BKLN Options History — April 2025

In April 2025, BKLN traded between $20.13 and $20.73. ATM implied volatility averaged 19.1%, placing in the 33.0% IV rank vs the trailing year. The 30-day expected move averaged 4.6%. IV traded above realized volatility by 10.1% (HV 20d: 9.0%). Max pain ranged from $21.00 to $23.00. Net GEX was positive for 0 of 21 trading days. Term structure was in contango for 17 of 21 days. Put/call ratio averaged 142.81.

Notable Days

  • 2025-04-03: Highest Volume — 119,933 contracts
  • 2025-04-04: Largest IV spike — 496.5% change
  • 2025-04-04: Highest IV Rank — 68.2%
  • 2025-04-22: Largest Expected Move — 8.5%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$20.56$20.13$20.73$20.70$20.71
Max Pain$21.81$21.00$23.00$21.00$21.00
ATM IV19.1%5.3%37.4%34.7%10.8%
Expected Move4.6%1.5%8.5%1.5%3.1%
HV 20d9.0%2.0%11.3%2.1%11.3%
HV 60d5.5%2.1%6.7%2.1%6.7%
IV Rank33.0%6.4%68.2%62.9%17.1%
IV Percentile81.0%40.1%99.6%99.6%69.0%
Term Structure3.3%-18.5%17.5%0.5%1.2%
VWIV17.4%7.4%33.3%12.2%17.3%
Skew 25d4.9%-1.8%12.8%2.0%0.1%
Skew 10d6.4%-15.5%73.9%3.0%-13.7%
Call IV 25d11.6%3.8%25.6%8.6%10.7%
Put IV 25d16.5%6.6%25.2%10.7%10.8%
Bid-Ask Spread %126.57112.69136.33134.34122.69
Gamma HHI0.720.510.970.520.94
Net GEX-27.4M-46.2M-7.5M-14.4M-17.0M
Net DEX107.6M16.5M232.7M72.1M36.9M
Net VEX-330.9K-704.0K-73.9K-191.7K-164.7K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio142.811.27752.00655.0054.00
Total Volume7,611.619116119,933656165
Total OI304,306.905158,050396,393158,050248,206

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2025-04-01$20.70$21.0034.7%1.5%2.1%62.9%0.0%2.0%0.5%-14.4M72.1M-191.7K655.00134.3416551,637156,413
2025-04-02$20.73$21.006.7%1.7%2.0%9.1%12.2%2.6%1.0%-12.3M32.9M-73.9K20.75123.6181661,638162,746
2025-04-03$20.54$22.006.3%2.1%3.7%8.3%13.6%12.8%17.5%-15.4M42.4M-88.2K532.04124.31225119,7081,641162,753
2025-04-04$20.38$22.0037.4%7.3%4.4%68.2%20.8%-0.4%-9.1%-38.0M222.1M-704.0K122.79135.64394,7891,814382,398
2025-04-07$20.13$21.0037.2%6.9%5.9%67.8%21.8%0.1%-14.3%-44.2M232.7M-655.4K40.10130.551074,2911,850386,659
2025-04-08$20.18$21.0028.5%5.0%6.1%51.1%17.5%7.4%-5.5%-46.2M203.3M-589.5K752.00130.4286,0161,951387,013
2025-04-09$20.62$21.0024.3%7.0%10.3%43.1%33.3%-1.8%13.1%-30.3M196.6M-617.3K4.40136.331466431,956388,405
2025-04-10$20.45$22.0029.2%8.4%10.6%52.4%18.1%7.6%-18.5%-44.2M178.1M-520.9K121.35129.90495,9462,202387,772
2025-04-11$20.51$23.0015.0%4.3%10.7%25.1%16.5%5.6%5.9%-42.0M177.8M-532.5K4.54133.27261182,250393,971
2025-04-14$20.61$23.0020.2%5.8%10.9%35.1%19.7%8.0%10.9%-33.9M141.3M-389.8K68.00126.9353402,256393,976
2025-04-15$20.59$23.0017.8%5.1%10.9%30.5%0.0%9.1%8.4%-36.5M116.1M-310.7K0.00116.9507,6212,256394,033
2025-04-16$20.54$23.0018.5%5.3%10.8%31.9%0.0%4.3%9.7%-41.4M173.4M-380.1K91.06117.15625,6462,256394,137
2025-04-17$20.57$23.0022.7%6.5%10.9%39.9%0.0%8.4%9.7%-24.2M83.2M-282.6K1.27112.6951652,276392,446
2025-04-21$20.46$23.0013.3%3.8%11.0%21.9%15.8%6.7%7.6%-26.9M75.2M-261.9K135.57127.8579491,351245,883
2025-04-22$20.51$22.0029.7%8.5%11.0%53.3%12.3%10.9%11.3%-25.6M68.7M-282.6K8.86123.54282481,352246,412
2025-04-23$20.63$22.005.6%1.6%11.2%7.1%7.4%-1.4%2.2%-19.3M41.0M-185.4K0.00124.1003771,372246,477
2025-04-24$20.70$21.0019.7%5.6%11.3%34.1%17.3%11.2%0.1%-21.1M66.5M-262.4K16.70127.07101671,372245,961
2025-04-25$20.70$21.007.5%2.2%11.3%10.7%0.0%1.3%4.4%-15.1M29.3M-152.7K23.50128.18163761,373246,079
2025-04-28$20.71$21.005.3%1.5%11.3%6.4%0.0%5.1%1.4%-7.5M16.5M-88.0K48.85121.07136351,373246,371
2025-04-29$20.73$21.0010.6%3.0%11.3%16.6%0.0%3.7%12.7%-19.2M52.6M-214.5K12.56131.3991131,386246,772
2025-04-30$20.71$21.0010.8%3.1%11.3%17.1%0.0%0.1%1.2%-17.0M36.9M-164.7K54.00122.6931621,387246,819