CIGI Options History — November 2025

In November 2025, CIGI traded between $136.78 and $158.49. ATM implied volatility averaged 23.3%, placing in the 20.6% IV rank vs the trailing year. The 30-day expected move averaged 6.3%. IV traded below realized volatility by 0.8% (HV 20d: 24.1%). Max pain ranged from $145.00 to $160.00. Net GEX was positive for 19 of 19 trading days. Term structure was in contango for 13 of 19 days. Put/call ratio averaged 0.24.

Notable Days

2025-11-04: Highest Volume — 10 contracts
2025-11-04: Largest IV drop — 33.1% change
2025-11-03: Highest IV Rank — 53.6%
2025-11-03: Largest Expected Move — 11.3%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$146.54	$136.78	$158.49	$158.49	$144.67
Max Pain	$152.11	$145.00	$160.00	$150.00	$145.00
ATM IV	23.3%	17.4%	39.3%	39.3%	18.3%
Expected Move	6.3%	5.0%	11.3%	11.3%	5.2%
HV 20d	24.1%	19.8%	27.5%	21.7%	26.8%
HV 60d	21.1%	20.0%	22.6%	20.4%	21.7%
IV Rank	20.6%	8.4%	53.6%	53.6%	10.3%
IV Percentile	32.8%	5.2%	84.5%	84.5%	8.3%
Term Structure	0.8%	-9.3%	5.3%	-9.3%	-0.7%
VWIV	32.5%	18.3%	58.2%	42.0%	18.3%
Skew 25d	0.7%	-4.6%	7.7%	7.7%	0.5%
Skew 10d	2.6%	0.2%	10.1%	3.6%	1.6%
Call IV 25d	24.4%	18.3%	33.8%	33.8%	24.3%
Put IV 25d	25.1%	19.7%	41.6%	41.6%	24.8%
Bid-Ask Spread %	109.93	101.53	115.34	101.53	113.57
Gamma HHI	0.77	0.25	0.96	0.90	0.25
Net GEX	334.9K	11.8K	753.9K	308.1K	15.4K
Net DEX	-2.6M	-6.2M	-115.2K	-6.2M	-179.6K
Net VEX	-4.5K	-8.1K	-1.3K	-8.1K	-1.6K
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.24	0.00	1.50	1.50	0.00
Total Volume	2.526	0	10	2	2
Total OI	483.526	75	598	584	81

Daily Data (19 trading days)

Date	Price	Max Pain	ATM IV	Exp Move	HV 20d	IV Rank	VWIV	Skew 25d	Term Str	GEX	DEX	VEX	P/C	Spread %	Call Wall	Put Wall	Call Vol	Put Vol	Call OI	Put OI
2025-11-03	$158.49	$150.00	39.3%	11.3%	21.7%	53.6%	42.0%	7.7%	-9.3%	308.1K	-6.2M	-8.1K	0.00	101.53	N/A	N/A	0	2	569	15
2025-11-04	$154.37	$150.00	26.3%	7.5%	23.6%	26.8%	25.7%	-4.6%	-0.9%	438.3K	-6.1M	-7.5K	1.50	106.01	N/A	N/A	4	6	569	17
2025-11-05	$153.19	$150.00	21.8%	6.3%	23.8%	17.6%	58.2%	2.9%	-3.5%	552.2K	-5.3M	-8.1K	0.00	109.97	N/A	N/A	2	0	573	20
2025-11-06	$151.70	$160.00	25.6%	5.5%	24.1%	25.3%	0.0%	4.6%	4.3%	516.0K	-4.8M	-8.0K	0.00	110.77	N/A	N/A	2	0	572	20
2025-11-07	$151.09	$160.00	22.4%	5.7%	23.8%	18.9%	0.0%	4.3%	5.3%	532.1K	-4.6M	-7.7K	0.00	109.33	N/A	N/A	0	0	570	20
2025-11-10	$151.75	$160.00	25.3%	5.7%	23.0%	24.8%	0.0%	0.6%	4.0%	682.8K	-4.7M	-7.0K	0.00	109.92	N/A	N/A	4	0	570	20
2025-11-11	$152.39	$160.00	26.5%	5.5%	23.0%	27.3%	0.0%	0.9%	3.9%	625.2K	-5.2M	-6.6K	0.00	112.34	N/A	N/A	0	0	572	20
2025-11-12	$152.32	$160.00	18.2%	5.2%	21.9%	10.1%	0.0%	0.1%	3.2%	649.4K	-5.2M	-6.3K	0.00	111.76	N/A	N/A	0	0	572	20
2025-11-13	$148.57	$160.00	21.7%	6.2%	23.5%	17.4%	0.0%	-2.1%	4.6%	753.9K	-3.8M	-6.2K	0.00	110.02	N/A	N/A	0	0	572	20
2025-11-14	$146.88	$160.00	22.6%	6.5%	22.7%	19.2%	22.9%	0.8%	3.3%	617.1K	-2.5M	-5.4K	0.00	109.44	N/A	N/A	0	5	572	20
2025-11-17	$139.81	$160.00	28.2%	8.1%	27.5%	30.8%	27.7%	-3.2%	0.0%	186.1K	-333.3K	-2.2K	0.00	102.77	N/A	N/A	6	0	572	21
2025-11-18	$137.99	$145.00	22.7%	6.5%	26.5%	19.5%	18.3%	1.4%	3.6%	97.4K	-172.1K	-1.6K	0.67	108.82	N/A	N/A	3	2	578	15
2025-11-19	$137.49	$145.00	22.9%	6.6%	25.4%	19.8%	0.0%	0.7%	3.2%	80.1K	-137.2K	-1.4K	0.00	110.93	N/A	N/A	0	2	581	15
2025-11-20	$136.78	$145.00	23.0%	6.6%	19.8%	20.0%	0.0%	-0.6%	-5.3%	69.3K	-128.6K	-1.4K	0.00	110.66	N/A	N/A	0	0	581	17
2025-11-21	$140.45	$145.00	23.2%	6.7%	23.8%	20.5%	0.0%	0.4%	0.0%	200.2K	-439.5K	-1.4K	0.00	110.72	N/A	N/A	0	2	581	15
2025-11-24	$139.34	$145.00	17.4%	5.0%	23.7%	8.4%	0.0%	-0.9%	3.3%	11.8K	-115.2K	-1.3K	0.00	111.96	N/A	N/A	0	0	67	8
2025-11-25	$142.61	$145.00	18.6%	5.3%	26.3%	11.0%	0.0%	-0.2%	-4.0%	12.7K	-131.0K	-1.4K	0.00	112.78	N/A	N/A	2	0	67	8
2025-11-26	$144.36	$145.00	18.1%	5.2%	27.0%	10.0%	0.0%	0.2%	0.3%	14.0K	-167.2K	-1.5K	0.00	115.34	N/A	N/A	4	0	69	8
2025-11-28	$144.67	$145.00	18.3%	5.2%	26.8%	10.3%	0.0%	0.5%	-0.7%	15.4K	-179.6K	-1.6K	0.00	113.57	N/A	N/A	2	0	73	8