MUB Options History — April 2026

In April 2026, MUB traded between $106.30 and $107.40. ATM implied volatility averaged 36.5%, placing in the 14.0% IV rank vs the trailing year. The 30-day expected move averaged 10.5%. IV traded above realized volatility by 31.5% (HV 20d: 5.0%). Max pain ranged from $107.00 to $108.00. Net GEX was positive for 0 of 14 trading days. Term structure was in contango for 13 of 14 days. Put/call ratio averaged 13.96.

Notable Days

  • 2026-04-17: Highest Volume — 6,148 contracts
  • 2026-04-21: Largest IV spike — 9391.5% change
  • 2026-04-21: Highest IV Rank — 100.0%
  • 2026-04-21: Largest Expected Move — 127.9%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$106.89$106.30$107.40$106.30$107.31
Max Pain$107.93$107.00$108.00$107.00$108.00
ATM IV36.5%2.8%446.1%6.6%446.1%
Expected Move10.5%0.8%127.9%1.9%127.9%
HV 20d5.0%3.9%5.3%5.2%3.9%
HV 60d3.7%3.7%3.8%3.7%3.7%
IV Rank14.0%0.9%100.0%12.2%100.0%
IV Percentile49.3%0.4%100.0%82.9%100.0%
Term Structure-30.3%-440.9%2.0%0.5%-440.9%
VWIV5.8%4.2%8.5%7.1%5.4%
Skew 25d1.9%1.2%4.0%1.5%1.2%
Skew 10d4.2%0.4%6.8%0.4%6.3%
Call IV 25d4.1%3.0%5.7%5.4%4.0%
Put IV 25d6.0%4.9%7.5%6.9%5.2%
Bid-Ask Spread %27.0621.4532.4322.9427.55
Gamma HHI0.380.270.460.320.30
Net GEX-38.2M-52.7M-31.6M-31.6M-36.4M
Net DEX99.8M54.5M142.1M142.1M68.3M
Net VEX-618.2K-663.9K-543.4K-649.9K-622.6K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio13.960.2391.0914.002.08
Total Volume931.071156,1481537
Total OI43,271.14341,91446,15943,57643,241

Daily Data (14 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2026-04-01$106.30$107.006.6%1.9%5.2%12.2%7.1%1.5%0.5%-31.6M142.1M-649.9K14.0022.9411414,17329,403
2026-04-02$106.50$108.005.8%1.7%5.3%9.8%5.5%1.2%1.2%-33.3M132.5M-661.6K91.0932.43222,00414,17429,416
2026-04-06$106.44$108.002.8%0.8%5.2%0.9%7.0%2.8%1.0%-34.6M125.5M-588.9K0.5625.17181014,18627,728
2026-04-07$106.56$108.005.3%1.5%5.2%8.3%8.5%4.0%1.4%-33.8M122.2M-602.0K1.2327.80303714,19927,730
2026-04-08$106.75$108.005.4%1.5%5.3%8.6%5.3%1.4%1.6%-35.8M111.7M-589.4K5.0027.1131514,22827,752
2026-04-09$107.00$108.005.3%1.5%5.3%8.3%5.7%2.7%1.2%-35.0M90.7M-632.3K0.2331.451433314,23027,739
2026-04-10$106.85$108.004.8%1.4%5.2%6.8%4.7%1.5%1.9%-45.5M104.9M-556.5K1.2927.13283614,24927,743
2026-04-13$107.01$108.005.5%1.6%5.2%8.9%4.9%1.4%1.1%-39.4M90.1M-597.4K0.9626.61242314,27027,755
2026-04-14$107.06$108.004.9%1.4%5.1%7.1%5.3%1.4%1.4%-45.5M97.1M-543.4K1.0230.522,0162,06014,29427,759
2026-04-15$106.93$108.004.7%1.3%5.1%6.5%0.0%1.7%2.0%-41.9M100.8M-663.9K0.4621.45522416,29129,809
2026-04-16$106.97$108.004.7%1.3%5.1%6.5%6.4%1.8%0.9%-52.7M96.1M-657.6K0.4527.37773516,28729,832
2026-04-17$107.37$108.004.4%1.3%5.2%5.6%4.2%1.9%1.7%-37.5M61.3M-630.5K76.8225.95796,06916,36029,799
2026-04-20$107.40$108.004.7%1.3%4.1%6.5%5.0%2.1%0.8%-32.3M54.5M-659.6K0.2625.331153014,89528,254
2026-04-21$107.31$108.00446.1%127.9%3.9%100.0%5.4%1.2%-440.9%-36.4M68.3M-622.6K2.0827.55122514,95728,284