CYD Options History — May 2010

In May 2010, CYD traded between $14.32 and $21.12. ATM implied volatility averaged 81.6%, placing in the 66.7% IV rank vs the trailing year. The 30-day expected move averaged 22.5%. IV traded below realized volatility by 1.0% (HV 20d: 82.6%). Max pain ranged from $15.00 to $17.50. Net GEX was positive for 20 of 20 trading days. Term structure was in contango for 8 of 20 days. Put/call ratio averaged 0.24.

Notable Days

2010-05-19: Highest Volume — 3,256 contracts
2010-05-13: Largest IV drop — 19.8% change
2010-05-10: Highest IV Rank — 100.0%
2010-05-06: Largest Expected Move — 28.5%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$17.03	$14.32	$21.12	$21.12	$15.97
Max Pain	$17.00	$15.00	$17.50	$15.00	$17.50
ATM IV	81.6%	66.8%	104.7%	68.0%	66.8%
Expected Move	22.5%	19.2%	28.5%	19.5%	19.2%
HV 20d	82.6%	55.3%	91.9%	55.3%	91.4%
HV 60d	72.5%	62.4%	77.0%	62.4%	76.8%
IV Rank	66.7%	44.0%	100.0%	48.2%	44.0%
IV Percentile	91.7%	75.4%	100.0%	79.4%	75.4%
Term Structure	-4.9%	-26.0%	4.4%	-4.2%	3.9%
VWIV	77.5%	60.1%	97.2%	66.1%	60.1%
Skew 25d	6.6%	-2.2%	15.9%	7.4%	13.6%
Skew 10d	10.4%	-15.8%	31.6%	15.1%	29.9%
Call IV 25d	75.9%	54.3%	94.1%	65.5%	54.3%
Put IV 25d	82.5%	68.0%	105.0%	73.0%	68.0%
Bid-Ask Spread %	40.32	20.39	62.42	26.00	52.79
Gamma HHI	0.35	0.25	0.42	0.41	0.25
Net GEX	170.8K	61.1K	323.2K	264.3K	148.8K
Net DEX	-8.2M	-17.0M	-2.1M	-17.0M	-7.2M
Net VEX	-34.2K	-37.6K	-30.0K	-36.0K	-36.5K
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.24	0.02	0.67	0.05	0.67
Total Volume	1,478.35	271	3,256	372	271
Total OI	19,707.9	14,144	25,044	17,445	17,319

Daily Data (20 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
2010-05-03	$21.12	$15.00	68.0%	19.5%	55.3%	48.2%	66.1%	7.4%	-4.2%	264.3K	-17.0M	-36.0K	0.05	26.00	N/A	N/A	354	18	12,712	4,733
2010-05-04	$18.95	$15.00	78.1%	22.4%	68.4%	63.8%	82.9%	0.2%	-11.4%	202.8K	-11.3M	-36.2K	0.20	20.39	N/A	N/A	2,143	419	12,724	4,747
2010-05-05	$18.63	$15.00	85.8%	24.6%	68.5%	75.8%	83.5%	5.2%	-12.9%	213.8K	-11.2M	-37.1K	0.27	32.18	N/A	N/A	1,521	416	13,632	4,974
2010-05-06	$17.51	$15.00	99.4%	28.5%	72.1%	96.9%	97.2%	10.9%	-26.0%	170.9K	-8.6M	-36.8K	0.58	62.42	N/A	N/A	1,229	712	13,879	5,145
2010-05-07	$16.81	$17.50	100.4%	23.9%	72.8%	98.7%	83.7%	4.7%	-13.5%	148.6K	-6.9M	-36.3K	0.08	39.02	N/A	N/A	1,855	144	14,369	5,488
2010-05-10	$18.58	$17.50	104.7%	23.7%	81.6%	100.0%	82.0%	2.9%	-12.1%	237.3K	-12.4M	-37.5K	0.35	34.24	N/A	N/A	1,060	368	15,071	5,519
2010-05-11	$18.54	$17.50	92.3%	23.3%	81.6%	81.8%	79.1%	7.0%	-9.2%	264.8K	-12.9M	-37.6K	0.21	27.44	N/A	N/A	515	106	15,639	5,574
2010-05-12	$19.78	$17.50	88.8%	22.1%	81.3%	76.5%	78.1%	7.2%	-10.4%	323.2K	-16.9M	-37.2K	0.05	27.92	N/A	N/A	1,376	74	15,748	5,646
2010-05-13	$18.09	$17.50	71.2%	20.4%	86.7%	50.4%	70.1%	1.8%	-2.8%	274.0K	-10.9M	-34.4K	0.28	42.69	N/A	N/A	2,138	595	15,968	5,594
2010-05-14	$16.95	$17.50	72.0%	20.6%	86.6%	51.6%	71.7%	2.6%	-4.3%	184.0K	-6.9M	-34.1K	0.27	46.49	N/A	N/A	687	186	16,202	5,782
2010-05-17	$16.53	$17.50	74.2%	21.3%	86.9%	54.8%	75.9%	9.4%	-5.6%	155.4K	-5.4M	-31.2K	0.18	53.06	N/A	N/A	482	89	16,356	5,853
2010-05-18	$16.61	$17.50	70.5%	20.2%	86.3%	49.3%	71.6%	2.4%	0.6%	166.8K	-5.8M	-30.7K	0.23	49.08	N/A	N/A	1,335	301	16,533	5,878
2010-05-19	$15.60	$17.50	78.5%	22.5%	88.4%	61.3%	74.1%	10.2%	0.9%	96.5K	-3.2M	-30.0K	0.10	50.51	N/A	N/A	2,972	284	17,380	6,052
2010-05-20	$14.32	$17.50	90.3%	25.9%	86.9%	78.8%	89.9%	-2.2%	-3.7%	69.6K	-2.1M	-30.4K	0.36	38.72	N/A	N/A	1,498	540	18,274	5,950
2010-05-21	$15.25	$17.50	85.4%	24.5%	91.5%	71.4%	84.3%	8.7%	2.7%	146.6K	-5.2M	-33.0K	0.22	35.07	N/A	N/A	816	182	19,202	5,842
2010-05-24	$14.89	$17.50	80.2%	23.0%	91.5%	63.8%	79.9%	5.1%	4.4%	61.1K	-4.0M	-31.2K	0.03	34.43	N/A	N/A	922	31	10,541	3,603
2010-05-25	$15.10	$17.50	84.4%	24.2%	91.1%	70.0%	83.2%	15.9%	0.7%	75.5K	-4.1M	-31.6K	0.44	60.89	N/A	N/A	314	137	11,190	3,624
2010-05-26	$15.05	$17.50	70.7%	20.3%	91.0%	49.6%	71.5%	8.8%	3.1%	79.8K	-4.2M	-31.0K	0.02	40.03	N/A	N/A	2,235	42	11,276	3,666
2010-05-27	$16.25	$17.50	69.7%	20.0%	91.9%	48.2%	65.3%	10.0%	1.8%	131.9K	-7.0M	-36.2K	0.23	33.01	N/A	N/A	972	228	12,819	3,654
2010-05-28	$15.97	$17.50	66.8%	19.2%	91.4%	44.0%	60.1%	13.6%	3.9%	148.8K	-7.2M	-36.5K	0.67	52.79	N/A	N/A	162	109	13,577	3,742