CALX Options History — September 2018

In September 2018, CALX traded between $7.90 and $8.93. ATM implied volatility averaged 33.3%, placing in the 20.3% IV rank vs the trailing year. The 30-day expected move averaged 9.7%. IV traded above realized volatility by 4.0% (HV 20d: 29.3%). Max pain ranged from $6.00 to $6.00. Net GEX was positive for 19 of 19 trading days. Term structure was in contango for 18 of 19 days. Put/call ratio averaged 0.36.

Notable Days

  • 2018-09-07: Highest Volume — 792 contracts
  • 2018-09-12: Largest IV spike — 81.4% change
  • 2018-09-18: Highest IV Rank — 28.5%
  • 2018-09-18: Largest Expected Move — 11.3%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$8.24$7.90$8.93$7.90$8.15
Max Pain$6.00$6.00$6.00$6.00$6.00
ATM IV33.3%20.4%39.4%30.0%33.2%
Expected Move9.7%8.4%11.3%8.6%9.5%
HV 20d29.3%23.3%33.8%30.1%32.1%
HV 60d26.6%23.9%28.4%23.9%28.2%
IV Rank20.3%3.1%28.5%15.9%20.2%
IV Percentile23.1%1.6%40.5%12.3%21.4%
Term Structure6.2%-0.9%13.5%2.4%10.9%
VWIV31.5%24.8%38.4%30.0%27.6%
Skew 25d0.7%-6.7%11.3%-1.5%3.6%
Skew 10d0.1%-12.9%14.0%-1.3%3.0%
Call IV 25d29.9%21.5%37.5%28.1%26.6%
Put IV 25d30.6%25.1%35.5%26.6%30.2%
Bid-Ask Spread %20.4912.7628.8219.2020.90
Gamma HHI0.420.300.480.480.43
Net GEX46.1K31.1K58.6K58.6K44.5K
Net DEX-2.8M-3.4M-2.5M-2.5M-2.7M
Net VEX-3.2K-4.1K-2.4K-4.0K-2.8K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.360.160.640.160.63
Total Volume457.053262792773262
Total OI4,621.5794,4894,7244,7244,530

Daily Data (19 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2018-09-04$7.90$6.0030.0%8.6%30.1%15.9%30.0%-1.5%2.4%58.6K-2.5M-4.0K0.1619.206671064,447277
2018-09-05$7.95$6.0033.6%9.6%29.8%20.7%33.5%0.4%-0.9%57.4K-2.6M-4.1K0.1612.766481064,447277
2018-09-06$7.98$6.0032.8%9.2%25.0%19.7%24.8%3.2%4.6%56.7K-2.6M-3.9K0.1612.986471064,444277
2018-09-07$8.18$6.0029.8%8.4%24.5%15.7%25.5%4.9%7.2%54.0K-2.9M-3.3K0.1618.046851074,445277
2018-09-10$8.25$6.0028.8%9.2%24.4%14.3%28.8%-3.6%5.5%50.1K-2.9M-3.4K0.6426.231681074,415278
2018-09-11$8.48$6.0020.4%8.7%25.2%3.1%31.2%-0.2%6.3%48.1K-3.0M-3.4K0.5615.53172974,398278
2018-09-12$8.80$6.0037.0%10.6%26.6%25.3%37.3%8.3%1.6%35.6K-3.3M-2.8K0.1922.78483924,322273
2018-09-13$8.93$6.0031.9%9.2%23.3%18.5%31.1%11.3%5.0%31.1K-3.4M-2.4K0.3123.04314964,303273
2018-09-14$8.43$6.0029.7%8.5%32.9%15.5%28.7%-1.4%10.9%39.9K-3.0M-2.9K0.2928.02334964,329277
2018-09-17$8.35$6.0038.5%11.0%33.5%27.3%38.4%-1.9%4.3%42.0K-2.9M-3.1K0.2517.92382964,321277
2018-09-18$8.32$6.0039.4%11.3%33.8%28.5%37.1%-0.1%0.9%41.4K-2.8M-3.1K0.2523.81380964,322277
2018-09-19$8.25$6.0034.9%10.0%30.7%22.4%35.7%-5.9%5.8%46.3K-2.8M-3.1K0.2720.91352964,342277
2018-09-20$8.20$6.0037.4%10.7%29.9%25.7%35.6%-6.1%3.1%45.6K-2.7M-3.3K0.3119.483411064,392277
2018-09-21$8.13$6.0037.4%10.7%30.3%25.8%31.8%-6.7%2.3%45.6K-2.7M-3.4K0.3815.952791064,416287
2018-09-24$8.10$6.0034.5%9.9%30.4%21.9%36.2%-5.9%13.3%46.0K-2.6M-3.2K0.4823.372121014,211278
2018-09-25$8.20$6.0034.8%10.0%30.5%22.3%26.8%7.4%12.1%42.9K-2.7M-3.0K0.5423.421871014,226278
2018-09-26$8.00$6.0032.2%9.2%32.1%18.8%28.7%4.6%13.5%43.6K-2.6M-3.0K0.5328.821891014,253278
2018-09-27$8.05$6.0036.3%10.4%32.1%24.3%28.6%2.5%8.7%46.1K-2.6M-3.1K0.6116.251651014,253278
2018-09-28$8.15$6.0033.2%9.5%32.1%20.2%27.6%3.6%10.9%44.5K-2.7M-2.8K0.6320.901611014,252278