GOOG Options History — September 2025

In September 2025, GOOG traded between $211.54 and $256.38. ATM implied volatility averaged 29.8%, placing in the 24.5% IV rank vs the trailing year. The 30-day expected move averaged 8.3%. IV traded below realized volatility by 4.5% (HV 20d: 34.3%). Max pain ranged from $190.00 to $220.00. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 17 of 21 days. Put/call ratio averaged 0.72.

Notable Days

2025-09-03: Highest Volume — 815,192 contracts
2025-09-15: Largest IV spike — 15.9% change
2025-09-30: Highest IV Rank — 43.5%
2025-09-02: Largest Expected Move — 9.7%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$242.96	$211.54	$256.38	$211.54	$243.36
Max Pain	$208.10	$190.00	$220.00	$190.00	$220.00
ATM IV	29.8%	25.6%	37.3%	31.5%	37.3%
Expected Move	8.3%	7.5%	9.7%	9.7%	8.7%
HV 20d	34.3%	19.1%	37.1%	19.1%	36.6%
HV 60d	26.5%	22.3%	28.2%	22.3%	26.2%
IV Rank	24.5%	13.8%	43.5%	28.8%	43.5%
IV Percentile	47.8%	17.5%	90.9%	62.3%	90.9%
Term Structure	1.6%	-0.7%	5.7%	-0.6%	-0.1%
VWIV	29.9%	26.9%	35.2%	35.2%	31.5%
Skew 25d	1.2%	-0.3%	3.4%	3.4%	0.8%
Skew 10d	3.7%	1.3%	7.8%	7.8%	2.5%
Call IV 25d	29.7%	25.3%	38.1%	30.3%	38.1%
Put IV 25d	30.9%	26.7%	38.9%	33.7%	38.9%
Bid-Ask Spread %	3.19	2.25	6.60	4.03	3.46
Gamma HHI	0.10	0.07	0.25	0.07	0.08
Net GEX	270.5M	158.5M	460.1M	211.9M	158.5M
Net DEX	-12.96B	-16.77B	-7.57B	-7.57B	-10.20B
Net VEX	-43.4M	-46.7M	-38.6M	-41.2M	-46.7M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.72	0.46	1.01	0.49	1.01
Total Volume	247,830.19	123,872	815,192	175,069	201,184
Total OI	1,594,993.476	1,436,268	1,748,410	1,436,268	1,531,448

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 Vol	Put Vol	Call OI	Put OI
2025-09-02	$211.54	$190.00	31.5%	9.7%	19.1%	28.8%	35.2%	3.4%	-0.6%	211.9M	-7.57B	-41.2M	0.49	4.03	117,329	57,740	811,731	624,537
2025-09-03	$230.36	$190.00	27.2%	7.9%	34.4%	17.8%	28.6%	1.3%	-0.2%	342.9M	-12.85B	-38.6M	0.68	2.32	484,263	330,929	844,761	641,418
2025-09-04	$232.40	$195.00	26.4%	7.7%	34.4%	16.0%	26.9%	1.5%	0.2%	314.6M	-12.65B	-39.8M	0.89	3.08	197,640	176,827	881,919	727,915
2025-09-05	$235.22	$195.00	25.6%	7.5%	34.3%	13.8%	27.1%	1.4%	0.3%	460.1M	-13.74B	-40.9M	0.64	2.69	228,053	145,709	924,410	754,503
2025-09-08	$234.66	$200.00	25.8%	7.5%	33.9%	14.4%	27.1%	1.9%	0.2%	279.2M	-12.22B	-42.0M	0.87	2.25	100,548	87,048	863,491	694,367
2025-09-09	$240.10	$200.00	26.7%	7.7%	34.1%	16.8%	28.8%	1.6%	0.1%	305.5M	-13.63B	-40.8M	0.82	4.17	118,143	96,541	877,813	714,932
2025-09-10	$240.16	$205.00	27.2%	7.9%	34.1%	18.0%	28.4%	1.9%	0.2%	295.3M	-13.46B	-42.5M	0.73	3.39	117,427	85,498	887,145	743,095
2025-09-11	$242.10	$200.00	27.1%	7.8%	33.5%	17.6%	27.8%	1.0%	0.1%	323.2M	-13.96B	-41.9M	0.67	6.60	132,317	88,152	897,099	755,537
2025-09-12	$241.33	$205.00	26.9%	7.8%	33.8%	17.2%	28.4%	0.8%	0.4%	305.4M	-13.81B	-43.2M	0.68	4.17	108,686	73,587	919,688	767,487
2025-09-15	$251.70	$210.00	31.2%	8.9%	35.9%	27.9%	32.9%	-0.3%	1.3%	252.8M	-15.51B	-42.5M	0.46	3.50	285,670	132,335	875,249	718,681
2025-09-16	$251.63	$215.00	30.6%	8.8%	35.5%	26.5%	31.9%	1.0%	1.5%	260.3M	-15.34B	-44.0M	0.57	2.53	105,389	60,470	912,745	758,075
2025-09-17	$250.11	$215.00	29.1%	8.3%	35.3%	22.7%	31.0%	1.5%	1.4%	264.6M	-14.94B	-44.1M	0.79	2.77	112,783	88,656	927,219	774,120
2025-09-18	$252.01	$215.00	29.3%	8.3%	34.6%	23.2%	31.5%	0.8%	1.5%	299.4M	-15.46B	-44.9M	0.56	2.64	114,654	64,512	946,297	783,775
2025-09-19	$256.38	$215.00	28.7%	8.1%	34.4%	21.8%	29.0%	1.1%	1.4%	405.9M	-16.77B	-43.7M	0.58	3.49	152,205	88,986	958,105	790,305
2025-09-22	$252.06	$215.00	30.8%	8.5%	35.4%	27.1%	30.5%	0.9%	5.2%	236.0M	-12.72B	-44.8M	0.94	2.64	99,089	92,955	825,779	650,322
2025-09-23	$251.99	$215.00	31.4%	8.7%	35.5%	28.6%	31.2%	0.9%	5.6%	240.0M	-12.78B	-45.1M	0.73	2.83	71,498	52,374	850,248	671,155
2025-09-24	$247.38	$215.00	31.4%	8.5%	36.3%	28.4%	30.4%	0.9%	5.7%	187.7M	-11.38B	-46.7M	0.97	2.55	87,948	85,230	856,245	682,554
2025-09-25	$246.29	$215.00	32.8%	8.6%	36.6%	32.1%	30.7%	1.2%	5.6%	170.9M	-11.09B	-46.7M	0.64	2.34	120,717	76,975	869,392	690,950
2025-09-26	$247.28	$220.00	32.2%	8.1%	36.4%	30.6%	28.7%	1.1%	5.7%	191.8M	-11.60B	-45.2M	0.65	2.89	108,918	70,451	888,734	701,015
2025-09-29	$244.15	$220.00	36.7%	8.6%	37.1%	41.8%	31.0%	0.4%	-0.7%	174.8M	-10.52B	-45.9M	0.84	2.73	100,385	84,613	838,799	661,803
2025-09-30	$243.36	$220.00	37.3%	8.7%	36.6%	43.5%	31.5%	0.8%	-0.1%	158.5M	-10.20B	-46.7M	1.01	3.46	100,309	100,875	854,146	677,302