Symbol:    
AT&T Inc 
Options Root:  Open Help    T  
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Current1 WK AGO1 MO AGO52 wk Hi/Date52 wk Low/Date
  HISTORICAL VOLATILITY Open Help
10 days22.22%15.55%15.56%50.78% - 31-Oct4.23% - 25-Jun
20 days22.23%20.29%13.13%38.68% - 31-Oct11.41% - 08-Jul
30 days20.29%19.05%13.34%34.65% - 04-Dec12.15% - 08-Oct
  IMPLIED VOLATILITY Open Help
IV Index call Open Help18.17%17.08%19.40%38.08% - 24-Dec13.96% - 16-Aug
IV Index put Open Help18.17%17.34%19.15%37.83% - 24-Dec13.30% - 20-Aug
IV Index mean Open Help18.17%17.21%19.27%37.95% - 24-Dec13.72% - 20-Aug
HISTORICAL 30-DAYS CORRELATION AGAINST S&P 500 Index (SPX)Open Help
30 days59.84%46.04%34.09%70.99% - 04-Jan-26.53% - 05-Sep
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Implied Vola (%) Open HelpCall Delta Open HelpOption Value Open HelpChange (%)Call
Bid/Ask Mean 
Open Help
Expiry Open HelpStrike Open HelpDaysPut
Bid/Ask
Mean 
Open Help
 Change (%)  Option Value Open HelpPut Delta Open HelpImplied Vola (%) Open Help
20.53%77.06% 1.19000.38
(46.91)
1.190Aug 30, 2019 34.0140.175-0.25
(-59.30)
0.1750-22.11%19.71%
18.68%65.96% 0.79500.29
(59.00)
0.795Aug 30, 2019 34.5140.295-0.34
(-53.91)
0.2950-34.10%18.60%
17.57%50.68% 0.48000.20
(68.42)
0.480Aug 30, 2019 35.0140.470-0.46
(-49.19)
0.4700-49.61%17.11%
16.41%33.52% 0.24500.10
(68.97)
0.245Aug 30, 2019 35.5140.750-0.52
(-40.71)
0.7500-66.92%16.45%
19.59%74.19% 1.27500.38
(41.67)
1.275Sep 06, 2019 34.0210.255-0.27
(-51.43)
0.2550-25.60%19.30%
18.49%63.91% 0.90500.30
(49.59)
0.905Sep 06, 2019 34.5210.380-0.36
(-48.30)
0.3800-36.01%18.08%
17.27%51.23% 0.58500.21
(56.00)
0.585Sep 06, 2019 35.0210.565-0.44
(-43.50)
0.5650-49.12%17.00%
16.29%36.96% 0.34000.12
(58.14)
0.340Sep 06, 2019 35.5210.830-0.49
(-36.88)
0.8300-63.63%16.27%
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