SNDK Options History — December 2025

In December 2025, SNDK traded between $193.08 and $250.55. ATM implied volatility averaged 91.3%, placing in the 61.0% IV rank vs the trailing year. The 30-day expected move averaged 26.4%. IV traded below realized volatility by 29.8% (HV 20d: 121.1%). Max pain ranged from $135.00 to $210.00. Net GEX was positive for 18 of 22 trading days. Term structure was in contango for 12 of 22 days. Put/call ratio averaged 0.78.

Notable Days

2025-12-12: Highest Volume — 59,689 contracts
2025-12-23: Largest IV drop — 5.2% change
2025-12-01: Highest IV Rank — 66.3%
2025-12-01: Largest Expected Move — 31.3%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$225.38	$193.08	$250.55	$209.73	$238.39
Max Pain	$189.32	$135.00	$210.00	$135.00	$210.00
ATM IV	91.3%	81.7%	98.0%	98.0%	92.7%
Expected Move	26.4%	23.5%	31.3%	31.3%	23.5%
HV 20d	121.1%	92.9%	142.4%	141.6%	92.9%
HV 60d	117.0%	113.9%	121.0%	113.9%	115.7%
IV Rank	61.0%	53.5%	66.3%	66.3%	62.2%
IV Percentile	71.2%	63.5%	78.6%	78.6%	71.8%
Term Structure	1.2%	-2.7%	8.1%	0.8%	-1.6%
VWIV	93.1%	82.8%	108.7%	108.7%	83.2%
Skew 25d	1.7%	-1.8%	5.7%	2.8%	0.1%
Skew 10d	3.8%	-3.7%	16.8%	6.5%	-2.2%
Call IV 25d	90.8%	79.7%	98.2%	98.1%	93.3%
Put IV 25d	92.5%	81.5%	100.9%	100.9%	93.5%
Bid-Ask Spread %	33.18	24.94	42.17	31.45	42.17
Gamma HHI	0.08	0.04	0.24	0.05	0.05
Net GEX	8.0M	-8.2M	23.9M	4.5M	726.2K
Net DEX	-697.5M	-1.24B	-299.0M	-575.4M	-526.8M
Net VEX	-2.8M	-3.1M	-2.6M	-2.8M	-2.9M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.78	0.49	1.27	0.56	0.95
Total Volume	33,265.409	13,407	59,689	31,340	13,407
Total OI	172,691.727	121,046	205,603	169,961	141,877

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	$209.73	$135.00	98.0%	31.3%	141.6%	66.3%	108.7%	2.8%	0.8%	4.5M	-575.4M	-2.8M	0.56	31.45	N/A	N/A	20,028	11,312	96,483	73,478
2025-12-02	$205.14	$145.00	96.6%	29.9%	140.9%	65.2%	105.7%	3.0%	1.1%	2.8M	-502.8M	-2.8M	0.67	34.73	N/A	N/A	23,881	16,033	102,830	77,278
2025-12-03	$193.08	$150.00	93.3%	28.7%	140.6%	62.7%	103.2%	4.9%	-0.9%	-2.0M	-299.0M	-2.6M	0.57	32.01	N/A	N/A	21,547	12,383	108,879	82,158
2025-12-04	$212.26	$190.00	95.3%	27.9%	140.2%	64.2%	99.0%	-1.8%	3.0%	8.8M	-735.7M	-2.9M	0.56	27.81	N/A	N/A	34,499	19,474	113,522	84,612
2025-12-05	$228.69	$190.00	93.7%	27.8%	142.4%	62.9%	96.9%	2.0%	2.0%	21.6M	-1.08B	-3.1M	0.58	31.22	N/A	N/A	33,564	19,386	117,596	88,007
2025-12-08	$223.39	$190.00	96.2%	27.7%	136.3%	64.9%	96.8%	-0.6%	-0.1%	10.0M	-865.5M	-3.0M	1.05	27.10	N/A	N/A	12,229	12,810	100,786	77,155
2025-12-09	$218.84	$190.00	96.7%	27.6%	127.6%	65.3%	100.3%	-0.9%	-1.0%	6.6M	-737.0M	-2.9M	0.84	28.42	N/A	N/A	10,267	8,598	101,665	81,526
2025-12-10	$232.92	$190.00	94.3%	27.1%	130.1%	63.4%	94.9%	-0.3%	1.1%	11.0M	-1.00B	-3.0M	0.71	37.61	N/A	N/A	11,954	8,516	104,034	85,740
2025-12-11	$243.00	$190.00	93.1%	26.8%	130.4%	62.4%	94.1%	1.5%	0.4%	20.5M	-1.24B	-3.0M	0.52	34.56	N/A	N/A	28,610	14,811	106,366	87,265
2025-12-12	$205.88	$195.00	92.0%	26.8%	133.1%	61.6%	93.9%	0.7%	3.5%	-8.2M	-327.0M	-2.7M	0.96	33.53	N/A	N/A	30,385	29,304	111,064	91,649
2025-12-15	$201.67	$195.00	94.7%	27.2%	130.9%	63.7%	94.6%	5.7%	-0.5%	-612.8K	-362.2M	-2.6M	0.79	41.17	N/A	N/A	11,246	8,888	98,714	81,961
2025-12-16	$209.77	$195.00	90.3%	25.9%	131.7%	60.3%	90.3%	2.9%	-0.1%	897.7K	-477.7M	-2.7M	1.27	39.87	N/A	N/A	8,323	10,560	101,692	84,523
2025-12-17	$206.55	$200.00	92.2%	26.4%	130.2%	61.7%	94.6%	0.5%	-2.6%	-584.3K	-436.1M	-2.7M	0.88	36.97	N/A	N/A	12,674	11,160	103,605	88,397
2025-12-18	$219.85	$200.00	91.0%	26.1%	132.5%	60.8%	92.1%	2.4%	-2.7%	7.2M	-702.5M	-2.7M	0.69	34.51	N/A	N/A	26,259	18,195	107,197	91,042
2025-12-19	$236.76	$200.00	87.7%	25.1%	103.3%	58.2%	87.8%	4.7%	-0.2%	23.9M	-1.12B	-2.8M	0.49	36.41	N/A	N/A	38,529	18,810	110,470	90,947
2025-12-22	$242.07	$200.00	86.2%	24.7%	103.0%	57.0%	88.6%	1.1%	3.7%	6.7M	-647.4M	-2.8M	0.58	29.57	N/A	N/A	21,615	12,590	68,876	52,170
2025-12-23	$243.55	$200.00	81.7%	23.9%	95.9%	53.5%	84.1%	1.8%	4.3%	9.8M	-710.2M	-2.9M	1.15	32.95	N/A	N/A	8,046	9,248	77,110	57,175
2025-12-24	$250.55	$200.00	82.6%	23.6%	95.6%	54.2%	82.8%	-0.3%	8.1%	15.0M	-862.3M	-3.0M	0.56	28.41	N/A	N/A	23,840	13,445	78,853	60,040
2025-12-26	$250.46	$200.00	84.2%	23.5%	95.7%	55.5%	84.9%	3.0%	4.4%	22.8M	-855.1M	-2.9M	0.57	24.94	N/A	N/A	27,580	15,819	85,988	65,882
2025-12-29	$245.19	$200.00	86.8%	24.7%	96.2%	57.5%	87.5%	1.6%	3.6%	8.6M	-670.6M	-2.9M	0.84	27.01	N/A	N/A	10,782	9,070	73,742	52,806
2025-12-30	$240.56	$200.00	89.5%	23.8%	93.3%	59.7%	84.8%	2.0%	-0.1%	6.1M	-598.3M	-2.8M	1.25	37.49	N/A	N/A	9,863	12,299	77,647	56,411
2025-12-31	$238.39	$210.00	92.7%	23.5%	92.9%	62.2%	83.2%	0.1%	-1.6%	726.2K	-526.8M	-2.9M	0.95	42.17	N/A	N/A	6,865	6,542	80,492	61,385