OPEN Options History — August 2021

In August 2021, OPEN traded between $14.18 and $18.10. ATM implied volatility averaged 74.8%, placing in the 56.4% IV rank vs the trailing year. The 30-day expected move averaged 20.3%. IV traded below realized volatility by 6.4% (HV 20d: 81.2%). Max pain ranged from $15.00 to $16.00. Net GEX was positive for 22 of 22 trading days. Term structure was in contango for 12 of 22 days. Put/call ratio averaged 0.43.

Notable Days

  • 2021-08-12: Highest Volume — 183,787 contracts
  • 2021-08-11: Largest IV drop — 21.3% change
  • 2021-08-10: Highest IV Rank — 79.7%
  • 2021-08-04: Largest Expected Move — 25.5%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$15.84$14.18$18.10$14.94$17.70
Max Pain$15.86$15.00$16.00$15.00$16.00
ATM IV74.8%62.0%103.8%85.8%62.7%
Expected Move20.3%17.0%25.5%24.6%17.0%
HV 20d81.2%45.6%104.4%48.4%100.6%
HV 60d64.3%48.8%71.5%62.5%70.5%
IV Rank56.4%46.2%79.7%65.3%46.8%
IV Percentile68.2%52.0%98.0%83.7%52.0%
Term Structure-1.4%-15.1%5.8%-12.6%0.4%
VWIV74.1%61.1%89.8%88.3%61.1%
Skew 25d-5.6%-10.7%-1.4%-8.5%-4.9%
Skew 10d-10.4%-19.6%-2.8%-15.2%-5.6%
Call IV 25d77.1%63.9%93.1%93.1%66.7%
Put IV 25d71.5%61.8%85.3%84.6%61.8%
Bid-Ask Spread %23.444.7166.714.715.13
Gamma HHI0.100.080.140.080.11
Net GEX1.7M775.5K3.7M1.1M3.7M
Net DEX-68.0M-196.3M-10.9M-37.7M-196.3M
Net VEX-831.4K-1.5M-659.1K-725.4K-1.5M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.430.070.950.290.57
Total Volume24,833.54,823183,7874,8238,296
Total OI327,789.727272,130400,984297,348400,984

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2021-08-02$14.94$15.0085.8%24.6%48.4%65.3%88.3%-8.5%-12.6%1.1M-37.7M-725.4K0.294.713,7441,079215,26882,080
2021-08-03$14.18$15.0083.3%23.9%50.6%63.2%87.4%-9.0%-9.5%775.5K-17.1M-659.1K0.4018.585,8212,305215,69082,066
2021-08-04$14.51$15.0088.9%25.5%48.3%67.7%89.8%-6.2%-15.1%910.4K-24.8M-679.3K0.0742.045,404403216,65982,290
2021-08-05$14.40$16.0087.1%21.3%48.0%66.3%76.7%-10.7%-2.9%882.0K-23.4M-685.2K0.2418.795,2321,258219,12983,991
2021-08-06$14.43$16.0087.5%21.1%47.1%66.7%77.1%-9.4%-2.2%911.4K-24.1M-684.7K0.1352.314,765621220,43784,046
2021-08-09$15.01$16.00102.3%22.4%48.8%78.5%85.2%-7.5%-5.1%1.2M-42.2M-721.1K0.1163.7716,3601,847221,97784,627
2021-08-10$14.82$16.00103.8%22.2%46.8%79.7%86.2%-9.1%-4.2%1.1M-35.4M-705.5K0.1666.718,9971,451224,24984,813
2021-08-11$14.48$16.0081.7%23.4%45.6%62.0%84.2%-6.5%-6.7%1.1M-30.4M-688.9K0.6550.2820,91413,546228,23085,187
2021-08-12$18.10$16.0075.6%21.7%91.7%57.1%78.2%-5.5%-0.0%2.9M-138.9M-862.1K0.2344.72149,16834,619233,08985,937
2021-08-13$17.59$16.0066.3%19.0%90.7%49.7%68.7%-5.3%5.3%3.4M-135.2M-834.9K0.448.1428,85212,685247,84495,489
2021-08-16$16.38$16.0066.8%19.2%95.1%50.1%68.7%-6.7%5.3%2.7M-84.1M-781.1K0.9511.7210,64010,138253,716102,922
2021-08-17$14.86$16.0069.8%20.0%101.1%52.5%74.3%-6.0%3.4%1.1M-21.1M-714.8K0.4318.0918,2647,905258,713107,920
2021-08-18$14.52$16.0066.6%19.1%101.3%49.9%74.1%-7.2%5.8%832.6K-10.9M-680.9K0.6639.2514,0969,319259,664107,011
2021-08-19$15.03$16.0069.7%20.0%101.7%52.4%70.9%-2.1%-0.3%1.1M-24.9M-700.1K0.386.9117,8166,803256,810106,619
2021-08-20$15.35$16.0067.4%19.3%101.7%50.6%69.4%-2.2%0.2%908.1K-41.4M-752.9K0.824.8310,6208,712261,620111,848
2021-08-23$16.28$16.0062.8%18.0%103.2%46.8%64.0%-2.6%2.2%1.3M-56.2M-801.1K0.1511.4230,6424,603192,67679,454
2021-08-24$17.14$16.0065.9%18.9%104.4%49.3%68.8%-5.4%0.3%1.6M-81.4M-872.9K0.1520.3033,4464,980196,30284,330
2021-08-25$17.23$16.0062.2%17.8%102.2%46.4%64.9%-1.5%3.8%2.1M-95.1M-923.7K0.636.514,2862,706212,65686,686
2021-08-26$16.70$16.0063.7%18.1%102.8%47.6%65.7%-4.8%0.6%2.4M-86.9M-926.3K0.326.023,6951,176232,65889,443
2021-08-27$17.29$16.0062.0%17.2%103.1%46.2%62.1%-1.4%0.4%2.9M-103.7M-936.9K0.778.616,2844,826232,78289,979
2021-08-30$17.45$16.0063.0%17.8%103.1%47.0%64.4%-2.0%0.4%3.5M-185.2M-1.5M0.886.814,2693,744303,02190,462
2021-08-31$17.70$16.0062.7%17.0%100.6%46.8%61.1%-4.9%0.4%3.7M-196.3M-1.5M0.575.135,2953,001306,69494,290