BSY Options History — August 2025

In August 2025, BSY traded between $51.56 and $57.83. ATM implied volatility averaged 29.0%, placing in the 28.6% IV rank vs the trailing year. The 30-day expected move averaged 7.6%. IV traded above realized volatility by 6.9% (HV 20d: 22.0%). Max pain ranged from $55.00 to $60.00. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 11 of 21 days. Put/call ratio averaged 1.16.

Notable Days

  • 2025-08-25: Highest Volume — 5,157 contracts
  • 2025-08-06: Largest IV drop — 46.4% change
  • 2025-08-05: Highest IV Rank — 68.4%
  • 2025-08-01: Largest Expected Move — 12.2%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$54.15$51.56$57.83$57.03$55.75
Max Pain$59.76$55.00$60.00$55.00$60.00
ATM IV29.0%23.4%48.7%42.6%23.4%
Expected Move7.6%6.7%12.2%12.2%6.7%
HV 20d22.0%13.9%25.3%13.9%24.9%
HV 60d20.4%18.3%21.1%20.8%20.9%
IV Rank28.6%16.3%68.4%56.2%16.3%
IV Percentile31.8%3.2%96.0%88.9%3.2%
Term Structure-0.1%-11.7%2.6%-11.7%1.9%
VWIV27.3%19.4%49.4%49.4%26.8%
Skew 25d-0.6%-8.2%1.7%-5.6%0.4%
Skew 10d-2.5%-16.1%5.2%-16.1%1.9%
Call IV 25d27.4%24.5%45.4%45.4%25.3%
Put IV 25d26.8%19.0%39.8%39.8%25.7%
Bid-Ask Spread %84.3474.9089.9581.8989.78
Gamma HHI0.400.350.480.430.36
Net GEX4.0M2.6M5.7M5.1M5.6M
Net DEX-59.1M-110.8M-26.9M-101.5M-85.4M
Net VEX-443.2K-623.8K-333.9K-604.0K-524.2K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.160.0111.400.100.35
Total Volume1,399.191505,1572,7881,972
Total OI61,327.57155,26765,14760,06962,729

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2025-08-01$57.03$55.0042.6%12.2%13.9%56.2%49.4%-5.6%-11.7%5.1M-101.5M-604.0K0.1081.89N/AN/A2,53725153,0157,054
2025-08-04$57.83$60.0045.7%8.1%14.5%62.4%29.4%0.3%1.4%5.7M-110.8M-623.8K0.5176.32N/AN/A34317455,1127,052
2025-08-05$56.98$60.0048.7%8.9%15.5%68.4%31.0%-0.1%-1.9%5.3M-99.1M-591.3K0.6281.90N/AN/A57835955,1617,135
2025-08-06$55.28$60.0026.1%6.9%19.1%23.3%24.4%0.5%2.6%4.4M-66.0M-479.0K1.7883.13N/AN/A54196555,3207,319
2025-08-07$53.31$60.0030.8%7.9%22.3%32.6%29.2%1.0%1.0%3.6M-48.0M-433.6K5.1487.31N/AN/A8074,14855,2667,397
2025-08-08$53.44$60.0030.4%7.4%22.3%33.5%25.8%0.6%1.4%3.2M-44.7M-436.6K2.4586.08N/AN/A18745955,0509,684
2025-08-11$52.81$60.0031.9%7.5%21.2%36.4%26.9%0.4%1.0%2.9M-37.1M-398.7K0.1184.99N/AN/A4725455,0629,559
2025-08-12$52.46$60.0024.5%7.6%21.2%21.1%25.9%0.2%1.3%3.0M-33.6M-363.7K0.0881.03N/AN/A6175255,3939,562
2025-08-13$51.76$60.0025.9%7.4%20.9%24.0%26.0%-2.6%1.7%2.6M-27.8M-360.7K0.4989.47N/AN/A26313055,5669,555
2025-08-14$51.56$60.0026.1%7.5%20.9%24.5%25.8%1.7%2.3%2.6M-26.9M-333.9K11.4080.71N/AN/A1872,13155,6079,540
2025-08-15$52.99$60.0024.7%7.1%23.8%19.2%25.1%0.5%-0.3%3.2M-38.1M-365.0K0.1981.02N/AN/A97918755,6799,386
2025-08-18$53.66$60.0024.8%7.1%24.4%19.3%25.0%0.9%-0.2%3.6M-49.6M-387.4K0.2074.90N/AN/A53310648,9266,341
2025-08-19$53.51$60.0024.4%7.0%24.2%18.5%24.9%0.9%-0.2%3.5M-49.0M-387.6K0.0186.79N/AN/A149149,0786,429
2025-08-20$53.58$60.0024.9%7.1%24.0%19.6%25.3%1.0%0.3%3.6M-49.4M-385.5K0.0182.64N/AN/A2,4191249,1366,430
2025-08-21$53.41$60.0025.7%7.4%24.0%21.3%26.0%0.4%-0.1%3.8M-50.6M-393.7K0.0882.95N/AN/A2241951,1296,453
2025-08-22$54.30$60.0024.1%6.9%25.0%17.9%25.6%1.7%0.9%4.2M-58.7M-422.1K0.3889.54N/AN/A1305051,1526,462
2025-08-25$53.97$60.0025.7%7.4%24.9%21.4%27.4%0.5%-0.3%4.1M-57.9M-419.5K0.0289.95N/AN/A5,0738451,1476,465
2025-08-26$53.92$60.0025.4%7.3%24.9%20.7%27.3%0.3%-0.1%4.5M-62.8M-462.7K0.0787.93N/AN/A4002955,2646,535
2025-08-27$54.70$60.0026.6%7.6%25.3%23.2%19.4%-8.2%-2.0%4.9M-69.6M-460.5K0.0985.57N/AN/A6906155,5586,559
2025-08-28$54.96$60.0025.9%7.4%25.1%21.9%26.3%-7.6%-0.7%5.2M-73.9M-472.7K0.2087.30N/AN/A84216856,0426,570
2025-08-29$55.75$60.0023.4%6.7%24.9%16.3%26.8%0.4%1.9%5.6M-85.4M-524.2K0.3589.78N/AN/A1,45751556,1036,626