OUST Options History — December 2025

In December 2025, OUST traded between $20.96 and $26.43. ATM implied volatility averaged 85.5%, placing in the 14.5% IV rank vs the trailing year. The 30-day expected move averaged 24.7%. IV traded above realized volatility by 12.1% (HV 20d: 73.4%). Max pain ranged from $15.00 to $23.00. Net GEX was positive for 21 of 22 trading days. Term structure was in contango for 12 of 22 days. Put/call ratio averaged 0.50.

Notable Days

2025-12-04: Highest Volume — 10,593 contracts
2025-12-15: Largest IV drop — 5.2% change
2025-12-01: Highest IV Rank — 22.5%
2025-12-01: Largest Expected Move — 27.5%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$23.15	$20.96	$26.43	$21.91	$21.61
Max Pain	$16.27	$15.00	$23.00	$23.00	$15.00
ATM IV	85.5%	75.9%	93.0%	93.0%	77.8%
Expected Move	24.7%	21.7%	27.5%	27.5%	21.8%
HV 20d	73.4%	66.9%	77.3%	76.1%	73.0%
HV 60d	99.0%	95.2%	102.3%	100.0%	95.2%
IV Rank	14.5%	4.4%	22.5%	22.5%	6.4%
IV Percentile	16.0%	1.6%	38.1%	38.1%	4.4%
Term Structure	0.4%	-3.8%	5.6%	0.7%	1.0%
VWIV	88.6%	75.0%	100.8%	96.9%	77.2%
Skew 25d	-3.6%	-9.7%	2.1%	-1.9%	0.9%
Skew 10d	-5.2%	-25.5%	14.3%	-25.5%	7.3%
Call IV 25d	89.3%	75.7%	99.1%	93.7%	77.1%
Put IV 25d	85.7%	74.2%	93.5%	91.8%	78.0%
Bid-Ask Spread %	61.24	48.55	73.64	65.51	52.54
Gamma HHI	0.08	0.05	0.11	0.06	0.09
Net GEX	423.8K	-10.4K	1.1M	241.9K	343.9K
Net DEX	-41.0M	-69.6M	-20.5M	-35.3M	-30.5M
Net VEX	-257.6K	-299.4K	-220.2K	-262.0K	-222.2K
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.50	0.17	1.50	0.58	0.27
Total Volume	4,237.727	1,072	10,593	2,317	5,672
Total OI	76,316.045	68,026	85,340	68,676	69,757

Daily Data (22 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
2025-12-01	$21.91	$23.00	93.0%	27.5%	76.1%	22.5%	96.9%	-1.9%	0.7%	241.9K	-35.3M	-262.0K	0.58	65.51	N/A	N/A	1,468	849	50,265	18,411
2025-12-02	$22.21	$23.00	88.8%	26.8%	76.3%	18.0%	100.8%	-0.2%	-1.0%	237.7K	-36.1M	-259.8K	0.28	65.82	N/A	N/A	1,792	498	50,567	19,026
2025-12-03	$23.86	$23.00	91.3%	27.1%	75.5%	20.7%	98.1%	-3.3%	0.3%	474.8K	-45.2M	-271.6K	0.32	68.27	N/A	N/A	2,965	957	51,711	19,140
2025-12-04	$25.79	$15.00	90.9%	26.6%	75.4%	20.3%	94.1%	-9.7%	3.6%	765.2K	-62.6M	-298.1K	0.33	55.85	N/A	N/A	7,948	2,645	53,466	19,562
2025-12-05	$25.00	$15.00	90.8%	26.6%	72.0%	20.2%	93.5%	-4.4%	2.6%	891.3K	-58.6M	-294.2K	0.44	60.47	N/A	N/A	1,722	752	57,815	20,922
2025-12-08	$25.45	$15.00	91.3%	26.9%	69.6%	20.7%	94.8%	-5.7%	1.4%	651.2K	-59.5M	-292.0K	0.21	58.66	N/A	N/A	7,877	1,647	55,444	19,611
2025-12-09	$25.40	$15.00	92.2%	26.4%	69.5%	21.6%	96.3%	-5.6%	-0.9%	835.4K	-60.6M	-294.4K	0.20	55.94	N/A	N/A	1,860	380	60,767	20,251
2025-12-10	$25.63	$15.00	91.6%	26.1%	66.9%	21.0%	91.9%	-9.1%	-1.2%	920.1K	-62.7M	-295.7K	0.68	57.78	N/A	N/A	1,775	1,201	61,434	20,496
2025-12-11	$26.43	$15.00	88.4%	25.2%	67.7%	17.6%	91.6%	-6.2%	-2.5%	1.1M	-69.6M	-299.4K	0.51	60.02	N/A	N/A	3,277	1,675	61,904	21,302
2025-12-12	$24.30	$15.00	90.5%	26.2%	67.0%	19.8%	92.4%	-6.3%	3.9%	514.6K	-49.8M	-276.0K	0.91	55.28	N/A	N/A	2,765	2,523	62,850	22,040
2025-12-15	$22.01	$15.00	85.8%	24.6%	75.9%	14.9%	90.1%	-5.2%	-1.0%	201.9K	-29.6M	-244.4K	0.79	62.51	N/A	N/A	3,500	2,769	58,595	20,744
2025-12-16	$22.50	$15.00	85.1%	24.4%	73.2%	14.2%	88.5%	-5.2%	-0.8%	198.2K	-30.8M	-249.4K	0.36	63.45	N/A	N/A	2,538	920	60,108	22,085
2025-12-17	$20.96	$15.00	85.1%	24.4%	77.3%	14.2%	89.4%	-5.7%	-1.2%	-10.4K	-20.5M	-229.7K	0.75	72.33	N/A	N/A	2,053	1,541	60,977	22,353
2025-12-18	$21.48	$15.00	84.7%	24.3%	77.0%	13.7%	89.2%	-6.2%	-1.7%	14.7K	-24.9M	-241.1K	0.50	67.67	N/A	N/A	2,175	1,078	61,999	22,607
2025-12-19	$22.30	$15.00	83.7%	24.2%	75.8%	12.7%	85.9%	-4.5%	-3.8%	159.7K	-31.6M	-243.0K	0.53	73.64	N/A	N/A	1,782	942	62,832	22,508
2025-12-22	$22.88	$15.00	82.5%	23.8%	76.0%	11.4%	84.1%	0.0%	2.3%	344.8K	-38.1M	-245.1K	0.30	50.28	N/A	N/A	4,474	1,358	50,273	18,673
2025-12-23	$22.44	$15.00	78.4%	22.6%	74.6%	7.0%	80.7%	2.1%	0.5%	375.8K	-35.0M	-239.2K	0.60	48.55	N/A	N/A	1,991	1,188	52,836	19,540
2025-12-24	$22.44	$15.00	78.3%	22.3%	74.2%	7.0%	81.3%	1.4%	2.5%	290.8K	-34.4M	-238.2K	1.50	57.44	N/A	N/A	429	643	53,476	20,384
2025-12-26	$21.98	$17.00	75.9%	22.0%	73.6%	4.4%	75.0%	-2.1%	-1.9%	190.2K	-31.7M	-231.9K	0.61	66.73	N/A	N/A	3,267	1,985	53,464	20,805
2025-12-29	$21.39	$16.00	77.3%	22.6%	74.0%	5.9%	80.3%	-5.1%	5.6%	257.7K	-27.3M	-220.2K	0.25	63.86	N/A	N/A	2,832	718	51,458	16,568
2025-12-30	$21.38	$16.00	76.7%	21.7%	73.1%	5.2%	77.3%	2.0%	0.2%	329.7K	-28.6M	-220.4K	0.17	64.76	N/A	N/A	2,395	404	53,143	16,784
2025-12-31	$21.61	$15.00	77.8%	21.8%	73.0%	6.4%	77.2%	0.9%	1.0%	343.9K	-30.5M	-222.2K	0.27	52.54	N/A	N/A	4,449	1,223	53,084	16,673