CBU Options History — October 2025

In October 2025, CBU traded between $54.84 and $59.16. ATM implied volatility averaged 47.5%, placing in the 30.8% IV rank vs the trailing year. The 30-day expected move averaged 10.3%. IV traded above realized volatility by 20.3% (HV 20d: 27.2%). Max pain ranged from $60.00 to $65.00. Net GEX was positive for 19 of 23 trading days. Term structure was in contango for 1 of 23 days. Put/call ratio averaged 2.50.

Notable Days

2025-10-20: Highest Volume — 33 contracts
2025-10-15: Largest IV drop — 71.4% change
2025-10-14: Highest IV Rank — 100.0%
2025-10-03: Largest Expected Move — 15.1%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$56.93	$54.84	$59.16	$58.50	$55.50
Max Pain	$60.65	$60.00	$65.00	$65.00	$60.00
ATM IV	47.5%	27.5%	115.8%	49.2%	37.8%
Expected Move	10.3%	7.9%	15.1%	14.1%	10.8%
HV 20d	27.2%	22.5%	31.3%	23.4%	29.9%
HV 60d	28.4%	27.0%	29.3%	27.8%	29.2%
IV Rank	30.8%	9.4%	100.0%	33.3%	20.0%
IV Percentile	53.0%	8.7%	100.0%	79.0%	38.9%
Term Structure	-11.3%	-25.8%	4.8%	-24.9%	-24.1%
VWIV	37.9%	28.0%	55.8%	40.4%	29.3%
Skew 25d	-6.4%	-30.3%	28.7%	-17.7%	28.7%
Skew 10d	4.3%	-27.0%	63.0%	2.2%	63.0%
Call IV 25d	54.0%	24.0%	73.1%	69.0%	46.6%
Put IV 25d	47.6%	25.6%	75.7%	51.3%	75.4%
Bid-Ask Spread %	118.54	111.25	127.01	120.67	119.47
Gamma HHI	0.57	0.34	0.73	0.34	0.65
Net GEX	6.2K	-1.1K	12.4K	-923	6.5K
Net DEX	-99.7K	-169.4K	-22.1K	-132.1K	-85.7K
Net VEX	-912	-1.4K	-645	-1.4K	-809
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	2.50	0.00	10.00	1.00	0.00
Total Volume	2.304	0	33	2	0
Total OI	379.609	374	384	374	384

Daily Data (23 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
2025-10-01	$58.50	$65.00	49.2%	14.1%	23.4%	33.3%	0.0%	-17.7%	-24.9%	-923	-132.1K	-1.4K	1.00	120.67	1	1	84	290
2025-10-02	$57.82	$65.00	50.7%	14.5%	22.5%	34.9%	0.0%	-14.7%	-23.4%	7.5K	-98.1K	-860	0.00	127.01	0	1	85	291
2025-10-03	$59.16	$65.00	52.6%	15.1%	24.1%	36.9%	0.0%	-19.2%	-23.6%	7.8K	-169.4K	-945	0.00	126.45	1	0	85	292
2025-10-06	$58.91	$60.00	58.1%	10.5%	24.1%	42.9%	0.0%	-5.7%	-8.0%	7.9K	-146.2K	-892	0.00	116.08	0	0	86	292
2025-10-07	$58.20	$60.00	60.9%	8.9%	23.4%	45.9%	0.0%	-9.1%	-10.8%	9.0K	-85.1K	-766	0.00	118.95	0	0	86	292
2025-10-08	$58.08	$60.00	63.4%	9.4%	23.3%	48.6%	0.0%	-30.3%	-4.4%	-895	-127.2K	-1.3K	0.00	119.12	0	0	86	292
2025-10-09	$56.80	$60.00	59.6%	10.6%	24.4%	44.5%	40.4%	2.9%	-6.6%	-1.1K	-93.8K	-1.3K	0.00	119.09	0	2	86	292
2025-10-10	$55.69	$60.00	65.2%	10.4%	25.1%	50.6%	0.0%	-2.4%	-5.6%	5.2K	-78.4K	-866	0.00	118.27	0	0	86	292
2025-10-13	$56.36	$60.00	82.4%	10.2%	24.8%	69.1%	31.8%	2.6%	-3.1%	3.2K	-114.0K	-847	0.00	118.22	0	4	86	292
2025-10-14	$58.45	$60.00	115.8%	9.4%	28.2%	100.0%	0.0%	-11.3%	-7.5%	8.8K	-118.6K	-795	0.00	119.13	0	0	86	294
2025-10-15	$57.59	$60.00	33.1%	9.5%	27.0%	15.1%	0.0%	-21.4%	-18.1%	9.2K	-45.3K	-645	0.00	118.59	0	0	86	294
2025-10-16	$54.84	$60.00	38.9%	11.2%	28.0%	21.1%	30.9%	-0.0%	-10.1%	6.5K	-22.1K	-690	0.00	111.25	0	1	86	294
2025-10-17	$55.73	$60.00	33.0%	9.5%	28.9%	15.1%	0.0%	-16.9%	-25.8%	5.4K	-37.2K	-682	0.00	117.50	0	0	86	295
2025-10-20	$56.33	$60.00	37.3%	10.7%	29.0%	19.4%	41.9%	10.4%	-4.3%	3.5K	-126.5K	-787	10.00	118.78	3	30	86	290
2025-10-21	$56.20	$60.00	27.5%	7.9%	28.8%	9.4%	0.0%	3.0%	-5.5%	-794	-86.7K	-1.3K	0.00	117.44	0	0	88	291
2025-10-22	$56.06	$60.00	29.4%	8.4%	28.8%	11.4%	55.8%	-5.6%	-4.5%	6.9K	-109.3K	-903	1.50	116.68	2	3	88	290
2025-10-23	$56.41	$60.00	29.7%	8.5%	28.9%	11.7%	45.4%	-10.3%	-7.3%	9.3K	-98.7K	-901	0.00	117.85	0	1	90	293
2025-10-24	$57.55	$60.00	31.1%	8.9%	29.9%	13.1%	28.0%	-12.7%	4.8%	12.4K	-139.3K	-916	0.00	116.12	2	0	90	293
2025-10-27	$57.03	$60.00	33.5%	9.6%	29.9%	15.6%	0.0%	-3.6%	-8.8%	11.7K	-106.3K	-852	0.00	119.85	0	0	90	293
2025-10-28	$57.05	$60.00	32.0%	9.2%	29.8%	14.0%	0.0%	-15.0%	-6.3%	10.2K	-120.0K	-858	0.00	118.68	0	0	90	293
2025-10-29	$55.42	$60.00	35.8%	10.3%	31.3%	18.0%	0.0%	-5.5%	-15.3%	7.3K	-81.5K	-811	0.00	117.02	0	0	90	293
2025-10-30	$55.73	$60.00	35.5%	10.2%	31.3%	17.6%	29.3%	6.6%	-16.3%	8.6K	-72.7K	-763	0.00	114.18	0	1	90	293
2025-10-31	$55.50	$60.00	37.8%	10.8%	29.9%	20.0%	0.0%	28.7%	-24.1%	6.5K	-85.7K	-809	0.00	119.47	0	0	90	294