CSBR Options History — December 2025

In December 2025, CSBR traded between $6.03 and $7.73. ATM implied volatility averaged 298.7%, placing in the 58.8% IV rank vs the trailing year. The 30-day expected move averaged 82.4%. IV traded above realized volatility by 236.6% (HV 20d: 62.0%). Max pain ranged from $2.50 to $5.00. Net GEX was positive for 22 of 22 trading days. Term structure was in contango for 10 of 22 days. Put/call ratio averaged 38.30.

Notable Days

2025-12-16: Highest Volume — 309 contracts
2025-12-15: Largest IV spike — 89.3% change
2025-12-17: Highest IV Rank — 79.8%
2025-12-17: Largest Expected Move — 111.5%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$6.64	$6.03	$7.73	$6.14	$6.88
Max Pain	$4.56	$2.50	$5.00	$2.50	$5.00
ATM IV	298.7%	168.0%	388.9%	355.9%	341.1%
Expected Move	82.4%	48.2%	111.5%	109.5%	97.8%
HV 20d	62.0%	25.9%	94.5%	30.7%	94.5%
HV 60d	52.0%	25.7%	60.9%	60.9%	58.3%
IV Rank	58.8%	28.6%	79.8%	72.1%	68.7%
IV Percentile	60.9%	22.6%	88.1%	80.6%	73.8%
Term Structure	-24.4%	-396.2%	256.1%	246.3%	-185.7%
VWIV	196.3%	39.8%	372.6%	372.6%	39.8%
Skew 25d	-35.3%	-148.5%	142.5%	-135.1%	142.5%
Skew 10d	-150.4%	-337.2%	-6.8%	-337.2%	-107.2%
Call IV 25d	257.8%	99.3%	433.5%	328.2%	110.2%
Put IV 25d	222.6%	192.8%	299.7%	193.1%	252.7%
Bid-Ask Spread %	165.59	148.79	173.58	155.55	164.02
Gamma HHI	0.46	0.30	0.83	0.43	0.40
Net GEX	400	73	2.0K	194	511
Net DEX	-43.0K	-67.8K	-28.0K	-33.5K	-53.2K
Net VEX	-121	-204	-81	-95	-140
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	38.30	0.00	308.00	0.00	0.00
Total Volume	42	0	309	10	0
Total OI	381.455	138	879	138	514

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	$6.14	$2.50	355.9%	0.0%	30.7%	72.1%	0.0%	-135.1%	246.3%	194	-33.5K	-95	0.00	155.55	N/A	N/A	0	10	88	50
2025-12-02	$6.03	$2.50	374.8%	0.0%	30.9%	76.5%	0.0%	-147.5%	255.5%	113	-38.0K	-81	0.00	159.12	N/A	N/A	0	20	88	60
2025-12-03	$6.03	$2.50	379.0%	0.0%	30.8%	77.5%	0.0%	-148.5%	256.1%	173	-33.1K	-91	0.00	159.27	N/A	N/A	11	0	88	80
2025-12-04	$6.04	$0.00	382.0%	109.5%	30.7%	78.1%	0.0%	-148.4%	-98.7%	170	-32.3K	-89	0.00	170.95	N/A	N/A	0	20	86	80
2025-12-05	$6.13	$0.00	373.8%	107.2%	31.6%	76.3%	0.0%	-139.9%	-98.0%	177	-32.6K	-90	0.00	168.46	N/A	N/A	2	0	86	100
2025-12-08	$6.20	$0.00	378.4%	108.5%	32.1%	77.3%	0.0%	-135.7%	-103.9%	180	-33.1K	-89	0.00	170.99	N/A	N/A	0	10	87	100
2025-12-09	$6.21	$0.00	381.9%	109.5%	32.2%	78.1%	0.0%	-135.6%	-106.6%	185	-32.9K	-88	0.00	169.52	N/A	N/A	1	0	87	110
2025-12-10	$6.32	$0.00	168.0%	48.2%	25.9%	28.6%	372.6%	-126.1%	244.3%	193	-33.4K	-89	0.00	171.53	N/A	N/A	1	0	87	110
2025-12-11	$6.39	$5.00	170.1%	48.8%	26.0%	29.1%	0.0%	-120.7%	241.4%	210	-35.4K	-93	0.00	172.75	N/A	N/A	0	20	91	110
2025-12-12	$6.60	$5.00	171.7%	49.2%	29.0%	29.4%	43.8%	-133.8%	231.3%	219	-37.0K	-94	0.00	168.87	N/A	N/A	1	0	91	130
2025-12-15	$7.73	$5.00	325.2%	93.2%	63.3%	65.0%	340.0%	124.8%	-127.9%	583	-41.2K	-102	0.14	169.25	N/A	N/A	152	22	92	130
2025-12-16	$6.98	$5.00	365.6%	104.8%	74.0%	74.3%	127.3%	-78.4%	-368.1%	2.0K	-67.8K	-132	308.00	168.08	N/A	N/A	1	308	218	155
2025-12-17	$6.28	$5.00	388.9%	111.5%	83.3%	79.8%	254.2%	-136.9%	-396.2%	122	-30.6K	-138	150.50	164.61	N/A	N/A	2	301	217	456
2025-12-18	$7.05	$5.00	359.2%	103.0%	93.3%	72.9%	0.0%	31.8%	-253.9%	73	-28.0K	-198	0.00	171.60	N/A	N/A	35	0	217	627
2025-12-19	$7.12	$5.00	192.7%	55.3%	93.3%	34.3%	0.0%	28.4%	84.8%	273	-48.6K	-204	1.00	173.58	N/A	N/A	2	2	252	627
2025-12-22	$7.22	$5.00	208.1%	59.7%	93.2%	37.9%	0.0%	-93.4%	74.5%	530	-62.3K	-134	0.00	148.79	N/A	N/A	2	0	139	371
2025-12-23	$7.04	$5.00	212.2%	60.8%	93.6%	38.8%	0.0%	68.3%	78.7%	658	-57.2K	-136	0.00	155.61	N/A	N/A	0	0	142	371
2025-12-24	$7.20	$5.00	209.9%	60.2%	93.9%	38.3%	39.8%	106.6%	6.5%	744	-59.0K	-137	0.00	154.36	N/A	N/A	1	0	142	371
2025-12-26	$6.98	$5.00	296.2%	84.9%	94.1%	58.3%	0.0%	133.4%	-155.0%	526	-54.5K	-153	0.00	168.70	N/A	N/A	0	0	143	371
2025-12-29	$6.90	$5.00	199.8%	57.3%	94.3%	35.9%	0.0%	140.7%	-172.5%	571	-54.1K	-140	0.00	169.03	N/A	N/A	0	0	143	371
2025-12-30	$6.59	$5.00	336.3%	96.4%	93.9%	67.6%	0.0%	127.9%	-190.2%	439	-47.6K	-143	0.00	168.32	N/A	N/A	0	0	143	371
2025-12-31	$6.88	$5.00	341.1%	97.8%	94.5%	68.7%	0.0%	142.5%	-185.7%	511	-53.2K	-140	0.00	164.02	N/A	N/A	0	0	143	371