DIA Options History — April 2021

In April 2021, DIA traded between $330.95 and $342.01. ATM implied volatility averaged 14.1%, placing in the 3.4% IV rank vs the trailing year. The 30-day expected move averaged 4.1%. IV traded above realized volatility by 4.7% (HV 20d: 9.3%). Max pain ranged from $323.00 to $332.00. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 16 of 21 days. Put/call ratio averaged 1.06.

Notable Days

  • 2021-04-16: Highest Volume — 59,445 contracts
  • 2021-04-20: Largest IV spike — 9.0% change
  • 2021-04-22: Highest IV Rank — 9.0%
  • 2021-04-22: Largest Expected Move — 4.5%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$338.02$330.95$342.01$330.95$338.16
Max Pain$328.24$323.00$332.00$323.00$332.00
ATM IV14.1%12.9%15.5%14.4%14.4%
Expected Move4.1%3.8%4.5%3.8%4.1%
HV 20d9.3%8.7%11.5%11.5%9.7%
HV 60d12.8%10.8%13.4%13.3%11.0%
IV Rank3.4%0.0%9.0%0.0%6.4%
IV Percentile2.5%0.0%6.7%0.0%6.7%
Term Structure0.1%-0.3%0.5%0.1%0.0%
VWIV15.4%13.8%17.4%13.8%14.6%
Skew 25d3.7%3.3%4.1%4.0%3.9%
Skew 10d7.2%6.1%8.2%8.2%7.6%
Call IV 25d12.8%11.6%14.1%13.1%13.0%
Put IV 25d16.5%15.1%17.7%17.1%16.9%
Bid-Ask Spread %5.973.778.883.775.98
Gamma HHI0.110.040.650.650.04
Net GEX201.6M29.7M929.6M929.6M57.4M
Net DEX-2.38B-3.12B-1.78B-2.12B-1.78B
Net VEX-15.7M-16.4M-14.9M-15.8M-15.7M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.060.672.060.671.35
Total Volume39,519.76220,18559,44546,86246,763
Total OI468,499.619427,532488,704465,870487,369

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2021-04-01$330.95$323.0014.4%3.8%11.5%0.0%13.8%4.0%0.1%929.6M-2.12B-15.8M0.673.7728,06818,794210,670255,200
2021-04-05$335.34$325.0014.2%4.2%10.5%0.0%16.9%3.8%0.1%185.5M-2.55B-15.4M1.074.049,74310,442198,378245,085
2021-04-06$334.17$325.0014.0%4.2%9.8%0.0%15.6%3.8%0.1%159.8M-2.36B-15.4M0.707.8016,27911,412203,291254,160
2021-04-07$334.29$325.0013.5%4.1%9.7%0.0%15.8%3.4%0.2%217.7M-2.43B-15.3M1.278.8810,93413,899209,367257,719
2021-04-08$334.77$325.0013.4%4.0%8.9%0.0%15.9%3.3%0.1%262.0M-2.49B-15.5M0.726.2715,84011,482211,623261,873
2021-04-09$337.42$326.0012.9%3.9%9.0%0.0%14.3%3.3%0.2%241.7M-3.05B-14.9M0.767.6923,70217,926212,941265,162
2021-04-12$337.61$326.0013.5%4.0%8.7%2.1%14.6%3.6%0.3%180.3M-2.65B-15.1M1.058.3212,50413,155199,457254,894
2021-04-13$336.99$327.0013.8%4.1%8.8%3.0%16.1%3.6%0.4%178.4M-2.58B-15.2M1.016.7329,10629,427204,201259,966
2021-04-14$337.34$327.0013.9%4.1%8.7%3.3%14.5%3.5%0.5%207.0M-2.65B-15.7M0.846.2422,06918,474210,976272,933
2021-04-15$340.43$328.0013.7%4.0%9.1%2.6%15.0%3.5%0.3%209.6M-3.12B-15.1M1.026.8923,14623,615210,603278,101
2021-04-16$342.01$328.0013.1%3.9%9.0%0.8%14.5%3.5%0.5%137.5M-2.73B-15.5M1.795.3721,34438,101195,157288,553
2021-04-19$340.54$330.0014.2%4.1%8.9%4.2%16.2%3.5%-0.0%67.3M-2.21B-15.7M2.064.3512,97326,687182,623244,909
2021-04-20$338.01$330.0015.5%4.4%9.5%8.1%17.4%3.5%-0.1%29.7M-1.83B-16.4M0.734.6130,19322,137188,592257,313
2021-04-21$341.24$330.0014.4%4.1%8.7%4.7%14.7%3.7%0.1%216.7M-2.57B-16.3M1.214.7420,49324,777207,157260,656
2021-04-22$338.65$330.0015.5%4.5%9.4%9.0%16.6%4.0%-0.3%69.3M-1.89B-16.4M1.028.4426,57026,982205,088268,402
2021-04-23$340.79$331.0014.2%4.1%9.5%4.8%15.7%4.0%0.1%357.6M-2.45B-16.2M1.506.4522,91634,361209,903275,540
2021-04-26$339.99$331.0014.6%4.2%9.4%7.2%16.3%4.1%-0.1%62.6M-2.07B-15.9M1.264.0612,19315,316193,296263,087
2021-04-27$340.24$331.0014.3%4.1%9.0%6.2%15.5%3.8%-0.0%108.4M-2.19B-15.8M0.694.0413,9149,569201,263268,052
2021-04-28$338.74$331.0014.1%4.1%9.1%5.2%15.1%3.8%0.1%119.7M-1.98B-15.8M0.725.9114,42610,340207,893272,098
2021-04-29$340.67$332.0013.7%3.9%9.2%3.3%15.1%3.8%0.1%235.2M-2.38B-15.6M0.774.7022,56217,281210,158274,783
2021-04-30$338.16$332.0014.4%4.1%9.7%6.4%14.6%3.9%0.0%57.4M-1.78B-15.7M1.355.9819,89926,864207,669279,700