IBKR Options History — August 2025

In August 2025, IBKR traded between $61.51 and $67.69. ATM implied volatility averaged 34.8%, placing in the 15.0% IV rank vs the trailing year. The 30-day expected move averaged 10.0%. IV traded above realized volatility by 0.8% (HV 20d: 34.0%). Max pain ranged from $48.75 to $60.00. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 14 of 21 days. Put/call ratio averaged 0.78.

Notable Days

2025-08-26: Highest Volume — 42,946 contracts
2025-08-13: Largest IV spike — 14.9% change
2025-08-13: Highest IV Rank — 18.4%
2025-08-01: Largest Expected Move — 11.1%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$63.59	$61.51	$67.69	$63.87	$62.09
Max Pain	$50.60	$48.75	$60.00	$60.00	$52.50
ATM IV	34.8%	32.9%	37.8%	36.1%	33.0%
Expected Move	10.0%	9.3%	11.1%	11.1%	9.3%
HV 20d	34.0%	31.0%	42.3%	31.5%	33.3%
HV 60d	30.9%	28.0%	32.3%	30.4%	32.3%
IV Rank	15.0%	12.9%	18.4%	16.4%	12.9%
IV Percentile	51.8%	37.3%	67.1%	59.1%	38.1%
Term Structure	0.2%	-2.0%	1.9%	-0.2%	1.0%
VWIV	35.9%	33.1%	39.0%	39.0%	36.9%
Skew 25d	2.5%	-10.4%	15.1%	1.7%	1.9%
Skew 10d	5.5%	-16.6%	21.2%	4.9%	16.4%
Call IV 25d	32.7%	21.6%	36.6%	36.1%	32.5%
Put IV 25d	35.2%	20.1%	38.4%	37.8%	34.4%
Bid-Ask Spread %	53.20	34.04	66.07	34.04	45.62
Gamma HHI	0.07	0.05	0.18	0.08	0.10
Net GEX	7.6M	3.4M	17.9M	7.6M	11.2M
Net DEX	-536.0M	-707.3M	-452.0M	-563.9M	-487.7M
Net VEX	-1.9M	-2.0M	-1.8M	-1.9M	-2.0M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.78	0.25	2.36	0.61	1.34
Total Volume	13,035.143	4,610	42,946	8,807	12,780
Total OI	277,931.905	258,800	310,773	258,800	310,773

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 Wall	Put Wall	Call Vol	Put Vol	Call OI	Put OI
2025-08-01	$63.87	$60.00	36.1%	11.1%	31.5%	16.4%	39.0%	1.7%	-0.2%	7.6M	-563.9M	-1.9M	0.61	34.04	N/A	N/A	5,469	3,338	145,691	113,109
2025-08-04	$64.70	$48.75	34.7%	10.0%	31.2%	14.9%	38.1%	15.1%	0.2%	9.6M	-600.8M	-1.9M	0.96	42.15	N/A	N/A	4,777	4,571	147,089	113,680
2025-08-05	$63.61	$48.75	35.9%	10.4%	31.5%	16.3%	36.2%	3.7%	-0.6%	8.9M	-559.0M	-1.9M	1.72	62.33	N/A	N/A	4,307	7,408	147,629	116,153
2025-08-06	$63.50	$48.75	34.4%	10.0%	31.1%	14.5%	35.3%	2.8%	0.3%	7.0M	-537.4M	-2.0M	0.45	60.33	N/A	N/A	3,485	1,577	148,409	121,982
2025-08-07	$64.22	$48.75	34.5%	10.1%	31.0%	14.6%	35.8%	2.2%	0.2%	7.5M	-567.8M	-1.9M	1.26	63.73	N/A	N/A	2,615	3,295	149,294	122,750
2025-08-08	$65.84	$48.75	33.0%	9.7%	31.8%	13.0%	34.2%	3.0%	0.3%	8.9M	-639.3M	-1.9M	0.69	59.30	N/A	N/A	4,527	3,116	150,175	125,118
2025-08-11	$66.28	$48.75	34.0%	9.7%	31.8%	14.1%	35.3%	6.6%	-0.6%	7.9M	-652.7M	-1.9M	0.84	65.57	N/A	N/A	3,636	3,052	148,412	125,112
2025-08-12	$67.69	$48.75	32.9%	9.5%	32.3%	12.9%	34.4%	-3.0%	0.4%	8.6M	-707.3M	-1.8M	0.40	59.36	N/A	N/A	6,987	2,803	148,862	126,813
2025-08-13	$63.09	$48.75	37.8%	10.5%	42.2%	18.4%	37.7%	-10.4%	-2.0%	5.1M	-509.2M	-1.9M	0.73	66.07	N/A	N/A	17,618	12,863	150,262	127,694
2025-08-14	$63.88	$50.00	35.7%	10.0%	42.3%	16.0%	35.8%	2.7%	-0.7%	9.0M	-556.8M	-2.0M	0.35	60.80	N/A	N/A	6,580	2,284	158,667	133,459
2025-08-15	$63.29	$50.00	34.8%	10.2%	36.1%	15.0%	36.5%	1.1%	1.9%	6.5M	-517.9M	-2.0M	0.34	64.39	N/A	N/A	9,260	3,115	157,764	134,206
2025-08-18	$63.61	$50.00	34.4%	9.8%	34.7%	14.5%	34.5%	2.5%	0.2%	7.3M	-521.7M	-1.9M	0.39	45.21	N/A	N/A	8,644	3,357	147,846	123,979
2025-08-19	$62.33	$50.00	34.7%	9.9%	35.4%	14.9%	36.1%	3.5%	1.0%	4.9M	-459.3M	-1.9M	1.22	49.44	N/A	N/A	3,025	3,681	146,335	126,390
2025-08-20	$62.43	$50.00	35.7%	10.2%	35.2%	16.0%	36.1%	2.9%	0.6%	4.2M	-458.0M	-1.9M	0.75	48.90	N/A	N/A	4,758	3,565	146,634	128,174
2025-08-21	$62.41	$50.00	35.9%	10.3%	34.1%	16.3%	36.0%	2.9%	-0.1%	3.4M	-453.5M	-1.9M	0.71	56.22	N/A	N/A	2,690	1,920	146,859	129,121
2025-08-22	$62.39	$50.00	34.2%	9.7%	33.3%	14.3%	35.4%	2.6%	0.8%	4.3M	-452.0M	-1.9M	2.36	49.64	N/A	N/A	3,759	8,880	145,498	129,561
2025-08-25	$62.91	$52.50	36.5%	10.5%	33.4%	16.9%	36.9%	1.7%	1.5%	5.3M	-499.2M	-1.9M	0.32	47.53	N/A	N/A	6,856	2,178	141,217	125,774
2025-08-26	$63.09	$52.50	35.4%	10.1%	33.5%	15.7%	35.4%	3.0%	-0.3%	7.9M	-519.5M	-1.9M	0.34	42.41	N/A	N/A	32,000	10,946	146,226	127,033
2025-08-27	$61.51	$52.50	34.8%	10.1%	34.1%	15.0%	35.6%	2.8%	0.2%	7.6M	-459.3M	-2.0M	0.36	45.24	N/A	N/A	17,532	6,299	161,380	134,025
2025-08-28	$62.59	$52.50	32.9%	9.4%	34.9%	12.9%	33.1%	2.6%	0.3%	17.9M	-534.0M	-2.0M	0.25	48.84	N/A	N/A	19,306	4,879	170,200	137,215
2025-08-29	$62.09	$52.50	33.0%	9.3%	33.3%	12.9%	36.9%	1.9%	1.0%	11.2M	-487.7M	-2.0M	1.34	45.62	N/A	N/A	5,451	7,329	172,326	138,447