CME Group (CME) Options Chain

NASDAQ: CMEFinanceInvestment Bankers/Brokers/ServiceUSD

280.56+4.12 (+1.49%)

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

Expiration date

Expiration: Dec 18, 2026
Days to expiration: 68
Share price: $280.56
Put/call ratio (OI): 1.53
Put/call ratio (volume): 0.80
ATM implied volatility: 30.1%
Expected move: ±$36.51
Open interest (C / P): 4.26K / 6.50K

CME options summary

The CME options chain for the December 18, 2026 expiration lists 32 call and 28 put contracts, with 68 days until expiration. Open interest stands at 4,256 calls and 6,497 puts, a put/call ratio of 1.53, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $280.00 strike is 30.1%, which implies the market expects a move of about ±$36.51 (13.0%) in CME Group stock by expiration.

The most open interest sits at the $300.00 call (1.03K contracts) and the $220.00 put (1.85K contracts).

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

CME options chain · December 18, 2026

CME 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
—	—	—	—	—	—	135.00	0.00	2.30	0.13	94.0%	49	191
1	1	82.2%	133.15	139.60	142.90	140.00	0.00	2.30	0.12	89.9%	2	49
4	—	89.6%	102.62	132.80	137.00	145.00	0.00	2.30	1.13	85.9%	49	426
0	—	—	118.62	0.00	0.00	150.00	0.00	0.80	0.27	68.8%	5	643
—	—	—	—	—	—	155.00	0.00	0.00	0.35	25.0%	1	0
—	—	—	—	—	—	160.00	0.00	2.30	1.11	74.6%	10	226
—	—	—	—	—	—	165.00	0.00	2.00	3.06	69.2%	11	287
—	—	—	—	—	—	170.00	0.00	2.40	0.30	68.1%	1	6
—	—	—	—	—	—	175.00	0.00	1.55	2.80	59.6%	1	4
3	2	58.6%	102.80	99.80	103.20	180.00	0.00	0.70	0.75	55.5%	5	26
3	—	65.4%	51.72	93.70	97.60	185.00	0.00	1.00	0.25	56.2%	1	19
—	—	—	—	—	—	190.00	0.00	2.50	0.33	55.6%	20	440
52	12	57.9%	48.30	84.00	87.50	195.00	0.05	2.55	0.40	52.9%	22	84
7	1	60.7%	78.22	80.00	83.50	200.00	0.00	1.25	0.68	49.4%	4	63
0	4	—	63.14	0.00	0.00	210.00	0.20	0.80	0.60	39.6%	6	167
26	1	49.0%	61.80	60.70	63.90	220.00	0.25	1.10	0.90	36.7%	1	1,850
116	1	44.3%	42.80	51.20	54.40	230.00	0.85	2.10	1.30	36.9%	1	244
206	1	40.0%	37.20	41.90	45.10	240.00	0.95	2.95	2.05	34.3%	1	445
322	2	36.8%	26.00	33.20	36.40	250.00	2.80	4.60	3.25	33.2%	9	614
349	3	31.9%	27.70	25.00	27.40	260.00	5.00	5.60	5.10	28.7%	3	240
259	2	31.7%	17.62	18.40	21.00	270.00	7.80	8.70	9.20	27.9%	2	324
452	3	30.3%	13.33	12.40	15.00	280.00	12.00	14.30	16.40	30.0%	5	24
CME $280.56
448	3	28.6%	8.10	8.90	9.90	290.00	16.10	19.50	29.93	28.9%	2	75
1,032	18	27.4%	5.80	5.60	6.20	300.00	23.00	25.90	24.80	28.0%	1	21
199	10	27.3%	3.40	3.40	3.90	310.00	56.10	60.10	63.00	82.0%	6	0
94	1	28.0%	2.10	1.50	2.60	320.00	36.70	40.30	37.10	20.7%	—	21
339	1	28.1%	1.40	1.15	1.60	330.00	—	—	—	—	—	—
61	8	33.5%	1.47	0.05	1.95	340.00	53.10	57.00	41.20	—	2	6
25	1	37.0%	1.10	0.05	1.95	350.00	—	—	—	—	—	—
104	1	38.8%	0.70	0.05	1.65	360.00	—	—	—	—	—	—
2	2	42.2%	1.05	0.05	1.70	370.00	—	—	—	—	—	—
13	1	49.0%	1.00	0.00	2.40	380.00	—	—	—	—	—	—
13	14	47.5%	0.30	0.15	1.60	390.00	—	—	—	—	—	—
14	17	47.8%	0.75	0.05	1.25	400.00	87.10	91.20	117.50	—	—	2
10	10	50.8%	0.55	0.00	2.60	410.00	—	—	—	—	—	—
1	1	53.0%	0.65	0.00	2.55	420.00	—	—	—	—	—	—
0	4	25.0%	1.85	0.00	0.00	430.00	—	—	—	—	—	—
1	—	57.5%	1.80	0.00	2.50	440.00	—	—	—	—	—	—
100	150	58.7%	0.01	0.00	2.25	450.00	—	—	—	—	—	—

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 CME put/call ratio?

For the December 18, 2026 expiration, the CME put/call ratio based on open interest is 1.53 (6,497 puts vs 4,256 calls), and 0.80 based on today's volume. A ratio above 1 means more puts than calls.

What is CME's implied volatility?

At-the-money implied volatility for CME options expiring December 18, 2026 is about 30.1%, an annualized estimate of how much the market expects CME Group stock to move.

How many CME option expiration dates are there?

CME has 13 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.