IBKR Options History — October 2025

In October 2025, IBKR traded between $64.73 and $72.50. ATM implied volatility averaged 41.9%, placing in the 19.1% IV rank vs the trailing year. The 30-day expected move averaged 12.2%. IV traded above realized volatility by 7.7% (HV 20d: 34.2%). Max pain ranged from $65.00 to $70.00. Net GEX was positive for 23 of 23 trading days. Term structure was in contango for 5 of 23 days. Put/call ratio averaged 0.71.

Notable Days

2025-10-16: Highest Volume — 53,987 contracts
2025-10-17: Largest IV drop — 16.1% change
2025-10-16: Highest IV Rank — 28.0%
2025-10-01: Largest Expected Move — 14.4%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$69.12	$64.73	$72.50	$69.08	$70.81
Max Pain	$66.52	$65.00	$70.00	$65.00	$67.00
ATM IV	41.9%	34.3%	49.4%	45.5%	39.2%
Expected Move	12.2%	10.9%	14.4%	14.4%	11.7%
HV 20d	34.2%	28.5%	37.3%	35.4%	34.7%
HV 60d	34.2%	33.3%	36.2%	33.3%	34.8%
IV Rank	19.1%	10.0%	28.0%	23.4%	15.8%
IV Percentile	71.4%	32.1%	90.5%	86.1%	61.5%
Term Structure	-0.6%	-2.4%	2.1%	-1.3%	-0.6%
VWIV	42.6%	37.7%	51.4%	51.4%	41.1%
Skew 25d	2.4%	-9.0%	5.0%	2.8%	3.1%
Skew 10d	8.6%	-7.3%	25.2%	-5.2%	21.6%
Call IV 25d	41.1%	35.8%	46.6%	44.3%	37.4%
Put IV 25d	43.5%	36.5%	50.4%	47.2%	40.5%
Bid-Ask Spread %	44.79	30.41	59.99	42.46	40.41
Gamma HHI	0.08	0.06	0.10	0.10	0.10
Net GEX	6.2M	629.1K	9.4M	8.1M	9.4M
Net DEX	-512.2M	-632.1M	-348.6M	-555.0M	-544.9M
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	0.71	0.30	1.81	0.35	0.60
Total Volume	13,398.522	4,095	53,987	13,752	10,396
Total OI	230,593.957	217,594	271,412	227,325	233,352

Daily Data (23 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
2025-10-01	$69.08	$65.00	45.5%	14.4%	35.4%	23.4%	51.4%	2.8%	-1.3%	8.1M	-555.0M	-1.9M	0.35	42.46	N/A	N/A	10,216	3,536	126,650	100,675
2025-10-02	$71.37	$65.00	44.2%	13.8%	36.9%	21.8%	49.2%	2.3%	-0.5%	8.8M	-632.1M	-1.9M	0.39	38.21	N/A	N/A	10,091	3,936	128,179	102,780
2025-10-03	$70.71	$65.00	43.4%	13.5%	28.5%	20.9%	47.6%	2.9%	-0.6%	8.0M	-603.7M	-1.9M	0.42	43.30	N/A	N/A	7,262	3,043	126,987	104,193
2025-10-06	$69.89	$65.00	44.2%	12.3%	29.3%	21.9%	43.2%	-9.0%	-0.8%	6.9M	-552.6M	-1.9M	0.75	47.23	N/A	N/A	3,480	2,598	122,213	95,381
2025-10-07	$69.38	$65.00	43.4%	11.9%	29.2%	20.9%	42.0%	1.6%	0.0%	6.7M	-532.6M	-1.9M	1.81	39.59	N/A	N/A	4,340	7,848	122,728	96,428
2025-10-08	$72.02	$65.00	43.6%	12.2%	31.4%	21.2%	42.6%	2.1%	-0.6%	6.9M	-610.5M	-1.8M	0.30	40.47	N/A	N/A	7,340	2,182	123,032	103,334
2025-10-09	$72.50	$65.00	42.9%	12.1%	31.3%	20.3%	42.0%	2.5%	0.2%	7.8M	-630.1M	-1.9M	0.76	35.25	N/A	N/A	3,088	2,339	125,274	103,946
2025-10-10	$69.05	$65.00	45.5%	12.7%	36.9%	23.4%	44.0%	4.2%	-0.6%	5.7M	-512.2M	-1.9M	0.79	49.95	N/A	N/A	6,283	4,989	125,376	104,966
2025-10-13	$70.28	$65.00	44.8%	12.4%	35.7%	22.6%	43.5%	2.8%	-1.1%	6.5M	-545.3M	-1.9M	1.11	45.39	N/A	N/A	4,201	4,684	123,155	99,866
2025-10-14	$69.80	$65.00	46.9%	12.6%	35.9%	25.0%	43.7%	5.0%	-0.3%	5.6M	-523.0M	-1.9M	0.74	55.25	N/A	N/A	3,953	2,920	124,595	102,857
2025-10-15	$69.71	$65.00	46.0%	12.9%	35.9%	24.0%	44.9%	1.3%	-0.5%	5.4M	-517.2M	-1.9M	0.45	52.17	N/A	N/A	11,153	5,056	125,822	104,644
2025-10-16	$68.34	$65.00	49.4%	13.7%	34.5%	28.0%	48.2%	3.8%	-2.3%	5.6M	-483.7M	-1.9M	0.58	52.15	N/A	N/A	34,084	19,903	133,252	107,481
2025-10-17	$66.93	$70.00	41.5%	11.9%	35.5%	18.7%	40.7%	3.8%	-0.0%	629.1K	-420.3M	-1.9M	0.85	54.86	N/A	N/A	26,250	22,189	150,652	120,760
2025-10-20	$66.89	$70.00	39.9%	11.4%	35.1%	16.8%	39.8%	2.9%	-2.1%	4.2M	-417.7M	-1.9M	0.43	54.94	N/A	N/A	7,630	3,292	125,764	96,259
2025-10-21	$66.09	$70.00	38.0%	10.9%	34.2%	14.6%	38.3%	2.4%	-0.7%	3.5M	-393.0M	-1.9M	0.50	30.41	N/A	N/A	4,780	2,405	128,234	98,500
2025-10-22	$64.73	$70.00	39.4%	11.3%	34.4%	16.2%	37.7%	2.3%	-2.2%	2.2M	-348.6M	-1.9M	1.70	35.77	N/A	N/A	3,552	6,040	130,049	99,407
2025-10-23	$67.37	$68.00	39.3%	11.4%	37.1%	15.9%	39.5%	2.3%	-2.4%	4.7M	-440.0M	-2.0M	0.42	39.84	N/A	N/A	12,882	5,389	129,436	102,022
2025-10-24	$68.83	$67.00	38.5%	11.3%	37.3%	14.9%	38.9%	3.7%	-2.3%	8.1M	-509.8M	-1.9M	0.50	37.18	N/A	N/A	6,749	3,369	134,548	104,564
2025-10-27	$69.53	$67.00	38.0%	11.3%	34.7%	14.3%	39.7%	2.5%	2.1%	7.1M	-516.8M	-1.9M	0.40	45.17	N/A	N/A	5,536	2,199	127,588	99,123
2025-10-28	$68.75	$67.00	37.4%	11.4%	35.0%	13.6%	39.5%	3.9%	1.4%	6.8M	-497.2M	-1.9M	0.89	43.44	N/A	N/A	2,767	2,452	128,761	99,763
2025-10-29	$69.10	$67.00	34.3%	12.0%	35.0%	10.0%	41.1%	2.0%	1.7%	6.8M	-502.5M	-1.9M	0.68	59.99	N/A	N/A	2,443	1,652	129,267	100,920
2025-10-30	$68.68	$67.00	39.5%	11.7%	32.8%	16.1%	40.9%	2.9%	-0.5%	6.5M	-491.2M	-1.9M	0.95	46.82	N/A	N/A	3,939	3,730	129,463	101,415
2025-10-31	$70.81	$67.00	39.2%	11.7%	34.7%	15.8%	41.1%	3.1%	-0.6%	9.4M	-544.9M	-2.0M	0.60	40.41	N/A	N/A	6,516	3,880	129,242	104,110