CarMax (KMX) Options Chain

NYSE: KMXConsumer DiscretionaryRetail-Auto Dealers and Gas StationsUSD

52.61-1.18 (-2.19%)

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

Expiration date

Expiration: Dec 15, 2028
Days to expiration: 796
Share price: $52.61
Put/call ratio (OI): 0.11
Put/call ratio (volume): 0.21
ATM implied volatility: 55.0%
Expected move: ±$42.72
Open interest (C / P): 6.43K / 731

KMX options summary

The KMX options chain for the December 15, 2028 expiration lists 25 call and 19 put contracts, with 796 days until expiration. Open interest stands at 6,428 calls and 731 puts, a put/call ratio of 0.11, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $52.50 strike is 55.0%, which implies the market expects a move of about ±$42.72 (81.2%) in CarMax stock by expiration.

The most open interest sits at the $50.00 call (2.22K contracts) and the $45.00 put (335 contracts).

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

KMX options chain · December 15, 2028

KMX 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
6	2	167.9%	33.50	44.40	47.50	20.00	0.00	0.00	1.40	12.5%	2	0
—	—	—	—	—	—	22.50	0.00	0.00	1.80	12.5%	11	0
2	—	—	22.50	16.50	21.50	25.00	1.85	2.10	2.03	49.9%	3	4
27	1	68.6%	32.90	29.70	31.90	27.50	0.00	0.00	2.75	12.5%	1	0
4	6	66.3%	31.80	28.00	30.10	30.00	1.70	3.20	2.25	47.3%	10	16
0	2	50.4%	16.60	23.00	26.50	32.50	2.20	3.90	3.42	46.4%	1	3
205	8	110.8%	32.90	34.00	36.30	35.00	4.20	4.60	4.17	45.1%	10	52
361	6	61.5%	34.50	23.30	25.40	37.50	4.90	7.50	4.82	53.7%	1	8
305	14	60.6%	25.60	22.00	24.00	40.00	5.70	7.40	5.50	47.9%	8	28
689	3	59.5%	31.50	20.70	22.60	42.50	6.70	7.20	6.40	42.1%	1	10
627	87	58.4%	22.48	19.40	21.30	45.00	7.70	8.20	7.80	41.1%	335	335
660	131	57.4%	22.55	18.20	20.00	47.50	7.50	12.50	12.10	51.9%	3	4
2,219	1,691	56.7%	24.80	17.10	18.90	50.00	8.40	10.80	11.10	40.5%	4	38
54	53	53.3%	19.73	14.50	17.80	52.50	12.40	17.00	19.25	56.7%	—	1
KMX $52.61
9	2	52.2%	21.90	13.30	16.70	55.00	12.50	13.20	11.40	38.3%	1	2
4	6	51.9%	15.50	12.50	15.70	57.50	13.70	17.00	12.65	45.3%	1	6
271	122	53.5%	15.97	11.50	16.20	60.00	—	—	—	—	—	—
75	75	53.0%	14.55	10.50	15.50	62.50	16.80	17.80	15.33	36.6%	1	6
8	3	53.7%	19.40	10.60	14.50	65.00	0.00	0.00	27.14	—	1	0
223	8	53.2%	12.10	9.40	13.00	70.00	21.70	23.80	19.13	37.7%	75	218
662	11	53.0%	11.40	9.60	11.60	72.50	—	—	—	—	—	—
1	1	51.1%	10.80	7.00	12.00	75.00	—	—	—	—	—	—
5	1	52.9%	12.96	6.00	9.10	80.00	—	—	—	—	—	—
1	2	52.3%	8.75	5.90	8.10	85.00	—	—	—	—	—	—
6	5	51.8%	12.10	5.10	7.20	90.00	—	—	—	—	—	—
4	—	51.6%	10.85	5.40	6.50	95.00	—	—	—	—	—	—

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 KMX put/call ratio?

For the December 15, 2028 expiration, the KMX put/call ratio based on open interest is 0.11 (731 puts vs 6,428 calls), and 0.21 based on today's volume. A ratio above 1 means more puts than calls.

What is KMX's implied volatility?

At-the-money implied volatility for KMX options expiring December 15, 2028 is about 55.0%, an annualized estimate of how much the market expects CarMax stock to move.

How many KMX option expiration dates are there?

KMX has 8 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.