CORN Options History — March 2021

In March 2021, CORN traded between $16.38 and $17.56. ATM implied volatility averaged 28.7%, placing in the 32.0% IV rank vs the trailing year. The 30-day expected move averaged 8.3%. IV traded above realized volatility by 9.8% (HV 20d: 18.9%). Max pain ranged from $16.00 to $17.00. Net GEX was positive for 23 of 23 trading days. Term structure was in contango for 11 of 23 days. Put/call ratio averaged 0.16.

Notable Days

  • 2021-03-16: Highest Volume — 5,168 contracts
  • 2021-03-10: Largest IV spike — 15.3% change
  • 2021-03-31: Highest IV Rank — 37.2%
  • 2021-03-31: Largest Expected Move — 9.0%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$17.02$16.38$17.56$16.98$17.56
Max Pain$16.78$16.00$17.00$17.00$16.00
ATM IV28.7%24.6%31.5%27.2%31.5%
Expected Move8.3%7.8%9.0%7.8%9.0%
HV 20d18.9%15.7%29.7%20.6%29.7%
HV 60d23.7%22.7%27.8%22.7%27.8%
IV Rank32.0%24.3%37.2%29.2%37.2%
IV Percentile65.5%40.1%84.1%57.1%84.1%
Term Structure0.1%-2.8%3.2%1.8%-2.8%
VWIV29.3%26.0%32.4%26.0%30.0%
Skew 25d-2.7%-10.8%22.1%-10.8%-4.6%
Skew 10d-7.6%-23.6%66.7%-5.9%-21.6%
Call IV 25d30.9%21.6%37.3%30.5%32.2%
Put IV 25d28.2%19.5%47.8%19.7%27.6%
Bid-Ask Spread %43.5714.9494.7729.0868.55
Gamma HHI0.210.170.230.170.22
Net GEX539.7K418.2K677.2K436.2K664.3K
Net DEX-18.0M-22.4M-15.9M-16.2M-22.4M
Net VEX-80.8K-94.4K-66.3K-70.4K-89.8K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.160.001.350.040.19
Total Volume1,139.133795,1686643,015
Total OI25,861.1322,69931,28322,69927,587

Daily Data (23 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2021-03-01$16.98$17.0027.2%7.8%20.6%29.2%26.0%-10.8%1.8%436.2K-16.2M-70.4K0.0429.08N/AN/A6402418,1344,565
2021-03-02$17.18$17.0028.1%8.0%21.0%30.8%27.9%-7.9%2.7%418.2K-17.4M-69.5K0.0431.08N/AN/A6422418,4064,579
2021-03-03$16.97$17.0028.0%8.0%21.2%30.7%28.7%-8.6%0.4%444.0K-16.8M-72.4K0.0828.08N/AN/A6835818,6884,596
2021-03-04$16.96$16.0027.2%8.6%20.9%29.2%29.5%-6.0%-0.6%450.3K-16.7M-74.1K0.0468.66N/AN/A5682418,9424,576
2021-03-05$17.32$16.0028.0%8.2%22.2%30.6%28.7%-4.2%-0.7%488.0K-18.2M-72.0K0.2041.66N/AN/A4288618,9024,568
2021-03-08$17.30$17.0028.6%7.9%22.2%31.8%30.1%-5.7%2.3%479.1K-18.2M-72.1K0.2438.93N/AN/A43310318,7934,577
2021-03-09$17.32$17.0024.6%7.9%20.7%24.3%28.8%-4.2%0.2%490.0K-17.4M-74.9K0.2034.22N/AN/A3667218,7064,607
2021-03-10$17.01$17.0028.3%8.1%21.1%31.3%29.8%-7.0%0.1%458.1K-16.6M-70.2K0.1452.56N/AN/A1,00413718,7674,653
2021-03-11$17.15$17.0028.5%8.2%18.2%31.5%28.9%-7.5%-0.2%461.4K-16.9M-74.1K0.0335.00N/AN/A8992518,9544,701
2021-03-12$17.09$17.0029.6%8.5%18.0%33.7%29.1%-2.4%-1.1%461.6K-16.7M-68.4K1.3554.58N/AN/A22530418,8244,708
2021-03-15$17.15$17.0028.8%8.3%17.9%32.2%29.1%-4.0%0.8%444.7K-16.7M-69.3K0.1856.88N/AN/A4468118,8945,003
2021-03-16$17.21$16.0027.9%8.0%16.3%30.5%28.3%-5.5%-0.1%418.3K-17.2M-66.3K0.0251.54N/AN/A5,0907818,9165,070
2021-03-17$17.18$17.0027.8%8.0%16.3%30.3%29.2%-5.0%1.8%555.1K-19.7M-86.4K0.0377.36N/AN/A1,3974123,3265,089
2021-03-18$16.82$17.0028.7%8.2%17.9%32.0%28.2%-10.7%1.9%575.1K-17.6M-88.5K0.0862.06N/AN/A2,62620724,4555,056
2021-03-19$16.97$17.0027.9%8.0%18.1%30.5%28.5%-4.7%3.2%590.3K-19.7M-93.8K0.0716.04N/AN/A8105826,1785,105
2021-03-22$16.88$17.0029.5%8.5%16.8%33.5%29.2%-0.3%0.5%660.6K-19.5M-94.2K0.1247.99N/AN/A7909824,4103,786
2021-03-23$16.89$17.0029.4%8.4%16.8%33.4%29.6%0.7%-0.9%675.6K-19.6M-94.4K0.1518.70N/AN/A4827024,4913,776
2021-03-24$16.88$17.0030.8%8.8%16.3%35.9%32.4%1.6%-1.1%673.7K-19.7M-93.1K0.0033.25N/AN/A378124,5293,823
2021-03-25$16.79$17.0029.8%8.5%15.9%34.0%29.9%1.0%-1.2%677.2K-18.8M-92.9K0.1914.94N/AN/A78514724,4123,822
2021-03-26$16.84$17.0029.8%8.6%16.0%34.1%30.3%3.0%-1.6%647.9K-18.6M-90.6K0.1618.08N/AN/A3665823,8673,964
2021-03-29$16.66$17.0030.5%8.7%15.7%35.3%31.0%7.3%-0.4%625.5K-17.9M-90.1K0.0728.04N/AN/A5924424,0383,950
2021-03-30$16.38$16.0029.5%8.5%15.9%33.5%29.5%22.1%-1.8%618.9K-15.9M-92.0K0.1594.77N/AN/A1,55723824,0623,951
2021-03-31$17.56$16.0031.5%9.0%29.7%37.2%30.0%-4.6%-2.8%664.3K-22.4M-89.8K0.1968.55N/AN/A2,53248323,5324,055