IBKR Options History — April 2025

In April 2025, IBKR traded between $35.61 and $43.80. ATM implied volatility averaged 58.4%, placing in the 47.1% IV rank vs the trailing year. The 30-day expected move averaged 15.3%. IV traded below realized volatility by 29.4% (HV 20d: 87.8%). Max pain ranged from $40.00 to $42.50. Net GEX was positive for 17 of 21 trading days. Term structure was in contango for 0 of 21 days. Put/call ratio averaged 0.88.

Notable Days

2025-04-16: Highest Volume — 90,356 contracts
2025-04-09: Largest IV drop — 54.2% change
2025-04-04: Highest IV Rank — 100.0%
2025-04-08: Largest Expected Move — 22.1%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$40.89	$35.61	$43.80	$43.20	$42.60
Max Pain	$41.19	$40.00	$42.50	$42.50	$41.25
ATM IV	58.4%	44.0%	110.8%	50.8%	45.4%
Expected Move	15.3%	12.6%	22.1%	13.0%	13.0%
HV 20d	87.8%	62.6%	99.7%	68.2%	97.7%
HV 60d	68.1%	54.8%	75.1%	54.8%	72.0%
IV Rank	47.1%	25.7%	100.0%	57.5%	27.4%
IV Percentile	93.7%	85.3%	100.0%	96.4%	88.1%
Term Structure	-4.2%	-10.2%	-0.6%	-5.8%	-2.8%
VWIV	53.7%	44.4%	74.4%	45.8%	45.6%
Skew 25d	11.1%	5.9%	22.9%	6.7%	6.4%
Skew 10d	19.8%	4.4%	38.8%	12.8%	4.4%
Call IV 25d	48.2%	41.0%	65.4%	48.6%	42.3%
Put IV 25d	59.3%	47.4%	85.2%	55.3%	48.7%
Bid-Ask Spread %	31.85	18.79	41.17	25.87	38.67
Gamma HHI	0.07	0.05	0.13	0.06	0.06
Net GEX	1.2M	-3.6M	4.3M	1.7M	1.8M
Net DEX	-51.4M	-160.8M	64.0M	-71.5M	-102.0M
Net VEX	-1.7M	-1.9M	-1.4M	-1.6M	-1.8M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.88	0.24	2.13	0.41	0.63
Total Volume	21,860.19	4,452	90,356	7,020	4,452
Total OI	261,102.476	218,804	329,172	218,804	273,460

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
2025-04-01	$43.20	$42.50	50.8%	13.0%	68.2%	57.5%	45.8%	6.7%	-5.8%	1.7M	-71.5M	-1.6M	0.41	25.87	N/A	N/A	4,976	2,044	133,544	85,260
2025-04-02	$43.66	$42.50	52.3%	13.1%	68.4%	60.3%	45.6%	5.9%	-2.7%	2.2M	-90.0M	-1.6M	0.24	19.54	N/A	N/A	10,876	2,664	136,672	85,940
2025-04-03	$39.89	$42.50	61.8%	14.9%	73.5%	78.6%	51.0%	7.6%	-3.2%	609.8K	-965.0K	-1.5M	0.53	18.79	N/A	N/A	9,840	5,248	139,688	87,364
2025-04-04	$36.89	$42.50	89.3%	20.3%	76.9%	100.0%	72.3%	19.1%	-10.2%	319.5K	39.1M	-1.4M	1.03	33.10	N/A	N/A	20,356	20,936	144,296	86,584
2025-04-07	$35.61	$41.25	106.6%	21.8%	62.9%	100.0%	72.2%	21.4%	-9.6%	-54.4K	56.8M	-1.4M	0.72	33.32	N/A	N/A	12,696	9,156	146,012	91,828
2025-04-08	$36.16	$41.25	110.8%	22.1%	62.6%	100.0%	74.4%	19.8%	-9.1%	292.1K	40.6M	-1.5M	1.19	28.96	N/A	N/A	9,020	10,744	152,556	93,476
2025-04-09	$42.92	$40.00	50.7%	14.5%	89.5%	33.2%	53.0%	11.8%	-4.3%	2.6M	-113.6M	-1.7M	0.64	41.17	N/A	N/A	11,716	7,496	154,200	99,892
2025-04-10	$40.62	$40.00	69.4%	19.9%	89.2%	54.0%	71.8%	22.9%	-7.1%	2.0M	-60.5M	-1.8M	0.47	39.13	N/A	N/A	13,968	6,560	158,952	101,428
2025-04-11	$42.86	$40.00	58.2%	16.7%	90.2%	41.5%	58.8%	14.9%	-4.6%	3.4M	-127.2M	-1.9M	0.69	32.25	N/A	N/A	5,620	3,884	160,752	104,712
2025-04-14	$43.62	$40.00	54.9%	15.7%	89.2%	37.8%	55.4%	12.1%	-4.4%	3.7M	-148.2M	-1.8M	0.71	37.39	N/A	N/A	12,420	8,796	161,324	105,688
2025-04-15	$43.80	$41.25	53.5%	15.3%	89.1%	36.4%	53.2%	9.9%	-5.7%	4.3M	-160.8M	-1.8M	0.69	36.14	N/A	N/A	36,108	24,760	164,548	111,400
2025-04-16	$38.97	$41.25	50.4%	14.5%	96.9%	32.9%	51.3%	10.5%	-1.8%	-3.6M	64.0M	-1.6M	0.95	25.83	N/A	N/A	46,316	44,040	186,040	131,424
2025-04-17	$39.93	$40.00	45.9%	13.1%	97.3%	27.8%	46.1%	8.8%	-0.6%	1.9M	-13.2M	-1.7M	0.90	35.93	N/A	N/A	18,888	17,060	189,872	139,300
2025-04-21	$38.19	$41.25	53.5%	15.3%	98.3%	36.3%	52.9%	9.5%	-5.1%	-518.5K	17.6M	-1.6M	0.96	40.51	N/A	N/A	6,732	6,472	144,980	107,800
2025-04-22	$39.56	$41.25	47.5%	13.6%	98.1%	29.6%	47.2%	9.5%	-1.6%	-470.9K	-8.9M	-1.7M	1.11	34.83	N/A	N/A	8,224	9,092	145,356	111,056
2025-04-23	$40.33	$41.25	47.9%	13.7%	98.5%	30.1%	47.9%	7.5%	-3.1%	15.3K	-31.3M	-1.8M	0.66	33.52	N/A	N/A	6,616	4,388	148,800	116,848
2025-04-24	$42.33	$41.25	44.1%	12.7%	99.7%	25.9%	44.4%	7.7%	-1.0%	1.1M	-88.5M	-1.8M	0.60	39.83	N/A	N/A	6,496	3,908	150,180	116,768
2025-04-25	$42.32	$41.25	44.0%	12.6%	99.5%	25.7%	45.9%	6.4%	-1.2%	1.1M	-88.5M	-1.8M	1.99	31.09	N/A	N/A	3,136	6,236	150,840	117,888
2025-04-28	$42.30	$41.25	44.8%	12.9%	98.7%	26.7%	47.2%	7.1%	-2.6%	1.0M	-85.6M	-1.8M	2.13	22.39	N/A	N/A	3,744	7,960	151,624	122,044
2025-04-29	$42.85	$41.25	44.9%	12.9%	98.7%	26.8%	46.5%	6.5%	-2.5%	1.8M	-106.6M	-1.8M	1.24	20.64	N/A	N/A	2,416	3,004	152,520	120,236
2025-04-30	$42.60	$41.25	45.4%	13.0%	97.7%	27.4%	45.6%	6.4%	-2.8%	1.8M	-102.0M	-1.8M	0.63	38.67	N/A	N/A	2,736	1,716	153,108	120,352