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: Nov 20, 2026
Days to expiration: 40
Share price: $280.56
Put/call ratio (OI): 0.78
Put/call ratio (volume): 1.99
ATM implied volatility: 30.0%
Expected move: ±$27.89
Open interest (C / P): 1.47K / 1.15K

CME options summary

The CME options chain for the November 20, 2026 expiration lists 17 call and 12 put contracts, with 40 days until expiration. Open interest stands at 1,471 calls and 1,150 puts, a put/call ratio of 0.78, which is fairly balanced between calls and puts. At-the-money implied volatility near the $280.00 strike is 30.0%, which implies the market expects a move of about ±$27.89 (9.9%) in CME Group stock by expiration.

The most open interest sits at the $270.00 call (328 contracts) and the $260.00 put (263 contracts).

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

CME options chain · November 20, 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
—	—	—	—	—	—	195.00	0.00	2.25	0.37	66.6%	—	10
—	—	—	—	—	—	200.00	0.00	2.25	0.35	62.7%	15	6
—	—	—	—	—	—	210.00	0.05	2.40	0.35	56.2%	14	32
0	—	—	54.26	0.00	0.00	220.00	0.05	1.75	1.05	53.2%	10	165
5	1	56.5%	34.06	50.10	54.20	230.00	0.05	1.80	0.95	45.9%	10	47
—	—	—	—	—	—	240.00	0.50	1.40	1.25	35.7%	10	75
1	1	42.4%	24.60	31.60	35.00	250.00	1.20	2.15	1.96	32.5%	5	254
9	1	38.7%	11.90	23.00	26.60	260.00	3.00	3.40	3.25	29.6%	81	263
328	26	34.0%	17.75	16.10	18.50	270.00	4.90	7.50	6.00	32.8%	12	157
150	5	32.1%	11.28	10.60	12.30	280.00	9.40	10.20	9.95	28.0%	46	74
CME $280.56
268	47	29.6%	6.70	6.60	7.20	290.00	14.00	16.50	25.04	29.3%	1	67
279	1	29.3%	3.60	3.70	4.20	300.00	—	—	—	—	—	—
273	1	30.2%	2.05	1.70	2.55	310.00	—	—	—	—	—	—
77	1	29.4%	1.00	0.85	1.25	320.00	38.40	41.70	44.60	34.8%	1	0
15	1	42.5%	1.30	0.05	2.75	330.00	—	—	—	—	—	—
60	15	46.7%	0.35	0.05	2.55	340.00	—	—	—	—	—	—
1	1	55.1%	0.25	0.00	2.40	360.00	—	—	—	—	—	—
1	1	49.0%	0.35	0.00	1.00	370.00	—	—	—	—	—	—
3	—	54.1%	0.40	0.00	2.30	380.00	—	—	—	—	—	—
1	—	57.6%	0.40	0.00	2.30	390.00	—	—	—	—	—	—
0	1	53.3%	0.32	0.00	1.05	400.00	—	—	—	—	—	—

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 November 20, 2026 expiration, the CME put/call ratio based on open interest is 0.78 (1,150 puts vs 1,471 calls), and 1.99 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 November 20, 2026 is about 30.0%, 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.