BSY Options History — November 2025

In November 2025, BSY traded between $40.18 and $50.48. ATM implied volatility averaged 36.8%, placing in the 45.4% IV rank vs the trailing year. The 30-day expected move averaged 10.5%. IV traded above realized volatility by 8.3% (HV 20d: 28.5%). Max pain ranged from $45.00 to $50.00. Net GEX was positive for 8 of 19 trading days. Term structure was in contango for 2 of 19 days. Put/call ratio averaged 1.54.

Notable Days

  • 2025-11-04: Highest Volume — 2,688 contracts
  • 2025-11-05: Largest IV drop — 27.6% change
  • 2025-11-04: Highest IV Rank — 74.6%
  • 2025-11-04: Largest Expected Move — 14.5%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$43.92$40.18$50.48$50.48$42.05
Max Pain$47.37$45.00$50.00$50.00$45.00
ATM IV36.8%32.5%50.4%49.5%36.2%
Expected Move10.5%9.2%14.5%14.2%10.4%
HV 20d28.5%25.5%36.7%36.7%31.2%
HV 60d32.7%30.7%34.1%30.7%34.0%
IV Rank45.4%35.9%74.6%72.6%44.3%
IV Percentile76.6%65.5%96.8%96.8%75.0%
Term Structure-2.8%-12.3%0.7%-12.3%-9.7%
VWIV38.2%32.6%53.4%50.0%33.0%
Skew 25d2.8%-1.8%9.8%0.4%5.7%
Skew 10d5.1%-6.8%25.9%13.9%13.7%
Call IV 25d36.9%29.6%53.1%49.9%29.6%
Put IV 25d39.8%33.9%53.4%50.3%35.3%
Bid-Ask Spread %79.7374.1087.5587.5581.74
Gamma HHI0.250.190.300.300.30
Net GEX258.2K-293.9K2.7M2.7M-293.9K
Net DEX8.6M-32.2M22.1M-32.2M9.5M
Net VEX-74.5K-220.7K-29.8K-220.7K-32.0K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.540.059.260.210.07
Total Volume420.842292,6882929
Total OI65,900.05356,37669,73866,87856,500

Daily Data (19 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2025-11-03$50.48$50.0049.5%14.2%36.7%72.6%50.0%0.4%-12.3%2.7M-32.2M-220.7K0.2187.55N/AN/A24559,4637,415
2025-11-04$49.24$50.0050.4%14.5%28.6%74.6%53.4%0.3%-11.2%1.9M-18.0M-174.5K9.2685.05N/AN/A2622,42659,4767,619
2025-11-05$48.45$50.0036.5%10.5%25.5%44.7%37.4%1.7%-1.4%920.4K-5.5M-142.3K0.8082.78N/AN/A64651559,62010,118
2025-11-06$46.69$50.0032.5%9.8%28.3%35.9%35.8%0.7%-2.1%450.4K5.0M-107.9K0.2982.61N/AN/A1123259,4959,829
2025-11-07$45.70$50.0033.9%9.7%28.0%39.1%35.8%1.7%-0.9%283.5K9.1M-93.2K0.0574.10N/AN/A2721459,5079,672
2025-11-10$46.55$50.0036.9%9.5%25.9%45.5%36.2%1.9%-0.5%308.0K6.9M-92.0K0.8477.29N/AN/A383259,4619,663
2025-11-11$44.99$50.0034.8%9.2%27.8%41.2%40.7%0.3%-1.2%216.5K13.1M-80.9K0.1174.14N/AN/A84959,4649,659
2025-11-12$44.69$50.0032.9%9.4%27.3%37.0%36.7%-0.7%-0.6%75.6K15.4M-68.8K2.6878.40N/AN/A11430659,4719,629
2025-11-13$43.36$50.0032.5%9.3%28.5%36.2%33.3%-1.8%0.2%-71.1K19.8M-57.7K7.4984.98N/AN/A1761,31859,5409,566
2025-11-14$43.23$45.0032.5%9.3%26.2%36.1%33.1%-0.4%0.7%-62.4K18.7M-54.8K0.6875.04N/AN/A1379359,6929,089
2025-11-17$41.58$45.0037.6%10.8%27.7%47.1%38.0%5.2%-1.2%-92.1K21.5M-48.5K0.1678.36N/AN/A1071759,7489,157
2025-11-18$41.72$45.0036.3%10.4%27.2%44.3%50.8%5.6%-1.7%-186.5K21.2M-40.6K0.4780.18N/AN/A904259,7998,793
2025-11-19$40.64$45.0036.6%10.5%27.5%45.1%36.8%6.6%-2.8%-198.5K22.1M-36.2K0.1082.04N/AN/A60659,8458,740
2025-11-20$40.18$45.0036.9%10.6%27.4%45.7%37.4%3.3%-2.1%-204.1K13.7M-32.5K5.1375.47N/AN/A8342659,8936,519
2025-11-21$41.32$45.0038.1%10.9%29.3%48.3%36.5%7.1%-1.7%-184.1K11.8M-37.7K0.1582.61N/AN/A1702659,9476,417
2025-11-24$41.09$45.0035.0%10.0%29.4%41.6%35.6%-0.7%-1.2%-231.3K10.3M-33.4K0.1075.42N/AN/A2152251,2285,148
2025-11-25$41.37$45.0036.8%10.5%29.9%45.4%33.3%9.8%-1.9%-237.2K10.1M-33.0K0.2680.71N/AN/A34951,2985,153
2025-11-26$41.12$45.0033.7%9.7%29.4%38.7%32.6%7.4%-0.9%-268.1K10.8M-29.8K0.3676.46N/AN/A331251,3275,141
2025-11-28$42.05$45.0036.2%10.4%31.2%44.3%33.0%5.7%-9.7%-293.9K9.5M-32.0K0.0781.74N/AN/A27251,3575,143