CME - Options Database

CME

CME GROUP INC Class A

$297.43 +0.72%

(10/21 10:20) ◀

Wednesday, October 21, 2026 (10:25am)

▶ (10/22 18:19)

◀ 10/21 10:25 ▶

Option Volume

Detail

ℹ

Current (10/21 10:25am) 1,016

Calls: 341 (34%)

Puts: 675 (66%)

Prior (07/22) 3,089

Calls: 2,241 (73%)

Puts: 848 (27%)

Current vs Prior -67.11%

Calls: -84.78% (Calls)

Puts: -20.40% (Puts)

Prior 7-Day Total 27,730

Calls: 18,631 (67%)

Puts: 9,099 (33%)

Prior 7-Day Average 3,961

Calls: 2,661 (67%)

Puts: 1,299 (33%)

Current vs Prior 7-Day Avg -74.35%

Calls: -87.19%

Puts: -48.07%

Sentiment BEARISH

Dollar Volume

Detail

ℹ

Current (10/21 10:25am) $720.1K

Calls: $441.7K (61%)

Puts: $278.4K (39%)

Prior (07/22) $1.86M

Calls: $1.61M (87%)

Puts: $248.7K (13%)

Current vs Prior -61.33%

Calls: -72.62%

Puts: +11.94%

Prior 7-Day Total $14.15M

Calls: $9.60M (68%)

Puts: $4.55M (32%)

Prior 7-Day Average $2.02M

Calls: $1.37M (68%)

Puts: $650.0K (32%)

Current vs Prior 7-Day Avg -64.37%

Calls: -67.78%

Puts: -57.17%

Sentiment BULLISH

Put/Call Ratio

Detail

ℹ

Current (10/21 10:25am) 1.98

Prior (07/22) 0.38

Current vs Prior +423.11%

Prior 7-Day Average 0.92

Current vs Prior 7-Day Avg +114.08%

Sentiment BEARISH

Open Interest

Detail

ℹ

Current (10/21 10:25am) 53,254

Calls: 24,467 (46%)

Puts: 28,787 (54%)

Prior (07/22) 69,486

Calls: 40,483 (58%)

Puts: 29,003 (42%)

Current vs Prior -23.36%

Prior 7-Day Total 363,808

Calls: 183,499 (50%)

Puts: 180,309 (50%)

Prior 7-Day Average 51,972

Calls: 26,214 (50%)

Puts: 25,758 (50%)

Current vs Prior 7-Day Avg +2.47%

Sentiment BULLISH

Expected Move

Detail

ℹ

WKMO Expiry (10/23) | Next (10/30)Expiry (11/20) | Next (12/18)

Current 2.97% | 4.15%6.34% | 9.68%

Prior 3.99% | 4.89%6.82% | 9.92%

Current vs Prior -25.66% | -15.09%-7.06% | -2.35%

Prior 7-Day Avg 3.49% | 4.78%7.54% | 11.39%

Current vs 7-Day Avg -14.94% | -13.19%-15.95% | -14.95%

Prior 7-Day Eod 3.99% | 4.89%6.65% | 9.79%

Current vs 7-Day Eod -25.66% | -15.09%-4.76% | -1.06%

Sentiment BULLISHBULLISH

Relative Spread

Detail

ℹ

Expiry | Next

Current 40.88% | 40.42%

Calls: 30.77% | 33.58%

Puts: 51.00% | 47.27%

Prior 15.38% | 15.93%

Calls: 17.86% | 16.90%

Puts: 12.90% | 14.97%

Current vs Prior +165.80% | +153.74%

Prior 7-Day Avg 22.80% | 16.97%

Calls: 27.48% | 17.21%

Puts: 18.12% | 16.73%

Current vs 7-Day Avg +79.28% | +138.16%

Liquidity Expensive

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Moderately bullish flow with 61% call dollar volume ($441.7K). Light premium activity with dollar volume down 61% vs prior. Below-average activity with volume down 67% vs prior. Extreme bearish P/C ratio of 1.98 - heavy put buying.

Smart Money BULLISH

Retail Flow BEARISH

Overall BEARISH

Dollar Volume

Option Volume

Put/Call Ratio

Open Interest

Expected Move

Current BULLISH

Prior BULLISH

7-Day Avg BULLISH

Current BEARISH

Prior BULLISH

7-Day Avg NEUTRAL

Current BEARISH

Prior BULLISH

7-Day Avg NEUTRAL

Current NEUTRAL

Prior BULLISH

7-Day Avg NEUTRAL

Current BEARISH

Prior BULLISH

7-Day Avg BULLISH

Sentiment Timeline (Today)

Time	Smart Money	Retail	Overall
10:25	BULLISH	BEARISH	BEARISH
10:20	BULLISH	BEARISH	BEARISH
10:15	BULLISH	BEARISH	BEARISH
10:10	BULLISH	BULLISH	BULLISH
10:05	BULLISH	NEUTRAL	BULLISH
10:00	BULLISH	NEUTRAL	BULLISH
09:45	BULLISH	NEUTRAL	MIXED
09:40	BULLISH	BEARISH	BEARISH
09:35	BULLISH	BEARISH	BEARISH

📈 Options Analysis

🎯 Tightest Spreads

💰 Best Value Under $1

📊 High Delta (ITM)

🔥 High Volume

⏰ Backwardation

📈 Debit Spreads

📉 Credit Spreads

📅 Calendar Spreads

⚡ Straddles

🔀 Strangles

🦅 Iron Condors

🦋 Butterflies

⚖️ Ratio Spreads

🛡️ Covered Calls

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Tightest Spreads

💰

Best Value <$1

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High Delta

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Ratio Spreads

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Covered Calls

Options with the tightest bid-ask spreads (<10%). Lower spreads = better fills and less slippage. Showing top 6 of results (avg 8.8%, best 7.2%)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$255.00	Oct 23	41.40	44.50	$42.95	7.2%	5	0.92	1
$260.00	Oct 23	36.40	39.50	$37.95	8.2%	1	0.91	5
$270.00	Nov 20	28.80	31.40	$30.10	8.6%	1	0.89	411
$260.00	Nov 6	36.90	40.40	$38.65	9.1%	--	0.91	14
$265.00	Oct 23	31.40	34.60	$33.00	9.7%	--	0.94	18

PUTS (0)

No puts meet the criteria

Affordable options under $1.00 per contract. Great for defined-risk strategies with minimal capital. -- found (avg $--, cheapest $--)

No options available for this category

In-the-money options with delta >0.50. Higher probability of profit, lower leverage. 35 found (avg delta 0.77, highest 1.00)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$270.00	Oct 23	26.40	29.80	$28.10	12.1%	--	1.00	104
$265.00	Oct 23	31.40	34.60	$33.00	9.7%	--	0.94	18
$275.00	Oct 23	21.50	24.80	$23.15	14.3%	--	0.93	15
$280.00	Oct 23	16.50	19.80	$18.15	18.2%	1	0.93	17
$255.00	Oct 23	41.40	44.50	$42.95	7.2%	5	0.92	1

PUTS (3)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$302.50	Oct 23	5.10	7.70	$6.40	40.6%	--	0.73	462
$300.00	Oct 23	3.50	6.20	$4.85	55.7%	--	0.62	462
$300.00	Nov 20	8.40	10.90	$9.65	25.9%	--	0.54	44

Most actively traded options today. High liquidity = easy entry/exit. 60 active (total vol 784, top 73)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$300.00	Oct 23	1.10	3.30	$2.20	100.0%	49	0.38	729
$310.00	Oct 23	0.15	0.70	$0.43	127.9%	38	0.10	65
$295.00	Oct 23	4.40	6.00	$5.20	30.8%	36	0.62	125
$310.00	Nov 20	3.10	4.60	$3.85	39.0%	29	0.29	655
$305.00	Oct 23	0.45	1.60	$1.03	111.7%	23	0.21	100

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$260.00	Nov 20	0.40	1.05	$0.73	89.0%	73	0.06	308
$260.00	Nov 27	0.50	2.70	$1.60	137.5%	73	0.10	73
$290.00	Oct 23	0.65	1.20	$0.93	59.1%	67	0.19	113
$285.00	Oct 23	0.10	0.70	$0.40	150.0%	66	0.09	163
$275.00	Oct 23	0.05	0.70	$0.38	171.1%	46	0.06	184

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 10 strikes (avg 45.0%, max 59.4%)

CALLS (5)

Strike	Near Exp	Far Exp	Near IV	Far IV	Back%	Vol	OI
$290.00	Oct 23	Nov 20	37.3%	23.6%	57.9%	4	447
$305.00	Oct 23	Nov 27	38.6%	25.3%	52.3%	23	147
$295.00	Oct 23	Nov 20	35.1%	24.6%	42.8%	36	138
$297.50	Oct 23	Oct 30	39.1%	28.3%	38.0%	2	78
$300.00	Oct 23	Nov 20	35.9%	26.3%	36.4%	49	1.1K

PUTS (4)

Strike	Near Exp	Far Exp	Near IV	Far IV	Back%	Vol	OI
$292.50	Oct 23	Nov 20	40.3%	25.3%	59.4%	6	110
$290.00	Oct 23	Nov 20	37.3%	23.6%	57.9%	69	185
$295.00	Oct 23	Nov 20	35.1%	24.6%	42.8%	20	134
$300.00	Oct 23	Nov 20	35.9%	26.3%	36.4%	--	506

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 68 found (best R:R 75.92, avg 8.80)

BULL CALL (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	POP	R:R	BE
$330.00	$340.00	Nov 20	$0.13	$9.87	$0.13	11%	75.92	$330.13
$275.00	$305.00	Nov 27	$19.80	$10.20	$19.80	84%	0.52	$294.80
$317.50	$320.00	Oct 30	$0.10	$2.40	$0.10	14%	24.00	$317.60
$302.50	$305.00	Oct 23	$0.35	$2.15	$0.35	27%	6.14	$302.85
$315.00	$320.00	Nov 20	$0.63	$4.37	$0.63	21%	6.94	$315.63

BEAR PUT (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	POP	R:R	BE
$275.00	$265.00	Nov 13	$0.28	$9.72	$0.28	14%	34.71	$274.72
$270.00	$260.00	Nov 6	$0.15	$9.85	$0.15	11%	65.67	$269.85
$295.00	$287.50	Oct 30	$1.80	$5.70	$1.80	43%	3.17	$293.20
$295.00	$292.50	Oct 23	$0.42	$2.08	$0.42	38%	4.95	$294.58
$260.00	$255.00	Nov 13	$0.12	$4.88	$0.12	8%	40.67	$259.88

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 56 found (best R:R 0.61, avg 0.34)

BEAR CALL (5)

Sell	Buy	Expiry	Credit	Max Gain	Max Loss	POP	R:R	BE
$300.00	$310.00	Nov 13	$3.90	$3.90	$6.10	54%	0.64	$303.90
$305.00	$310.00	Nov 27	$2.13	$2.13	$2.87	61%	0.74	$307.13
$310.00	$315.00	Nov 20	$1.55	$1.55	$3.45	71%	0.45	$311.55
$320.00	$322.50	Oct 23	$0.48	$0.48	$2.02	91%	0.24	$320.48
$300.00	$305.00	Nov 6	$2.27	$2.27	$2.73	55%	0.83	$302.27

BULL PUT (5)

Sell	Buy	Expiry	Credit	Max Gain	Max Loss	POP	R:R	BE
$272.50	$270.00	Oct 23	$0.95	$0.95	$1.55	90%	0.61	$271.55
$260.00	$257.50	Oct 30	$0.75	$0.75	$1.75	92%	0.43	$259.25
$292.50	$290.00	Nov 20	$1.55	$1.55	$0.95	60%	1.63	$290.95
$280.00	$265.00	Nov 27	$2.20	$2.20	$12.80	77%	0.17	$277.80
$267.50	$265.00	Oct 23	$0.60	$0.60	$1.90	91%	0.32	$266.90

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 5 found (avg debit $2.51, cheapest $1.92)

CALLS (3)

Strike	Near Exp	Far Exp	Net Debit	Near IV	Far IV
$297.50	Oct 23	Oct 30	$1.92	39.1%	28.3%
$300.00	Oct 23	Oct 30	$1.90	35.9%	28.4%
$295.00	Oct 23	Oct 30	$1.65	35.1%	29.4%

PUTS (2)

Strike	Near Exp	Far Exp	Net Debit	Near IV	Far IV
$300.00	Oct 23	Nov 20	$4.80	35.9%	26.3%
$295.00	Oct 23	Oct 30	$2.30	35.1%	29.4%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 23 found (cheapest 2.37% of stock, avg 5.58%)

Strike	Expiry	Call$	Put$	Total	BE Low	BE High	Cost%
$300.00	Oct 23	$2.20	$4.85	$7.05	$292.95	$307.05	2.37%
$297.50	Oct 23	$3.58	$3.63	$7.21	$290.29	$304.71	2.42%
$295.00	Oct 23	$5.20	$2.20	$7.40	$287.60	$302.40	2.49%
$302.50	Oct 23	$1.38	$6.40	$7.78	$294.72	$310.28	2.62%
$292.50	Oct 23	$6.85	$1.78	$8.63	$283.87	$301.13	2.90%
$290.00	Oct 23	$8.90	$0.93	$9.83	$280.17	$299.83	3.30%
$295.00	Oct 30	$6.85	$4.50	$11.35	$283.65	$306.35	3.82%
$287.50	Oct 23	$11.10	$0.65	$11.75	$275.75	$299.25	3.95%
$285.00	Oct 23	$13.35	$0.40	$13.75	$271.25	$298.75	4.62%
$287.50	Oct 30	$12.50	$2.70	$15.20	$272.30	$302.70	5.11%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 110 found (cheapest 0.36% of stock, avg 2.07%)

Call K	Put K	Expiry	Call$	Put$	Total	BE Low	BE High
$310.00	$287.50	Oct 23	$0.43	$0.65	$1.08	$286.42	$311.08
$307.50	$287.50	Oct 23	$0.68	$0.65	$1.33	$286.17	$308.83
$310.00	$290.00	Oct 23	$0.43	$0.93	$1.36	$288.64	$311.36
$307.50	$290.00	Oct 23	$0.68	$0.93	$1.61	$288.39	$309.11
$305.00	$287.50	Oct 23	$1.03	$0.65	$1.68	$285.82	$306.68
$305.00	$290.00	Oct 23	$1.03	$0.93	$1.96	$288.04	$306.96
$302.50	$287.50	Oct 23	$1.38	$0.65	$2.03	$285.47	$304.53
$302.50	$290.00	Oct 23	$1.38	$0.93	$2.31	$287.69	$304.81
$317.50	$277.50	Oct 30	$1.25	$1.38	$2.63	$274.87	$320.13
$310.00	$277.50	Oct 30	$1.20	$1.38	$2.58	$274.92	$312.58

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 90 found (best R:R 1.34, avg credit $1.05)

Put Spread	Call Spread	Expiry	Credit	Max Loss	POP	R:R	BE Low	BE High
270/272	320/322	Oct 23	$1.43	$1.07	81%	1.34	$271.07	$321.43
270/272	315/318	Oct 23	$1.05	$1.45	84%	0.72	$271.45	$316.05
265/268	320/322	Oct 23	$1.08	$1.42	83%	0.76	$266.42	$321.08
270/272	312/315	Oct 23	$1.08	$1.42	82%	0.76	$271.42	$313.58
270/272	308/310	Oct 23	$1.20	$1.30	75%	0.92	$271.30	$308.70
270/272	305/308	Oct 23	$1.30	$1.20	69%	1.08	$271.20	$306.30
290/292	320/322	Oct 23	$1.33	$1.17	62%	1.14	$291.17	$321.33
270/272	302/305	Oct 23	$1.30	$1.20	62%	1.08	$271.20	$303.80
265/268	315/318	Oct 23	$0.70	$1.80	86%	0.39	$266.80	$315.70
265/268	312/315	Oct 23	$0.73	$1.77	83%	0.41	$266.77	$313.23

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 45 found (best R:R 5.99, cheapest $0.05)

CALLS (5)

Low	Mid	High	Expiry	Debit	Max Gain	POP	R:R
$270.00	$280.00	$290.00	Nov 20	$1.05	$8.95	24%	8.52
$285.00	$290.00	$295.00	Nov 13	$0.25	$4.75	18%	19.00
$260.00	$265.00	$270.00	Oct 23	$0.05	$4.95	9%	99.00
$280.00	$285.00	$290.00	Nov 13	$0.25	$4.75	15%	19.00
$295.00	$300.00	$305.00	Nov 6	$0.53	$4.47	24%	8.43

PUTS (5)

Low	Mid	High	Expiry	Debit	Max Gain	POP	R:R
$275.00	$285.00	$295.00	Nov 13	$1.43	$8.57	31%	5.99
$265.00	$270.00	$275.00	Nov 20	$0.07	$4.93	7%	70.43
$270.00	$275.00	$280.00	Nov 20	$0.12	$4.88	9%	40.67
$280.00	$285.00	$290.00	Nov 20	$0.30	$4.70	15%	15.67
$282.50	$285.00	$287.50	Oct 30	$0.08	$2.42	8%	30.25

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 97 found (best net $-1.65, 86 credits)

CALLS (5)

Buy K	Sell K	Ratio	Expiry	Net	Max Gain
$265.00	$282.50	1:2	Nov 6	-$1.65	$15.85
$280.00	$290.00	1:2	Nov 20	-$5.95	$4.05
$305.00	$310.00	1:2	Oct 30	-$0.23	$4.77
$300.00	$305.00	1:2	Nov 6	-$1.11	$3.89
$310.00	$315.00	1:2	Nov 20	-$0.75	$4.25

PUTS (5)

Buy K	Sell K	Ratio	Expiry	Net	Max Gain
$295.00	$285.00	1:2	Nov 13	-$0.10	$9.90
$295.00	$287.50	1:2	Oct 30	-$0.90	$6.60
$292.50	$290.00	1:2	Oct 23	-$0.08	$2.42
$297.50	$295.00	1:2	Oct 23	-$0.77	$1.73
$260.00	$255.00	1:2	Nov 27	-$0.06	$4.94

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 26 found (best yield 1.58%, avg 0.74%)

Strike	Expiry	Bid	Delta	OTM%	Yield%	If Called%	Vol	OI
$305.00	Nov 27	$4.70	0.39	2.5%	1.58%	4.13%	--	47
$300.00	Nov 20	$6.40	0.46	0.9%	2.15%	3.02%	--	354
$305.00	Nov 20	$4.30	0.38	2.5%	1.45%	3.99%	--	12
$310.00	Nov 20	$3.10	0.29	4.2%	1.04%	5.27%	29	655
$307.50	Nov 20	$3.40	0.33	3.4%	1.14%	4.53%	--	12
$310.00	Nov 27	$2.75	0.30	4.2%	0.92%	5.15%	--	12
$300.00	Nov 13	$5.20	0.46	0.9%	1.75%	2.61%	--	104
$300.00	Nov 6	$4.50	0.45	0.9%	1.51%	2.38%	--	16
$315.00	Nov 20	$1.30	0.21	5.9%	0.44%	6.34%	--	32
$305.00	Nov 6	$2.25	0.33	2.5%	0.76%	3.30%	1	3

Current 5-Minute Volume Snapshots

Time (HH:MM)	Total Volume	Call Volume	Put Volume	Volume Change
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Prior's 5-Minute Volume Snapshots

Time (HH:MM)	Total Volume	Call Volume	Put Volume	Volume Change
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Current Put/Call Breakdown

Total Calls 341

Total Puts 675

Put/Call Ratio 1.98

Net Difference -334

Prior's Put/Call Breakdown

Total Calls 2,241

Total Puts 848

Put/Call Ratio 0.38

Net Difference 1,393

Prior 7-Day Put/Call Summary

Total Calls 18,631

Total Puts 9,099

Average Put/Call Ratio 0.92

Ratio Trend Rising

Daily Put/Call History (Last 7 Days)

Date	Calls	Puts	Ratio	Net Diff
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Upcoming Earnings - 2 Weeks Prior

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Upcoming Earnings - 1 Week Prior

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Earnings This Week

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Earnings - Day Before / Day After

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Options Activity Around Earnings

Ticker	Earnings Date	Days Away	Call Volume	Put Volume	IV Rank
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Option Volume

Dollar Volume

Put/Call Ratio

Open Interest

Expected Move

Relative Spread

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📈 Options Analysis

Current 5-Minute Volume Snapshots

Prior's 5-Minute Volume Snapshots

Current Put/Call Breakdown

Prior's Put/Call Breakdown

Prior 7-Day Put/Call Summary

Daily Put/Call History (Last 7 Days)

Upcoming Earnings - 2 Weeks Prior

Upcoming Earnings - 1 Week Prior

Earnings This Week

Earnings - Day Before / Day After

Options Activity Around Earnings

Chart Title

Price — Past 7 Days

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