TDC Options History — September 2021

In September 2021, TDC traded between $50.26 and $57.39. ATM implied volatility averaged 41.4%, placing in the 19.3% IV rank vs the trailing year. The 30-day expected move averaged 11.8%. IV traded below realized volatility by 2.7% (HV 20d: 44.2%). Max pain ranged from $47.50 to $52.50. Net GEX was positive for 17 of 21 trading days. Term structure was in contango for 20 of 21 days. Put/call ratio averaged 0.77.

Notable Days

  • 2021-09-10: Highest Volume — 9,886 contracts
  • 2021-09-07: Largest IV spike — 12.5% change
  • 2021-09-07: Highest IV Rank — 27.0%
  • 2021-09-20: Largest Expected Move — 12.8%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$54.05$50.26$57.39$54.69$57.39
Max Pain$50.36$47.50$52.50$50.00$52.50
ATM IV41.4%37.3%49.1%41.9%39.5%
Expected Move11.8%10.7%12.8%12.0%11.3%
HV 20d44.2%32.2%49.7%37.4%48.7%
HV 60d41.1%37.5%43.8%37.5%42.0%
IV Rank19.3%15.1%27.0%19.7%17.3%
IV Percentile24.7%4.8%57.1%27.8%15.5%
Term Structure5.2%-0.4%8.9%-0.4%8.1%
VWIV41.4%38.0%44.7%42.3%39.5%
Skew 25d1.5%0.0%2.8%0.5%2.8%
Skew 10d3.5%-0.5%7.2%0.3%4.2%
Call IV 25d41.0%37.0%44.2%43.3%38.3%
Put IV 25d42.6%38.9%46.0%43.9%41.1%
Bid-Ask Spread %64.0552.9772.6361.4671.98
Gamma HHI0.320.110.600.530.28
Net GEX1.3M-1.0M3.1M2.5M1.8M
Net DEX-56.9M-106.4M-12.8M-77.5M-82.8M
Net VEX-279.4K-334.3K-239.1K-292.6K-334.3K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.770.062.670.250.74
Total Volume2,527.9527429,8862,2831,756
Total OI46,780.1932,05156,71545,37747,097

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2021-09-01$54.69$50.0041.9%12.0%37.4%19.7%42.3%0.5%-0.4%2.5M-77.5M-292.6K0.2561.46N/AN/A1,82246129,85815,519
2021-09-02$56.75$47.5044.7%12.2%39.0%22.5%43.3%0.2%1.8%2.7M-101.0M-302.2K0.5052.97N/AN/A2,0201,00531,62816,747
2021-09-03$57.25$47.5043.7%12.2%34.3%21.5%43.4%0.3%2.9%2.7M-106.4M-302.5K1.4258.62N/AN/A1,0511,49632,05317,147
2021-09-07$56.16$47.5049.1%12.3%35.7%27.0%42.8%0.8%2.7%3.1M-95.8M-296.1K0.5961.11N/AN/A49129232,74017,719
2021-09-08$55.69$47.5043.2%12.4%32.2%21.0%43.2%0.0%2.3%2.9M-87.3M-299.5K0.2055.51N/AN/A1,42429033,21318,938
2021-09-09$56.76$50.0042.6%12.2%32.7%20.4%42.6%0.0%2.8%3.0M-101.9M-289.3K0.7063.09N/AN/A2,2161,54833,43719,001
2021-09-10$51.23$50.0043.4%12.5%49.7%21.3%43.9%2.2%1.8%1.7M-29.3M-270.9K1.2259.54N/AN/A4,4595,42734,11419,134
2021-09-13$50.26$52.5041.5%11.9%46.7%19.3%41.7%2.8%3.2%692.9K-12.8M-246.9K0.3361.70N/AN/A84127534,78720,214
2021-09-14$50.35$52.5041.2%11.8%46.7%19.1%41.3%1.7%3.3%-189.1K-12.8M-246.2K0.3564.35N/AN/A1,35447434,14821,685
2021-09-15$51.24$52.5041.4%11.9%46.6%19.2%41.2%0.9%2.1%-568.3K-18.3M-243.8K0.6766.57N/AN/A44329934,26821,833
2021-09-16$51.27$52.5040.7%11.7%46.2%18.5%41.6%1.6%8.0%-429.9K-20.6M-243.8K2.6761.22N/AN/A5841,55734,59422,121
2021-09-17$50.46$52.5040.8%11.7%45.9%18.6%41.3%1.4%7.6%-1.0M-18.4M-239.1K1.5867.69N/AN/A41565434,62621,967
2021-09-20$52.73$50.0044.5%12.8%47.8%22.4%44.7%2.2%6.2%416.2K-35.8M-250.9K0.2267.83N/AN/A2,08246717,86814,183
2021-09-21$52.18$50.0040.5%11.6%47.9%18.3%41.3%2.3%8.1%425.7K-33.5M-247.0K0.0669.63N/AN/A4,50128418,01814,323
2021-09-22$53.06$52.5039.5%11.3%48.0%17.3%40.2%2.6%7.7%633.8K-38.5M-257.1K0.7269.40N/AN/A77756319,06814,506
2021-09-23$54.08$50.0037.3%10.7%48.4%15.1%38.0%2.8%8.9%1.1M-51.3M-277.9K0.1259.42N/AN/A2,11025122,86014,913
2021-09-24$55.70$50.0037.8%10.8%48.9%15.6%38.4%1.9%8.2%1.3M-60.6M-282.7K0.1270.41N/AN/A3,21338323,26315,330
2021-09-27$55.69$50.0037.5%10.8%48.2%15.3%38.4%2.3%8.3%1.5M-64.4M-296.0K0.3960.95N/AN/A1,41555225,18115,526
2021-09-28$55.36$50.0040.6%11.6%48.1%18.4%41.0%0.5%8.1%1.8M-67.8M-318.9K2.3872.63N/AN/A8572,03627,88815,709
2021-09-29$56.73$50.0038.7%11.1%48.6%16.5%39.7%2.1%7.8%2.1M-78.4M-329.6K0.9568.95N/AN/A48345928,97916,181
2021-09-30$57.39$52.5039.5%11.3%48.7%17.3%39.5%2.8%8.1%1.8M-82.8M-334.3K0.7471.98N/AN/A1,00974729,23117,866