VOO Options History — December 2023

In December 2023, VOO traded between $417.94 and $438.52. ATM implied volatility averaged 11.4%, placing in the 5.9% IV rank vs the trailing year. The 30-day expected move averaged 3.2%. IV traded above realized volatility by 2.3% (HV 20d: 9.1%). Max pain ranged from $365.00 to $400.00. Net GEX was positive for 20 of 20 trading days. Term structure was in contango for 19 of 20 days. Put/call ratio averaged 0.81.

Notable Days

2023-12-20: Highest Volume — 8,819 contracts
2023-12-13: Largest IV drop — 18.7% change
2023-12-11: Highest IV Rank — 13.1%
2023-12-07: Largest Expected Move — 3.4%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$429.70	$417.94	$438.52	$421.63	$436.89
Max Pain	$383.25	$365.00	$400.00	$370.00	$400.00
ATM IV	11.4%	10.2%	13.8%	11.6%	10.5%
Expected Move	3.2%	2.9%	3.4%	3.3%	3.0%
HV 20d	9.1%	7.1%	11.0%	10.8%	9.2%
HV 60d	13.1%	12.4%	13.5%	13.5%	12.4%
IV Rank	5.9%	1.7%	13.1%	6.0%	3.2%
IV Percentile	15.0%	1.2%	36.1%	16.7%	5.2%
Term Structure	1.0%	-0.1%	1.5%	-0.1%	1.5%
VWIV	11.9%	10.3%	15.0%	11.9%	11.9%
Skew 25d	2.1%	1.5%	2.8%	1.7%	1.6%
Skew 10d	5.0%	3.4%	6.6%	5.6%	3.9%
Call IV 25d	10.3%	9.6%	11.0%	11.0%	9.7%
Put IV 25d	12.4%	11.2%	13.5%	12.6%	11.2%
Bid-Ask Spread %	68.38	31.16	82.71	31.16	57.36
Gamma HHI	0.14	0.10	0.21	0.13	0.12
Net GEX	41.7M	26.6M	59.1M	42.1M	42.0M
Net DEX	-661.6M	-919.8M	-458.7M	-692.3M	-571.0M
Net VEX	-1.7M	-2.0M	-1.5M	-1.6M	-2.0M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.81	0.16	2.73	0.36	1.99
Total Volume	2,585.15	1,059	8,819	1,580	3,105
Total OI	53,661.6	41,244	58,909	52,730	56,362

Daily Data (20 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
2023-12-01	$421.63	$370.00	11.6%	3.3%	10.8%	6.0%	11.9%	1.7%	-0.1%	42.1M	-692.3M	-1.6M	0.36	31.16	1,163	417	30,744	21,986
2023-12-04	$419.35	$365.00	12.1%	3.4%	10.8%	7.6%	13.0%	2.8%	0.8%	42.3M	-672.2M	-1.6M	0.90	72.72	791	710	31,281	22,102
2023-12-05	$419.22	$365.00	12.3%	3.3%	10.8%	8.4%	11.8%	2.6%	0.9%	42.2M	-669.1M	-1.6M	0.31	79.51	810	249	31,379	22,458
2023-12-06	$417.94	$365.00	12.2%	3.4%	10.9%	8.1%	12.1%	2.6%	0.9%	40.5M	-634.3M	-1.6M	0.89	76.24	623	553	31,545	22,798
2023-12-07	$421.03	$370.00	13.2%	3.4%	11.0%	11.2%	12.8%	2.4%	0.8%	42.6M	-686.5M	-1.6M	0.32	80.00	1,059	343	31,716	22,875
2023-12-08	$423.18	$370.00	11.6%	3.2%	10.2%	6.1%	11.7%	2.1%	0.9%	47.4M	-728.0M	-1.6M	0.48	81.60	898	432	32,328	23,045
2023-12-11	$424.26	$370.00	13.8%	3.2%	9.0%	13.1%	11.6%	2.1%	1.0%	49.4M	-751.6M	-1.5M	0.26	80.01	1,813	470	32,664	23,217
2023-12-12	$426.24	$370.00	12.8%	3.0%	9.0%	10.0%	11.9%	2.2%	1.1%	54.3M	-798.4M	-1.6M	0.81	79.53	1,407	1,139	33,553	23,366
2023-12-13	$431.69	$380.00	10.4%	3.0%	7.4%	2.2%	10.8%	1.9%	1.2%	58.6M	-901.2M	-1.5M	0.28	82.71	2,609	743	33,667	23,955
2023-12-14	$433.19	$380.00	10.2%	2.9%	7.4%	1.7%	10.6%	2.2%	1.1%	59.1M	-919.8M	-1.6M	0.22	82.47	2,936	637	34,203	24,185
2023-12-15	$432.83	$380.00	10.2%	2.9%	7.4%	1.8%	10.9%	2.0%	1.2%	42.7M	-906.7M	-1.6M	0.23	81.49	2,396	560	34,559	24,350
2023-12-18	$435.83	$380.00	10.6%	3.1%	7.6%	3.7%	14.5%	1.9%	1.2%	31.1M	-521.6M	-1.6M	2.55	78.00	1,757	4,473	23,515	17,729
2023-12-19	$437.59	$400.00	10.5%	3.0%	7.1%	3.2%	11.0%	1.5%	1.3%	31.4M	-550.2M	-1.7M	0.41	66.03	1,482	611	24,241	21,817
2023-12-20	$431.50	$400.00	11.7%	3.3%	9.0%	7.9%	15.0%	2.5%	1.1%	28.9M	-458.7M	-1.8M	2.73	53.69	2,367	6,452	23,433	22,149
2023-12-21	$433.94	$400.00	11.3%	3.3%	9.0%	6.7%	11.9%	2.5%	0.9%	26.6M	-483.1M	-2.0M	1.67	51.30	788	1,314	24,860	27,653
2023-12-22	$435.10	$400.00	11.3%	3.2%	9.0%	6.5%	11.8%	1.9%	1.1%	29.1M	-508.2M	-1.9M	0.16	55.22	2,206	348	24,969	28,632
2023-12-26	$437.34	$400.00	11.2%	3.2%	9.0%	6.0%	11.3%	1.6%	1.2%	38.1M	-580.8M	-1.9M	0.44	59.46	906	397	26,336	28,758
2023-12-27	$436.83	$400.00	10.7%	3.1%	9.0%	3.8%	10.5%	1.6%	1.2%	42.4M	-585.6M	-1.9M	0.72	60.22	640	462	26,482	28,752
2023-12-28	$438.52	$400.00	10.2%	2.9%	9.0%	1.7%	10.3%	1.5%	1.2%	42.6M	-612.4M	-1.8M	0.41	58.93	1,165	472	26,628	28,940
2023-12-29	$436.89	$400.00	10.5%	3.0%	9.2%	3.2%	11.9%	1.6%	1.5%	42.0M	-571.0M	-2.0M	1.99	57.36	1,039	2,066	27,079	29,283