VOO Options History — October 2025

In October 2025, VOO traded between $603.20 and $632.19. ATM implied volatility averaged 14.8%, placing in the 14.2% IV rank vs the trailing year. The 30-day expected move averaged 4.2%. IV traded above realized volatility by 4.5% (HV 20d: 10.2%). Max pain ranged from $575.00 to $615.00. Net GEX was positive for 23 of 23 trading days. Term structure was in contango for 15 of 23 days. Put/call ratio averaged 0.76.

Notable Days

2025-10-10: Highest Volume — 10,794 contracts
2025-10-10: Largest IV spike — 34.8% change
2025-10-16: Highest IV Rank — 27.8%
2025-10-16: Largest Expected Move — 5.6%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$617.44	$603.20	$632.19	$614.85	$628.88
Max Pain	$606.74	$575.00	$615.00	$575.00	$615.00
ATM IV	14.8%	13.0%	19.6%	13.1%	14.1%
Expected Move	4.2%	3.3%	5.6%	3.4%	4.1%
HV 20d	10.2%	6.0%	13.1%	6.8%	13.1%
HV 60d	9.7%	8.5%	10.7%	8.6%	9.9%
IV Rank	14.2%	9.3%	27.8%	9.5%	12.4%
IV Percentile	53.0%	29.0%	86.1%	30.2%	50.8%
Term Structure	0.1%	-0.3%	0.8%	0.2%	0.7%
VWIV	15.4%	12.0%	19.6%	12.9%	14.9%
Skew 25d	5.7%	3.9%	8.4%	4.8%	5.1%
Skew 10d	12.7%	8.2%	20.6%	10.3%	11.0%
Call IV 25d	12.4%	11.0%	16.3%	11.0%	12.4%
Put IV 25d	18.1%	15.8%	24.3%	15.8%	17.5%
Bid-Ask Spread %	50.58	30.56	78.72	76.86	61.83
Gamma HHI	0.10	0.05	0.26	0.11	0.26
Net GEX	76.7M	12.0M	124.8M	99.0M	124.8M
Net DEX	-1.26B	-1.60B	-846.8M	-1.28B	-1.45B
Net VEX	-4.8M	-5.2M	-4.5M	-4.5M	-4.9M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.76	0.34	1.87	0.96	0.63
Total Volume	6,090.261	3,229	10,794	5,046	5,492
Total OI	78,529.217	70,462	86,900	74,592	81,498

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 Vol	Put Vol	Call OI	Put OI
2025-10-01	$614.85	$575.00	13.1%	3.4%	6.8%	9.5%	12.9%	4.8%	0.2%	99.0M	-1.28B	-4.5M	0.96	76.86	2,574	2,472	39,151	35,441
2025-10-02	$615.25	$580.00	13.6%	3.5%	6.3%	10.9%	13.3%	5.1%	0.2%	107.9M	-1.27B	-4.7M	0.71	77.94	2,322	1,638	39,814	36,839
2025-10-03	$615.98	$580.00	13.3%	3.3%	6.1%	10.2%	12.0%	5.0%	0.3%	112.4M	-1.33B	-4.5M	0.51	78.72	4,320	2,184	40,202	37,112
2025-10-06	$617.71	$615.00	13.4%	3.9%	6.1%	10.5%	15.1%	4.8%	0.1%	70.8M	-1.28B	-4.6M	1.15	30.56	2,365	2,723	38,658	35,130
2025-10-07	$615.29	$615.00	14.0%	4.1%	6.4%	12.1%	15.5%	5.1%	0.2%	69.5M	-1.23B	-4.7M	0.69	33.05	2,451	1,690	39,643	36,874
2025-10-08	$618.49	$610.00	13.5%	3.9%	6.6%	10.6%	14.1%	4.9%	0.2%	92.5M	-1.32B	-4.5M	0.52	33.89	2,124	1,105	40,463	37,765
2025-10-09	$616.81	$610.00	13.3%	4.0%	6.0%	10.0%	14.7%	4.8%	0.2%	88.3M	-1.28B	-4.7M	1.26	33.64	1,850	2,334	40,929	38,126
2025-10-10	$603.20	$610.00	17.9%	5.0%	10.2%	23.0%	17.0%	7.5%	-0.3%	12.0M	-846.8M	-5.1M	0.58	52.72	6,839	3,955	41,223	39,612
2025-10-13	$609.68	$610.00	15.4%	4.5%	10.9%	16.0%	15.5%	6.4%	0.1%	45.6M	-1.09B	-4.7M	0.58	49.82	4,909	2,844	40,647	37,098
2025-10-14	$607.44	$610.00	16.9%	4.8%	11.0%	20.4%	17.1%	7.2%	-0.3%	50.8M	-1.05B	-5.1M	0.63	52.14	3,278	2,064	43,199	38,475
2025-10-15	$611.13	$610.00	16.7%	4.9%	11.2%	19.8%	16.7%	7.7%	-0.1%	65.7M	-1.15B	-5.1M	0.34	52.86	5,367	1,813	44,371	39,239
2025-10-16	$606.58	$610.00	19.6%	5.6%	11.4%	27.8%	18.7%	8.1%	-0.2%	40.9M	-1.01B	-5.1M	0.75	44.98	3,266	2,447	45,829	39,715
2025-10-17	$610.96	$610.00	17.6%	5.0%	11.5%	22.3%	19.6%	8.4%	-0.3%	55.4M	-1.14B	-5.2M	0.87	48.79	4,767	4,163	46,481	40,419
2025-10-20	$617.57	$610.00	14.3%	4.1%	12.0%	12.9%	14.8%	5.7%	0.8%	62.1M	-1.18B	-4.9M	0.54	47.04	5,051	2,741	40,595	29,867
2025-10-21	$617.86	$610.00	14.2%	4.1%	11.8%	12.6%	17.1%	5.8%	0.1%	84.0M	-1.20B	-5.1M	1.21	33.36	1,764	2,127	43,216	31,459
2025-10-22	$613.66	$610.00	15.3%	4.4%	12.0%	15.7%	17.0%	7.3%	-0.2%	45.2M	-1.05B	-5.0M	1.87	45.79	1,845	3,459	43,775	32,826
2025-10-23	$618.01	$610.00	14.0%	4.0%	12.1%	12.1%	14.5%	5.7%	-0.1%	78.1M	-1.21B	-4.9M	0.65	41.67	4,683	3,057	44,005	34,648
2025-10-24	$623.31	$610.00	13.5%	3.8%	12.2%	10.7%	13.7%	4.7%	0.7%	107.2M	-1.47B	-4.8M	0.46	45.42	4,996	2,315	45,352	36,117
2025-10-27	$629.48	$610.00	13.0%	3.8%	12.6%	9.3%	13.7%	5.1%	0.5%	84.9M	-1.51B	-4.6M	0.67	50.99	4,233	2,815	41,781	32,451
2025-10-28	$632.19	$610.00	13.9%	4.0%	12.6%	11.9%	15.8%	4.0%	-0.1%	92.3M	-1.60B	-4.7M	0.55	52.18	3,373	1,866	43,085	33,910
2025-10-29	$630.94	$610.00	14.5%	4.4%	12.6%	13.4%	13.9%	4.4%	0.2%	93.4M	-1.54B	-4.8M	0.63	61.18	5,168	3,276	43,804	34,530
2025-10-30	$625.87	$615.00	14.3%	4.3%	13.1%	13.0%	15.9%	3.9%	0.5%	80.6M	-1.41B	-4.9M	0.82	57.88	2,166	1,785	44,980	35,818
2025-10-31	$628.88	$615.00	14.1%	4.1%	13.1%	12.4%	14.9%	5.1%	0.7%	124.8M	-1.45B	-4.9M	0.63	61.83	3,367	2,125	45,302	36,196