BDN Options History — September 2021

In September 2021, BDN traded between $13.18 and $14.07. ATM implied volatility averaged 40.7%, placing in the 46.1% IV rank vs the trailing year. The 30-day expected move averaged 11.4%. IV traded above realized volatility by 20.5% (HV 20d: 20.1%). Max pain ranged from $12.50 to $15.00. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 6 of 21 days. Put/call ratio averaged 1.21.

Notable Days

  • 2021-09-30: Highest Volume — 239 contracts
  • 2021-09-24: Largest IV spike — 93.8% change
  • 2021-09-30: Highest IV Rank — 72.2%
  • 2021-09-30: Largest Expected Move — 16.0%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$13.60$13.18$14.07$14.03$13.53
Max Pain$12.62$12.50$15.00$15.00$12.50
ATM IV40.7%24.7%56.0%32.4%56.0%
Expected Move11.4%6.7%16.0%9.3%16.0%
HV 20d20.1%17.3%22.6%18.9%19.4%
HV 60d25.2%24.4%26.2%25.0%24.4%
IV Rank46.1%21.7%72.2%27.1%72.2%
IV Percentile67.0%15.1%97.2%46.8%97.2%
Term Structure-16.5%-64.8%45.6%10.3%-64.2%
VWIV30.6%14.9%45.9%27.8%32.8%
Skew 25d20.2%-17.9%173.3%10.3%-17.9%
Skew 10d18.9%-27.7%205.7%-0.2%-17.8%
Call IV 25d25.8%15.2%41.8%20.7%41.8%
Put IV 25d46.0%24.0%191.6%31.0%24.0%
Bid-Ask Spread %80.5428.27113.7731.2062.40
Gamma HHI0.850.720.930.860.84
Net GEX113.7K54.3K168.1K145.6K108.9K
Net DEX-746.4K-1.2M-168.6K-881.7K-777.3K
Net VEX-4.2K-6.3K-1.4K-5.3K-3.5K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.210.0011.000.000.00
Total Volume25.42902391239
Total OI4,502.5244,4844,5934,5024,593

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2021-09-01$14.03$15.0032.4%9.3%18.9%27.1%0.0%10.3%10.3%145.6K-881.7K-5.3K0.0031.20104,084418
2021-09-02$14.07$12.5033.7%6.7%18.3%28.8%0.0%3.4%0.2%160.9K-1.1M-6.3K0.0098.02004,084419
2021-09-03$13.98$12.5029.4%7.8%17.3%23.3%27.8%2.9%-5.3%139.5K-929.7K-5.5K1.0033.32224,083419
2021-09-07$13.93$12.5037.1%7.9%17.3%33.2%0.0%3.8%0.2%156.3K-1.0M-5.6K0.5071.08214,083419
2021-09-08$14.03$12.5024.7%7.1%17.3%21.7%24.8%4.0%1.1%168.1K-935.7K-5.0K0.5086.49634,083420
2021-09-09$13.84$12.5026.7%7.7%17.3%24.9%0.0%0.5%0.7%143.8K-955.2K-5.4K0.0099.72074,083419
2021-09-10$13.30$12.5031.1%8.9%22.1%32.0%32.4%-2.9%-4.0%91.3K-512.3K-4.0K2.0086.91124,088422
2021-09-13$13.51$12.5038.4%11.0%22.4%43.9%14.9%24.0%-15.7%128.6K-1.2M-5.9K0.3787.3227104,088422
2021-09-14$13.36$12.5039.2%11.2%22.6%45.1%0.0%5.4%-25.1%83.4K-405.7K-3.3K2.00109.20244,088427
2021-09-15$13.41$12.5046.7%13.4%22.6%57.2%0.0%17.0%-21.6%111.8K-812.0K-4.7K0.00109.072004,090417
2021-09-16$13.38$12.5045.7%13.1%22.1%55.7%0.0%4.8%45.6%79.8K-413.0K-3.2K0.1089.772124,092421
2021-09-17$13.27$12.5049.3%14.1%22.1%61.4%0.0%13.6%-33.3%107.5K-754.1K-4.4K0.00104.16024,072421
2021-09-20$13.18$12.5047.2%13.5%21.7%58.0%45.0%24.4%-11.0%101.6K-820.1K-4.5K11.00100.841114,073411
2021-09-21$13.23$12.5048.7%14.0%20.2%60.4%0.0%20.2%-24.8%111.1K-781.3K-4.4K0.0297.104114,073413
2021-09-22$13.43$12.5046.5%13.3%20.7%56.8%0.0%4.4%-34.9%60.0K-251.5K-2.2K0.00105.44004,073414
2021-09-23$13.57$12.5028.2%8.1%20.8%27.3%0.0%126.2%-5.8%63.1K-215.9K-1.7K0.0028.27004,072414
2021-09-24$13.59$12.5054.6%15.7%20.9%70.0%45.9%30.3%-17.6%140.9K-1.1M-4.6K0.5038.72214,072414
2021-09-27$13.65$12.5031.2%8.9%20.1%32.1%0.0%173.3%-25.8%54.3K-168.6K-1.4K0.0031.01204,069419
2021-09-28$13.62$12.5051.7%14.8%19.4%65.3%28.9%-11.7%-50.9%113.7K-823.8K-3.6K0.09107.46110104,071419
2021-09-29$13.68$12.5055.2%15.8%19.4%70.9%22.8%-12.8%-64.8%118.1K-777.3K-3.4K0.00113.77014,072419
2021-09-30$13.53$12.5056.0%16.0%19.4%72.2%32.8%-17.9%-64.2%108.9K-777.3K-3.5K0.0062.4023904,174419