 58.1%
Expected move: ±$9.23
Open interest (C / P): 7.50K / 1.12K

COGT options summary

The COGT options chain for the January 15, 2027 expiration lists 20 call and 16 put contracts, with 96 days until expiration. Open interest stands at 7,497 calls and 1,120 puts, a put/call ratio of 0.15, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $30.00 strike is 58.1%, which implies the market expects a move of about ±$9.23 (29.8%) in Cogent Biosciences stock by expiration.

The most open interest sits at the $50.00 call (1.61K contracts) and the $30.00 put (701 contracts).

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

COGT options chain · January 15, 2027

COGT 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
0	—	—	29.38	34.00	38.90	3.00	—	—	—	—	—	—
—	—	—	—	—	—	10.00	0.00	0.90	0.10	153.3%	1	2
1	1	602.5%	28.30	27.00	30.50	12.00	0.00	0.00	0.15	50.0%	1	0
0	10	—	25.90	0.00	0.00	15.00	0.00	4.70	0.25	180.7%	1	14
22	3	139.7%	15.50	12.10	15.80	17.00	0.00	4.70	0.35	156.8%	1	20
116	3	52.5%	10.75	9.20	13.10	20.00	0.05	3.70	0.60	113.7%	1	48
193	15	77.0%	10.10	8.80	11.40	22.00	0.00	4.70	0.80	108.3%	10	28
47	6	61.5%	8.67	5.60	9.00	25.00	0.80	2.50	2.50	69.1%	2	10
12	3	59.8%	7.50	4.10	7.70	27.00	0.30	4.70	2.71	71.0%	1	10
100	13	59.3%	4.50	2.15	6.30	30.00	2.15	4.00	3.50	56.8%	47	701
COGT $31.00
582	2	67.6%	3.65	2.65	5.10	32.00	2.60	6.90	3.80	65.6%	31	67
389	13	68.6%	2.75	2.50	3.30	35.00	4.80	8.80	5.80	67.0%	4	44
748	25	74.8%	1.88	1.35	4.10	37.00	6.30	10.30	8.97	67.8%	2	6
855	3	65.3%	1.43	1.05	2.00	40.00	9.40	12.40	10.50	72.2%	150	167
1,049	3	63.6%	1.15	0.80	1.45	42.00	10.20	13.50	11.30	57.7%	—	1
1,098	2	66.1%	1.37	0.25	1.50	45.00	—	—	—	—	—	—
0	2	25.0%	3.06	0.00	0.00	47.00	14.60	19.00	17.60	69.0%	1	1
1,610	2	70.6%	0.32	0.35	0.90	50.00	—	—	—	—	—	—
56	20	86.5%	0.40	0.00	1.70	55.00	—	—	—	—	—	—
615	1	92.1%	1.73	0.05	1.45	60.00	26.50	31.50	24.50	132.1%	1	1
4	2	137.7%	0.70	0.00	4.70	65.00	—	—	—	—	—	—

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 COGT put/call ratio?

For the January 15, 2027 expiration, the COGT put/call ratio based on open interest is 0.15 (1,120 puts vs 7,497 calls), and 1.97 based on today's volume. A ratio above 1 means more puts than calls.

What is COGT's implied volatility?

At-the-money implied volatility for COGT options expiring January 15, 2027 is about 58.1%, an annualized estimate of how much the market expects Cogent Biosciences stock to move.

How many COGT option expiration dates are there?

COGT 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.