IGF Options History — September 2025

In September 2025, IGF traded between $59.61 and $61.15. ATM implied volatility averaged 17.7%, placing in the 13.6% IV rank vs the trailing year. The 30-day expected move averaged 4.7%. IV traded above realized volatility by 9.4% (HV 20d: 8.3%). Max pain ranged from $50.00 to $62.00. Net GEX was positive for 20 of 21 trading days. Term structure was in contango for 2 of 21 days. Put/call ratio averaged 0.20.

Notable Days

2025-09-23: Highest Volume — 6 contracts
2025-09-10: Largest IV drop — 31.2% change
2025-09-09: Highest IV Rank — 26.4%
2025-09-02: Largest Expected Move — 5.8%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$60.50	$59.61	$61.15	$59.69	$61.08
Max Pain	$51.14	$50.00	$62.00	$62.00	$50.00
ATM IV	17.7%	14.3%	22.7%	20.3%	18.5%
Expected Move	4.7%	4.1%	5.8%	5.8%	5.3%
HV 20d	8.3%	6.4%	9.1%	8.5%	6.4%
HV 60d	8.7%	8.0%	9.5%	9.5%	8.0%
IV Rank	13.6%	5.0%	26.4%	20.4%	15.8%
IV Percentile	23.1%	1.6%	63.1%	47.2%	31.7%
Term Structure	-2.0%	-5.0%	0.4%	-4.6%	-4.0%
VWIV	16.3%	12.3%	20.3%	20.3%	12.3%
Skew 25d	0.5%	-7.0%	6.7%	6.7%	1.6%
Skew 10d	3.2%	-9.3%	11.3%	2.3%	4.5%
Call IV 25d	17.8%	13.0%	22.9%	18.2%	21.0%
Put IV 25d	18.3%	11.8%	24.9%	24.9%	22.7%
Bid-Ask Spread %	141.89	130.97	167.74	167.74	130.97
Gamma HHI	0.53	0.45	0.80	0.48	0.45
Net GEX	1.2K	-347	1.9K	1.4K	-347
Net DEX	-43.6K	-50.4K	-31.5K	-44.6K	-31.5K
Net VEX	-66	-88	-19	-88	-23
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.20	0.20	0.20	0.20	0.20
Total Volume	0.333	0	6	0	0
Total OI	11.762	8	13	13	9

Daily Data (21 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 Vol	Put Vol	Call OI	Put OI
2025-09-02	$59.69	$62.00	20.3%	5.8%	8.5%	20.4%	0.0%	6.7%	-4.6%	1.4K	-44.6K	-88	0.00	167.74	0	0	11	2
2025-09-03	$59.61	$62.00	20.2%	5.8%	8.5%	20.1%	0.0%	1.6%	-5.0%	1.4K	-44.2K	-87	0.00	166.85	0	0	11	2
2025-09-04	$59.77	$50.00	20.1%	4.4%	8.5%	19.8%	0.0%	1.6%	-0.9%	1.4K	-44.8K	-86	0.00	140.03	0	0	11	2
2025-09-05	$59.84	$50.00	19.4%	4.2%	8.2%	18.2%	0.0%	1.4%	-0.1%	1.6K	-45.3K	-85	0.00	141.19	0	0	11	2
2025-09-08	$59.74	$50.00	21.9%	4.3%	8.1%	24.5%	0.0%	1.7%	-0.9%	1.5K	-44.8K	-83	0.00	140.22	0	0	11	2
2025-09-09	$59.97	$50.00	22.7%	4.4%	8.3%	26.4%	0.0%	1.7%	-1.1%	1.6K	-45.4K	-82	0.00	141.56	0	0	11	2
2025-09-10	$60.31	$50.00	15.6%	4.5%	8.1%	8.3%	0.0%	1.8%	-1.4%	1.7K	-46.8K	-82	0.00	140.53	0	0	11	2
2025-09-11	$60.92	$50.00	15.3%	4.4%	8.8%	7.7%	0.0%	5.1%	-0.2%	1.7K	-49.7K	-80	0.00	141.10	0	0	11	2
2025-09-12	$61.13	$50.00	15.0%	4.3%	8.9%	6.8%	0.0%	1.9%	0.4%	1.8K	-50.4K	-78	0.00	141.12	0	0	11	2
2025-09-15	$61.15	$50.00	16.2%	4.7%	8.9%	9.9%	0.0%	1.3%	0.3%	1.7K	-49.6K	-79	0.00	141.04	0	0	11	2
2025-09-16	$60.77	$50.00	15.8%	4.5%	9.1%	9.0%	0.0%	1.1%	-1.2%	1.7K	-49.6K	-76	0.00	139.61	0	0	11	2
2025-09-17	$60.77	$50.00	15.8%	4.5%	9.1%	8.7%	0.0%	1.6%	-0.8%	1.7K	-48.9K	-77	0.00	138.95	0	0	11	2
2025-09-18	$60.47	$50.00	16.5%	4.7%	8.7%	10.5%	0.0%	2.0%	-1.8%	1.8K	-47.2K	-77	0.00	145.83	0	0	11	2
2025-09-19	$60.45	$50.00	16.4%	4.7%	8.6%	10.3%	0.0%	2.1%	-1.1%	1.9K	-47.1K	-75	0.00	142.15	0	0	11	2
2025-09-22	$60.76	$50.00	16.5%	4.7%	8.7%	10.5%	0.0%	2.0%	-2.3%	1.2K	-46.8K	-73	0.00	138.98	0	0	10	2
2025-09-23	$60.89	$50.00	17.2%	4.9%	7.4%	12.4%	20.3%	-6.7%	-2.9%	1.2K	-47.4K	-73	0.20	135.28	5	1	10	2
2025-09-24	$60.80	$50.00	17.8%	5.1%	7.5%	13.9%	0.0%	-7.0%	-3.3%	117	-33.1K	-20	0.00	136.81	0	0	6	2
2025-09-25	$60.53	$50.00	17.8%	5.1%	7.6%	13.9%	0.0%	1.6%	-3.4%	87	-32.7K	-21	0.00	135.20	0	0	6	2
2025-09-26	$60.92	$50.00	17.5%	5.0%	8.0%	13.3%	0.0%	-6.2%	-2.9%	113	-33.2K	-20	0.00	137.36	0	0	6	2
2025-09-29	$60.91	$50.00	14.3%	4.1%	7.7%	5.0%	12.3%	-6.4%	-3.9%	148	-33.3K	-19	0.00	137.15	0	1	6	2
2025-09-30	$61.08	$50.00	18.5%	5.3%	6.4%	15.8%	0.0%	1.6%	-4.0%	-347	-31.5K	-23	0.00	130.97	0	0	6	3