Inhibrx Biosciences (INBX) Options Chain

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

95.01+2.25 (+2.43%)

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

Expiration date

Expiration: Jan 15, 2027
Days to expiration: 96
Share price: $95.01
Put/call ratio (OI): 0.11
Put/call ratio (volume): 0.79
ATM implied volatility: 157.7%
Expected move: ±$76.86
Open interest (C / P): 3.23K / 360

INBX options summary

The INBX options chain for the January 15, 2027 expiration lists 46 call and 28 put contracts, with 96 days until expiration. Open interest stands at 3,229 calls and 360 puts, a put/call ratio of 0.11, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $95.00 strike is 157.7%, which implies the market expects a move of about ±$76.86 (80.9%) in Inhibrx Biosciences stock by expiration.

The most open interest sits at the $90.00 call (586 contracts) and the $70.00 put (115 contracts).

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

INBX options chain · January 15, 2027

INBX 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
—	—	—	—	—	—	2.50	0.00	5.00	1.50	—	—	4
3	—	—	18.40	26.00	31.00	5.00	—	—	—	—	—	—
3	1	—	109.00	77.00	87.00	7.50	0.00	5.00	1.65	430.7%	—	4
3	1	435.8%	133.50	79.00	88.90	10.00	0.00	0.00	1.00	50.0%	10	0
1	1	—	72.00	54.50	59.50	12.50	0.00	5.00	1.00	324.7%	—	1
3	1	343.0%	85.50	76.00	84.00	15.00	0.00	0.00	1.25	50.0%	—	0
12	1	—	98.40	67.10	77.00	17.50	0.00	10.00	0.50	339.6%	1	1
5	6	—	54.60	68.00	72.60	20.00	—	—	—	—	—	—
11	10	—	57.00	59.50	64.00	22.50	—	—	—	—	—	—
3	10	243.8%	91.38	65.00	74.00	25.00	0.00	0.00	1.80	50.0%	—	0
1	10	141.0%	93.82	56.00	65.90	30.00	0.00	10.00	1.00	230.3%	1	2
14	10	125.1%	82.69	56.00	65.90	35.00	0.00	10.00	1.76	202.5%	3	14
0	1	—	64.00	0.00	0.00	40.00	—	—	—	—	—	—
3	1	144.9%	109.50	45.00	53.90	45.00	5.50	10.50	11.50	193.8%	7	7
1	—	84.9%	105.00	41.00	50.90	50.00	7.50	12.50	13.50	192.7%	6	5
163	1	98.6%	42.50	39.00	46.20	55.00	0.00	0.00	14.90	25.0%	3	0
503	1	91.8%	41.00	34.00	42.20	60.00	0.10	10.00	4.00	111.1%	60	71
—	—	—	—	—	—	65.00	0.10	10.00	4.02	97.6%	70	70
0	1	—	49.00	0.00	0.00	70.00	1.00	10.00	5.10	88.4%	115	115
0	50	—	33.00	0.00	0.00	75.00	10.00	19.00	12.90	135.7%	105	15
131	1	261.2%	20.14	48.00	55.00	80.00	14.10	24.00	11.10	147.6%	—	1
67	1	250.6%	18.14	45.00	52.00	85.00	—	—	—	—	—	—
586	83	84.9%	46.20	15.00	22.30	90.00	9.00	16.90	14.00	81.2%	1	3
104	2	230.3%	14.90	39.00	46.00	95.00	12.00	21.00	16.00	85.2%	1	2
INBX $95.01
151	71	95.2%	15.29	14.70	18.30	100.00	15.10	24.00	19.00	85.2%	1	18
106	100	86.1%	25.20	9.00	17.00	105.00	27.00	37.00	28.88	132.5%	2	2
61	4	86.3%	15.00	7.00	16.00	110.00	45.00	49.50	49.30	194.6%	—	1
529	2	87.4%	19.00	6.00	14.70	115.00	0.00	0.00	59.30	—	1	0
128	1	84.0%	8.60	5.00	12.00	120.00	29.30	37.00	24.90	82.2%	1	5
17	10	89.9%	26.03	4.00	13.00	125.00	33.20	41.00	29.20	82.2%	2	3
198	1	85.4%	12.20	3.00	10.50	130.00	36.80	45.00	30.50	80.5%	2	10
4	2	89.1%	24.90	2.10	11.00	135.00	—	—	—	—	—	—
145	25	97.8%	5.50	4.50	10.00	140.00	—	—	—	—	—	—
14	2	92.7%	9.40	1.40	10.00	145.00	—	—	—	—	—	—
115	69	89.5%	5.92	4.00	5.20	150.00	—	—	—	—	—	—
2	3	102.5%	4.60	3.00	9.00	155.00	—	—	—	—	—	—
34	10	99.8%	5.60	0.10	10.00	160.00	—	—	—	—	—	—
3	—	134.0%	28.98	5.10	15.00	165.00	—	—	—	—	—	—
5	2	108.5%	9.10	0.70	10.00	170.00	69.40	78.00	86.40	90.9%	5	5
2	—	132.3%	16.00	4.00	13.20	175.00	—	—	—	—	—	—
13	1	112.5%	10.68	0.10	10.00	180.00	—	—	—	—	—	—
0	1	25.0%	8.00	0.00	0.00	185.00	—	—	—	—	—	—
4	—	128.2%	27.70	2.00	11.00	190.00	—	—	—	—	—	—
0	1	25.0%	8.15	0.00	0.00	195.00	—	—	—	—	—	—
69	5	123.3%	3.00	0.10	10.00	200.00	109.10	119.00	117.00	149.8%	—	1
1	—	131.5%	12.67	1.00	10.00	210.00	—	—	—	—	—	—
7	1	132.8%	3.10	0.10	10.00	220.00	—	—	—	—	—	—
4	1	137.1%	8.00	0.10	10.00	230.00	—	—	—	—	—	—

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 INBX put/call ratio?

For the January 15, 2027 expiration, the INBX put/call ratio based on open interest is 0.11 (360 puts vs 3,229 calls), and 0.79 based on today's volume. A ratio above 1 means more puts than calls.

What is INBX's implied volatility?

At-the-money implied volatility for INBX options expiring January 15, 2027 is about 157.7%, an annualized estimate of how much the market expects Inhibrx Biosciences stock to move.

How many INBX option expiration dates are there?

INBX has 5 listed expiration dates, from Oct 16, 2026 to May 21, 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.