Kratos Defense & Security Solutions (KTOS) Options Chain

NASDAQ: KTOSIndustrialsMilitary/Government/TechnicalUSD

42.36+0.43 (+1.03%)

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

After hours: 42.44 +0.19%

Expiration date

Expiration: Oct 9, 2026
Days to expiration: 0
Share price: $42.36
Put/call ratio (OI): 0.46
Put/call ratio (volume): 1.52
ATM implied volatility: 33.1%
Expected move: ±$0.734
Open interest (C / P): 5.78K / 2.68K

KTOS options summary

The KTOS options chain for the October 9, 2026 expiration lists 46 call and 40 put contracts, expiring today. Open interest stands at 5,783 calls and 2,684 puts, a put/call ratio of 0.46, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $42.50 strike is 33.1%, which implies the market expects a move of about ±$0.734 (1.7%) in Kratos Defense & Security Solutions stock by expiration.

The most open interest sits at the $45.00 call (670 contracts) and the $41.00 put (509 contracts).

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

KTOS options chain · October 9, 2026

KTOS 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
—	—	—	11.90	—	—	30.00	—	—	—	—	—	—
—	—	—	7.90	—	—	34.00	0.00	2.15	0.07	494.1%	—	1
5	3	189.1%	7.13	5.80	9.00	35.00	0.00	0.25	0.03	235.9%	2	7
—	—	—	7.40	—	—	36.00	0.00	2.15	0.05	409.0%	1	1
90	3	184.4%	5.12	3.70	7.30	37.00	0.00	0.50	0.10	215.2%	4	5
4	2	139.8%	4.20	2.60	6.30	38.00	0.00	2.15	0.05	324.6%	1	18
15	2	298.1%	3.77	1.80	4.90	38.50	0.00	1.25	0.04	235.6%	48	77
—	—	—	2.84	—	—	39.00	0.00	0.35	0.09	135.9%	28	56
14	1	294.7%	2.92	1.00	4.20	39.50	0.00	0.05	0.06	75.0%	1	138
13	5	175.8%	1.85	2.05	3.90	40.00	0.00	0.05	0.10	64.1%	3	321
7	1	100.8%	1.70	0.90	3.30	40.50	0.00	0.05	0.04	53.1%	2	280
340	5	150.4%	1.30	0.90	3.30	41.00	0.00	0.05	0.03	48.4%	32	509
353	24	130.7%	0.77	0.40	2.85	41.50	0.00	0.35	0.15	55.9%	9	106
48	58	85.9%	0.30	0.00	0.95	42.00	0.00	0.10	0.04	26.9%	120	468
KTOS $42.36
119	131	18.2%	0.05	0.00	0.10	42.50	0.05	0.50	0.27	48.0%	50	70
107	67	43.8%	0.07	0.00	0.15	43.00	0.20	0.70	0.65	29.7%	260	346
636	43	91.8%	0.04	0.00	0.75	43.50	0.00	2.35	1.30	192.0%	72	81
171	48	53.9%	0.03	0.00	0.05	44.00	0.40	3.40	1.77	92.8%	35	71
195	47	213.5%	0.45	0.00	2.10	44.50	0.30	4.20	2.31	80.5%	3	20
670	40	141.0%	0.05	0.00	0.75	45.00	2.30	3.60	2.60	130.9%	49	77
211	4	119.9%	0.05	0.00	0.35	45.50	3.00	4.90	3.24	218.4%	4	14
666	18	120.3%	0.10	0.00	0.25	46.00	2.40	4.90	3.67	73.4%	1	0
121	61	285.6%	0.03	0.00	2.15	46.50	2.90	5.40	4.57	81.3%	245	0
425	32	103.1%	0.08	0.00	0.05	47.00	3.40	6.70	5.00	202.7%	83	1
64	12	316.4%	0.05	0.00	2.15	47.50	3.20	7.10	5.50	96.9%	1	0
333	3	184.4%	0.03	0.00	0.40	48.00	4.40	7.70	5.79	228.1%	5	2
39	3	261.1%	0.03	0.00	1.05	48.50	4.80	7.90	6.22	197.7%	5	5
107	12	135.9%	0.02	0.00	0.05	49.00	5.30	8.70	6.60	242.2%	36	0
8	—	372.9%	0.08	0.00	2.15	49.50	6.40	8.20	8.30	204.7%	27	2
304	62	292.6%	0.02	0.00	1.00	50.00	5.70	9.70	7.83	175.8%	3	1
78	2	411.7%	0.05	0.00	2.15	51.00	7.30	10.00	7.10	146.9%	2	0
150	2	181.3%	0.06	0.00	0.05	52.00	7.60	10.90	10.00	463.9%	87	0
40	24	196.9%	0.05	0.00	0.05	53.00	8.70	12.10	11.10	517.2%	1	0
114	61	482.0%	0.08	0.00	2.15	54.00	10.30	13.00	12.00	187.5%	1	1
108	1	397.3%	0.52	0.00	1.00	55.00	11.30	14.00	12.93	198.4%	1	6
47	1	525.0%	0.49	0.00	2.15	56.00	11.80	15.30	8.99	615.2%	1	0
8	3	275.0%	0.50	0.00	0.10	57.00	—	—	—	—	—	—
17	1	564.8%	0.01	0.00	2.15	58.00	13.60	17.60	15.52	701.4%	1	0
10	1	584.0%	0.11	0.00	2.15	59.00	—	—	—	—	—	—
75	21	312.5%	0.01	0.00	0.10	60.00	15.60	19.70	17.48	256.3%	2	0
43	1	296.9%	1.10	0.00	0.05	61.00	—	—	—	—	—	—
3	1	638.3%	1.07	0.00	2.15	62.00	17.70	21.60	13.70	275.0%	1	0
2	1	655.5%	1.08	0.00	2.15	63.00	—	—	—	—	—	—
—	—	—	—	—	—	64.00	19.60	23.60	16.65	818.0%	5	0
8	2	475.0%	0.05	0.00	0.45	65.00	20.70	24.70	17.70	381.3%	3	0
5	—	425.0%	0.69	0.00	0.10	70.00	—	—	—	—	—	—
10	2	832.8%	0.12	0.00	2.15	75.00	—	—	—	—	—	—

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 KTOS put/call ratio?

For the October 9, 2026 expiration, the KTOS put/call ratio based on open interest is 0.46 (2,684 puts vs 5,783 calls), and 1.52 based on today's volume. A ratio above 1 means more puts than calls.

What is KTOS's implied volatility?

At-the-money implied volatility for KTOS options expiring October 9, 2026 is about 33.1%, an annualized estimate of how much the market expects Kratos Defense & Security Solutions stock to move.

How many KTOS option expiration dates are there?

KTOS has 13 listed expiration dates, from Oct 9, 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.