MUB Options History — February 2026

In February 2026, MUB traded between $107.63 and $108.93. ATM implied volatility averaged 4.1%, placing in the 4.6% IV rank vs the trailing year. The 30-day expected move averaged 1.2%. IV traded above realized volatility by 2.1% (HV 20d: 1.9%). Max pain ranged from $107.00 to $108.00. Net GEX was positive for 11 of 19 trading days. Term structure was in contango for 19 of 19 days. Put/call ratio averaged 5.87.

Notable Days

  • 2026-02-06: Highest Volume — 10,624 contracts
  • 2026-02-11: Largest IV spike — 33.6% change
  • 2026-02-18: Highest IV Rank — 6.3%
  • 2026-02-18: Largest Expected Move — 1.3%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$108.21$107.63$108.93$107.63$108.91
Max Pain$107.42$107.00$108.00$107.00$108.00
ATM IV4.1%3.3%4.6%4.2%4.5%
Expected Move1.2%1.1%1.3%1.2%1.3%
HV 20d1.9%1.6%2.2%2.2%1.6%
HV 60d2.1%1.8%2.3%2.3%1.8%
IV Rank4.6%2.2%6.3%5.1%5.9%
IV Percentile15.4%0.8%29.8%14.7%27.8%
Term Structure0.8%0.2%1.5%0.2%0.3%
VWIV4.4%3.3%5.5%4.5%4.6%
Skew 25d1.1%0.2%2.4%1.4%1.8%
Skew 10d1.9%-0.8%5.6%0.7%3.0%
Call IV 25d3.8%2.9%4.5%3.5%3.2%
Put IV 25d4.8%3.6%5.6%4.9%4.9%
Bid-Ask Spread %20.889.7378.9412.099.73
Gamma HHI0.380.290.530.480.39
Net GEX5.3M-15.0M31.2M28.4M-15.0M
Net DEX-9.4M-39.5M21.7M-16.4M-21.0M
Net VEX-569.9K-656.3K-488.0K-514.1K-488.0K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio5.870.0063.000.660.31
Total Volume1,709.8425710,624242109
Total OI37,441.31630,67644,67130,67634,989

Daily Data (19 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2026-02-02$107.63$107.004.2%1.2%2.2%5.1%4.5%1.4%0.2%28.4M-16.4M-514.1K0.6612.091469618,38912,287
2026-02-03$107.64$107.003.9%1.1%2.2%4.1%4.0%0.9%0.6%31.2M-15.4M-520.3K5.6210.65137318,54712,358
2026-02-04$107.65$107.003.8%1.1%2.2%3.9%3.6%0.2%1.0%31.2M-10.5M-495.2K1.079.914,0264,29818,53512,431
2026-02-05$107.81$107.003.5%1.3%2.1%3.1%4.4%0.5%1.2%11.3M13.8M-547.1K0.0020.8657015,28916,619
2026-02-06$107.72$107.003.4%1.2%2.1%2.7%4.1%0.6%1.3%9.4M18.8M-536.0K1.1017.085,0525,57215,34516,619
2026-02-09$107.82$107.003.3%1.1%2.1%2.2%4.4%1.2%1.0%14.6M9.8M-643.7K0.0116.373,0451620,37322,152
2026-02-10$107.94$107.003.3%1.2%2.1%2.4%4.3%0.7%0.8%1.4M9.1M-656.3K0.0524.772,12010818,20422,152
2026-02-11$107.84$107.004.4%1.3%2.1%5.6%4.6%0.4%0.9%-3.9M21.7M-628.7K5.4021.434222716,75522,215
2026-02-12$108.09$107.004.1%1.2%2.2%4.7%4.5%0.2%1.5%-3.2M4.7M-615.9K1.9544.04448616,78622,242
2026-02-13$108.28$107.004.4%1.3%2.2%5.6%4.4%1.8%0.9%-3.3M-6.3M-595.9K0.4517.58843816,30522,266
2026-02-17$108.38$107.004.5%1.3%2.2%6.0%5.1%1.0%0.8%-4.3M-12.2M-561.5K0.0212.756,15110116,27522,310
2026-02-18$108.35$108.004.6%1.3%1.7%6.3%5.0%0.5%0.6%5.2M-19.3M-619.6K22.2013.44511122,22922,372
2026-02-19$108.44$108.004.4%1.2%1.6%5.5%5.5%0.8%0.5%1.7M-26.5M-606.4K0.6113.60744522,20922,462
2026-02-20$108.55$108.003.9%1.1%1.6%4.2%3.3%1.6%1.2%-1.9M-39.5M-566.6K1.1025.20293222,11522,488
2026-02-23$108.57$108.004.3%1.2%1.6%5.4%4.3%1.2%0.2%3.7M-11.6M-610.8K6.4811.092113616,58820,321
2026-02-24$108.66$108.004.2%1.2%1.6%5.0%4.1%2.0%1.4%-394.1K-33.3M-501.1K0.3023.021273816,60520,446
2026-02-25$108.75$108.004.3%1.2%1.6%5.2%4.5%1.0%0.2%4.5M-15.8M-582.5K63.0014.13425216,55620,456
2026-02-26$108.93$108.004.0%1.2%1.6%4.6%4.3%2.4%0.6%-10.6M-28.3M-538.2K1.1478.94515816,53220,563
2026-02-27$108.91$108.004.5%1.3%1.6%5.9%4.6%1.8%0.3%-15.0M-21.0M-488.0K0.319.73832614,36920,620