BKLN Options History — August 2025

In August 2025, BKLN traded between $20.84 and $20.96. ATM implied volatility averaged 9.2%, placing in the 20.5% IV rank vs the trailing year. The 30-day expected move averaged 1.5%. IV traded above realized volatility by 7.0% (HV 20d: 2.3%). Max pain ranged from $20.00 to $23.00. Net GEX was positive for 0 of 21 trading days. Term structure was in contango for 20 of 21 days. Put/call ratio averaged 28.92.

Notable Days

  • 2025-08-28: Highest Volume — 3,000 contracts
  • 2025-08-04: Largest IV spike — 250.8% change
  • 2025-08-12: Highest IV Rank — 77.9%
  • 2025-08-29: Largest Expected Move — 3.0%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$20.91$20.84$20.96$20.88$20.91
Max Pain$21.81$20.00$23.00$21.00$20.00
ATM IV9.2%3.1%29.5%4.4%10.5%
Expected Move1.5%0.9%3.0%1.3%3.0%
HV 20d2.3%2.2%2.3%2.3%2.2%
HV 60d2.5%2.1%2.9%2.9%2.3%
IV Rank20.5%3.3%77.9%6.9%23.8%
IV Percentile40.5%2.8%96.0%12.3%59.1%
Term Structure1.4%-1.7%1.9%-1.7%1.9%
VWIV14.6%9.8%22.2%14.3%13.4%
Skew 25d17.3%-13.4%50.4%-13.4%9.7%
Skew 10d18.7%-52.5%69.9%-52.5%6.2%
Call IV 25d9.6%4.2%26.8%26.8%7.0%
Put IV 25d26.9%10.3%60.2%13.5%16.7%
Bid-Ask Spread %112.77108.13120.21120.21113.38
Gamma HHI0.620.460.790.570.55
Net GEX-2.0M-2.8M-1.1M-1.6M-2.8M
Net DEX12.5M9.9M14.7M14.5M9.9M
Net VEX-50.5K-73.1K-23.7K-73.1K-23.7K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio28.922.8878.602.885.27
Total Volume320.667153,0002211,314
Total OI21,468.61921,25021,60621,37121,534

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2025-08-01$20.88$21.004.4%1.3%2.3%6.9%0.0%-13.4%-1.7%-1.6M14.5M-73.1K2.88120.21571641,23320,138
2025-08-04$20.91$22.0015.4%1.8%2.3%37.9%0.0%10.2%1.8%-2.2M11.9M-47.8K0.00110.660511,28320,156
2025-08-05$20.93$22.006.2%1.1%2.3%12.1%0.0%48.5%1.8%-2.8M10.6M-35.5K0.00116.1002551,28320,148
2025-08-06$20.95$22.009.5%1.9%2.3%21.2%14.3%4.9%1.8%-2.7M12.0M-44.0K78.60113.8253931,28320,220
2025-08-07$20.95$23.0017.1%1.9%2.3%42.7%22.2%4.4%1.1%-1.4M13.9M-53.2K5.27116.68221161,28320,224
2025-08-08$20.95$23.0019.4%1.3%2.3%49.1%9.8%44.3%0.4%-1.8M12.9M-55.4K0.00111.010431,28320,216
2025-08-11$20.94$23.0022.7%2.0%2.2%58.5%0.0%5.2%1.1%-1.5M14.7M-66.3K0.00114.0001741,28320,238
2025-08-12$20.95$23.0029.5%1.0%2.3%77.9%0.0%47.3%1.8%-1.4M14.4M-64.1K0.00112.7902971,28320,237
2025-08-13$20.96$23.005.6%1.6%2.3%10.3%15.4%46.8%1.8%-1.7M13.0M-55.1K0.00111.3101361,28320,304
2025-08-14$20.95$23.003.8%1.1%2.3%5.1%0.0%49.8%1.8%-1.1M14.2M-56.2K0.00110.680211,28320,313
2025-08-15$20.95$23.003.8%1.1%2.3%5.2%16.9%50.4%1.8%-1.6M13.9M-64.9K0.00114.390401,28320,323
2025-08-18$20.84$23.005.9%1.7%2.3%11.3%10.3%5.0%1.9%-1.7M13.8M-64.1K0.00109.810151,21520,194
2025-08-19$20.85$21.004.0%1.1%2.3%5.7%0.0%4.8%0.4%-1.9M11.8M-49.2K0.00109.860951,21520,035
2025-08-20$20.84$21.004.0%1.2%2.2%5.8%0.0%4.6%1.9%-1.9M12.4M-49.7K0.00112.560401,21520,123
2025-08-21$20.84$21.005.7%1.6%2.2%10.6%0.0%4.7%1.1%-2.2M11.2M-41.5K0.00111.210811,21520,163
2025-08-22$20.88$21.003.1%0.9%2.3%3.3%0.0%9.8%1.9%-1.9M12.1M-49.1K0.00111.7301281,21520,211
2025-08-25$20.88$21.003.9%1.1%2.3%5.4%0.0%4.7%1.9%-2.6M10.6M-37.4K0.00108.130611,21520,235
2025-08-26$20.89$21.004.0%1.1%2.3%5.7%0.0%5.6%1.9%-2.1M12.0M-48.8K0.00112.580501,21520,256
2025-08-27$20.89$21.005.3%1.5%2.3%8.8%13.4%4.8%1.9%-2.3M10.8M-36.7K0.00111.9301761,21520,256
2025-08-28$20.89$20.0010.3%2.9%2.3%23.1%0.0%10.3%1.9%-2.1M11.8M-45.7K0.00115.2903,0001,21520,319
2025-08-29$20.91$20.0010.5%3.0%2.2%23.8%0.0%9.7%1.9%-2.8M9.9M-23.7K0.00113.3801,3141,21520,319