Definium Therapeutics (DFTX) Options Chain

NASDAQ: DFTXHealth Care Medicinal Chemicals and Botanical Products USD

36.90+2.72 (+7.96%)

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

Expiration date

Expiration: Jan 21, 2028
Days to expiration: 469
Share price: $36.90
Put/call ratio (OI): 0.39
Put/call ratio (volume): 0.38
ATM implied volatility: 66.0%
Expected move: ±$27.62
Open interest (C / P): 7.59K / 2.95K

DFTX options summary

The DFTX options chain for the January 21, 2028 expiration lists 24 call and 22 put contracts, with 469 days until expiration. Open interest stands at 7,595 calls and 2,946 puts, a put/call ratio of 0.39, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $37.00 strike is 66.0%, which implies the market expects a move of about ±$27.62 (74.9%) in Definium Therapeutics stock by expiration.

The most open interest sits at the $50.00 call (3.31K contracts) and the $45.00 put (928 contracts).

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

DFTX options chain · January 21, 2028

DFTX 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	4	—	41.30	0.00	0.00	3.00	—	—	—	—	—	—
0	30	—	40.00	0.00	0.00	5.00	—	—	—	—	—	—
63	1	114.2%	32.40	28.60	32.90	7.00	0.00	4.20	0.36	156.4%	2	187
215	6	102.3%	29.85	26.00	30.40	10.00	0.00	2.05	0.40	95.0%	1	54
185	3	94.3%	26.00	24.50	28.40	12.00	0.00	2.15	1.07	83.7%	1	28
92	2	87.6%	26.72	22.10	26.00	15.00	0.00	4.80	0.85	91.6%	3	77
199	2	84.5%	20.80	21.10	24.00	17.00	0.20	4.80	2.78	82.4%	2	47
467	1	82.6%	21.65	18.70	22.50	20.00	0.50	5.00	2.50	71.8%	3	213
172	1	78.7%	20.00	17.30	20.90	22.00	0.90	5.00	3.32	65.8%	2	167
170	3	77.5%	16.60	15.70	19.10	25.00	2.65	5.50	5.02	64.9%	1	18
38	1	78.1%	19.00	14.50	18.50	27.00	2.60	6.50	6.22	61.3%	1	4
214	4	71.9%	15.20	13.50	15.20	30.00	4.70	7.80	6.31	63.0%	8	130
44	1	77.2%	12.23	12.50	16.00	32.00	5.70	9.00	8.17	63.1%	5	182
297	1	72.9%	11.55	11.10	13.90	35.00	6.70	10.50	8.84	59.7%	1	109
DFTX $36.90
237	1	72.0%	10.55	10.30	13.00	37.00	8.30	11.50	9.80	60.1%	1	160
231	5	69.9%	10.20	8.60	12.10	40.00	9.70	13.50	12.52	58.5%	4	59
92	3	70.5%	8.85	8.10	11.60	42.00	11.40	14.70	14.56	58.9%	3	75
636	1	70.9%	9.30	8.60	9.60	45.00	14.50	16.40	16.20	60.4%	1	928
89	50	69.7%	7.70	6.60	10.20	47.00	14.80	18.00	18.48	57.1%	2	14
3,308	2	70.8%	7.50	7.60	8.20	50.00	17.10	20.20	18.36	56.7%	2	469
141	3	70.8%	5.50	6.60	7.20	55.00	19.60	23.00	21.36	58.7%	—	1
261	8	70.8%	5.90	5.10	7.00	60.00	22.60	27.00	25.10	57.4%	—	1
77	1	71.6%	5.00	4.50	6.40	65.00	0.00	0.00	26.90	—	—	0
367	5	70.8%	4.00	3.50	5.90	70.00	33.60	37.00	34.20	53.3%	10	23

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 DFTX put/call ratio?

For the January 21, 2028 expiration, the DFTX put/call ratio based on open interest is 0.39 (2,946 puts vs 7,595 calls), and 0.38 based on today's volume. A ratio above 1 means more puts than calls.

What is DFTX's implied volatility?

At-the-money implied volatility for DFTX options expiring January 21, 2028 is about 66.0%, an annualized estimate of how much the market expects Definium Therapeutics stock to move.

How many DFTX option expiration dates are there?

DFTX has 7 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.