TDC Options History — September 2025

In September 2025, TDC traded between $20.47 and $22.44. ATM implied volatility averaged 33.9%, placing in the 12.2% IV rank vs the trailing year. The 30-day expected move averaged 9.5%. IV traded above realized volatility by 6.2% (HV 20d: 27.6%). Max pain ranged from $20.00 to $20.00. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 19 of 21 days. Put/call ratio averaged 0.65.

Notable Days

  • 2025-09-08: Highest Volume — 551 contracts
  • 2025-09-24: Largest IV spike — 39.1% change
  • 2025-09-08: Highest IV Rank — 19.0%
  • 2025-09-30: Largest Expected Move — 10.8%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$21.54$20.47$22.44$20.69$21.52
Max Pain$20.00$20.00$20.00$20.00$20.00
ATM IV33.9%23.3%40.0%35.4%37.8%
Expected Move9.5%6.7%10.8%10.1%10.8%
HV 20d27.6%21.4%45.6%45.6%23.6%
HV 60d36.1%34.9%37.1%36.8%34.9%
IV Rank12.2%0.0%19.0%12.8%18.7%
IV Percentile44.6%0.0%63.9%56.3%60.7%
Term Structure8.9%-1.6%17.7%-0.7%12.3%
VWIV36.0%27.1%40.5%35.8%39.6%
Skew 25d1.0%-3.6%9.6%-0.8%-0.2%
Skew 10d1.8%-10.5%20.2%-2.5%10.2%
Call IV 25d35.4%23.2%40.7%35.7%40.7%
Put IV 25d36.4%31.7%40.5%34.9%40.5%
Bid-Ask Spread %68.9259.3186.1175.1166.39
Gamma HHI0.300.210.430.220.32
Net GEX94.0K34.9K196.9K45.3K103.5K
Net DEX-1.7M-2.5M-720.5K-919.6K-1.6M
Net VEX-11.4K-13.0K-10.4K-10.9K-11.2K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.650.013.281.132.58
Total Volume156.6671455164215
Total OI4,840.4764,3845,5004,3844,941

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2025-09-02$20.69$20.0035.4%10.1%45.6%12.8%35.8%-0.8%-0.7%45.3K-919.6K-10.9K1.1375.11N/AN/A30343,3381,046
2025-09-03$20.68$20.0035.4%10.1%45.5%12.8%34.2%0.6%-1.6%44.4K-917.0K-10.7K1.9771.44N/AN/A33653,3361,049
2025-09-04$20.47$20.0035.0%9.5%34.0%12.3%38.4%3.3%6.7%34.9K-720.5K-10.4K1.1278.83N/AN/A25283,3371,072
2025-09-05$20.85$20.0035.4%9.4%29.4%12.8%36.8%-0.1%7.3%44.9K-951.0K-10.4K3.2865.07N/AN/A25823,3451,078
2025-09-08$21.27$20.0040.0%9.5%29.5%19.0%38.1%0.5%6.1%52.5K-1.3M-10.8K0.2075.58N/AN/A460913,3471,071
2025-09-09$21.09$20.0038.1%10.5%29.3%16.5%38.3%1.1%5.0%64.5K-1.3M-11.0K0.0464.18N/AN/A10043,7761,087
2025-09-10$20.96$20.0035.4%10.1%28.9%12.8%37.3%-0.0%5.9%61.2K-1.2M-10.9K0.0363.78N/AN/A12043,8561,091
2025-09-11$21.45$20.0034.9%10.0%26.1%12.2%35.1%-0.5%5.2%86.2K-1.7M-11.5K0.1062.26N/AN/A8693,8981,093
2025-09-12$21.21$20.0036.2%10.4%25.8%13.9%35.0%0.8%5.8%79.3K-1.5M-11.2K0.1770.31N/AN/A1223,9181,093
2025-09-15$21.50$20.0036.0%10.3%26.2%13.7%39.0%-0.3%5.2%86.7K-1.7M-11.2K0.0169.62N/AN/A9913,9261,091
2025-09-16$21.47$20.0036.0%10.3%26.1%13.6%36.2%-1.2%4.2%95.7K-1.7M-10.9K0.0259.87N/AN/A13233,9711,091
2025-09-17$21.59$20.0023.3%6.7%26.2%0.0%27.1%1.8%12.4%125.2K-1.9M-10.7K0.3086.11N/AN/A236714,0711,094
2025-09-18$22.15$20.0025.0%7.2%24.8%2.1%34.0%-3.6%12.2%196.9K-2.5M-12.0K0.0271.94N/AN/A33064,2481,147
2025-09-19$21.96$20.0031.0%8.9%25.1%9.9%32.0%3.8%13.7%98.2K-2.0M-11.0K0.1477.81N/AN/A152224,3511,149
2025-09-22$22.44$20.0027.1%7.8%24.3%4.9%34.2%-2.8%13.7%113.4K-2.1M-11.5K0.0964.07N/AN/A468413,615791
2025-09-23$22.37$20.0025.9%7.4%23.0%3.3%31.2%9.6%17.7%135.5K-2.5M-13.0K0.2171.83N/AN/A76164,018803
2025-09-24$22.43$20.0036.1%10.3%21.4%16.5%40.5%3.7%14.1%135.2K-2.5M-13.0K0.5959.31N/AN/A34204,040816
2025-09-25$21.95$20.0036.0%10.3%21.7%16.4%38.5%2.3%13.2%117.3K-2.0M-12.3K1.3164.55N/AN/A26344,029835
2025-09-26$22.17$20.0035.2%10.1%21.9%15.4%35.6%0.9%14.1%128.9K-2.2M-12.3K0.1362.29N/AN/A2334,047842
2025-09-29$22.07$20.0035.8%10.3%21.7%16.1%38.3%1.7%14.1%124.8K-2.1M-11.8K0.1667.05N/AN/A62104,060843
2025-09-30$21.52$20.0037.8%10.8%23.6%18.7%39.6%-0.2%12.3%103.5K-1.6M-11.2K2.5866.39N/AN/A601554,091850