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 21, 2028
Days to expiration: 468
Share price: $31.00
Put/call ratio (OI): 0.04
Put/call ratio (volume): 0.37
ATM implied volatility: 58.7%
Expected move: ±$20.60
Open interest (C / P): 8.25K / 290

COGT options summary

The COGT options chain for the January 21, 2028 expiration lists 20 call and 15 put contracts, with 468 days until expiration. Open interest stands at 8,246 calls and 290 puts, a put/call ratio of 0.04, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $30.00 strike is 58.7%, which implies the market expects a move of about ±$20.60 (66.4%) in Cogent Biosciences stock by expiration.

The most open interest sits at the $55.00 call (2.45K contracts) and the $25.00 put (211 contracts).

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

COGT options chain · January 21, 2028

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
24	2	—	30.60	34.20	38.80	3.00	—	—	—	—	—	—
1	—	—	35.44	29.00	34.00	5.00	—	—	—	—	—	—
0	2	—	30.00	0.00	0.00	10.00	0.00	4.90	0.50	121.7%	7	16
3	—	182.2%	26.25	23.00	28.00	12.00	—	—	—	—	—	—
—	—	—	—	—	—	15.00	0.00	4.80	2.06	83.0%	1	1
1	1	147.2%	22.75	19.50	24.50	17.00	0.00	0.00	2.30	12.5%	1	0
11	9	68.3%	15.00	12.10	16.50	20.00	0.05	4.80	2.96	58.3%	1	2
56	17	68.2%	13.00	11.10	15.30	22.00	1.10	3.50	2.50	61.1%	—	1
33	1	64.8%	11.30	9.00	13.70	25.00	1.60	6.40	4.60	52.9%	24	211
5	1	64.4%	12.91	8.10	12.70	27.00	0.00	0.00	5.75	3.1%	—	0
1,079	10	65.2%	8.83	7.20	11.40	30.00	4.20	9.00	6.04	52.2%	1	26
COGT $31.00
7	15	63.4%	9.10	6.10	10.60	32.00	0.00	0.00	8.80	—	—	0
1,446	50	61.3%	7.13	4.70	9.50	35.00	7.20	12.00	9.80	50.5%	10	10
5	5	61.1%	7.60	4.10	8.90	37.00	7.40	11.80	11.10	56.1%	10	11
248	20	60.2%	6.00	3.20	8.00	40.00	8.60	13.50	12.80	52.3%	—	10
63	3	59.5%	7.20	2.60	7.50	42.00	14.10	19.00	14.88	63.1%	—	0
0	5	6.3%	8.00	0.00	0.00	45.00	—	—	—	—	—	—
449	8	58.0%	5.35	1.05	5.80	50.00	21.00	23.90	20.10	58.2%	2	2
2,453	35	54.6%	2.15	0.05	4.70	55.00	—	—	—	—	—	—
2,362	1	55.8%	2.00	0.05	4.00	60.00	27.60	32.20	30.20	66.0%	11	0
0	—	12.5%	3.00	0.00	0.00	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 21, 2028 expiration, the COGT put/call ratio based on open interest is 0.04 (290 puts vs 8,246 calls), and 0.37 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 21, 2028 is about 58.7%, 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.