RNG Options History — December 2025

In December 2025, RNG traded between $28.63 and $31.04. ATM implied volatility averaged 36.3%, placing in the 7.2% IV rank vs the trailing year. The 30-day expected move averaged 10.4%. IV traded above realized volatility by 5.9% (HV 20d: 30.4%). Max pain ranged from $27.00 to $30.00. Net GEX was positive for 22 of 22 trading days. Term structure was in contango for 16 of 22 days. Put/call ratio averaged 0.59.

Notable Days

  • 2025-12-18: Highest Volume — 693 contracts
  • 2025-12-08: Largest IV spike — 7.7% change
  • 2025-12-01: Highest IV Rank — 16.9%
  • 2025-12-03: Largest Expected Move — 11.4%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$29.64$28.63$31.04$28.63$28.95
Max Pain$29.66$27.00$30.00$27.00$30.00
ATM IV36.3%34.6%38.6%37.4%36.0%
Expected Move10.4%9.7%11.4%11.3%10.0%
HV 20d30.4%26.0%35.2%33.8%28.6%
HV 60d38.1%35.4%40.2%39.4%35.4%
IV Rank7.2%2.4%16.9%16.9%5.6%
IV Percentile4.8%0.8%16.3%6.3%5.2%
Term Structure0.4%-2.2%2.8%0.5%0.5%
VWIV36.6%34.1%40.3%40.3%38.9%
Skew 25d4.1%1.1%12.8%3.5%3.8%
Skew 10d8.9%-3.4%21.4%7.2%21.4%
Call IV 25d35.7%28.9%38.8%37.1%34.7%
Put IV 25d39.9%37.4%43.1%40.6%38.4%
Bid-Ask Spread %41.6916.3771.6862.5135.66
Gamma HHI0.210.140.310.140.20
Net GEX191.7K80.1K324.8K80.1K135.7K
Net DEX-4.8M-8.8M-2.4M-2.4M-3.7M
Net VEX-33.1K-36.3K-30.1K-34.8K-30.1K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.590.024.110.360.54
Total Volume376.409110693234393
Total OI23,394.22720,71025,54423,34420,859

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2025-12-01$28.63$27.0037.4%11.3%33.8%16.9%40.3%3.5%0.5%80.1K-2.4M-34.8K0.3662.51N/AN/A1726214,2099,135
2025-12-02$29.62$27.0036.1%10.9%34.8%7.3%38.0%3.1%0.9%148.0K-4.4M-36.3K1.1071.68N/AN/A24827414,3479,182
2025-12-03$29.16$28.5034.9%11.4%27.5%4.8%39.4%2.6%2.8%120.6K-3.5M-35.1K0.1471.14N/AN/A2032914,4699,349
2025-12-04$29.16$30.0036.6%10.4%26.6%8.4%36.4%1.8%1.0%129.4K-3.4M-34.1K0.1332.62N/AN/A5397214,5949,359
2025-12-05$29.63$30.0035.8%10.2%26.7%6.7%36.1%4.1%1.0%161.2K-4.8M-35.0K0.4347.02N/AN/A26811615,0319,414
2025-12-08$29.61$30.0038.6%10.5%26.4%12.8%36.5%3.2%-2.2%181.9K-5.0M-35.1K0.5616.37N/AN/A22212515,0489,364
2025-12-09$30.45$30.0037.7%10.3%27.5%10.8%35.2%3.3%-2.1%232.9K-6.7M-34.9K0.2150.02N/AN/A2695715,1989,464
2025-12-10$30.67$30.0036.7%10.6%27.5%8.7%36.9%3.1%-0.1%280.6K-7.7M-36.1K0.3262.08N/AN/A1795815,3769,519
2025-12-11$30.95$30.0035.5%10.4%27.5%6.1%35.7%1.1%0.4%310.7K-8.7M-34.5K0.9136.28N/AN/A988915,4189,527
2025-12-12$31.04$30.0035.2%10.2%26.0%5.3%35.4%8.0%0.7%324.8K-8.8M-33.5K0.1626.19N/AN/A4206715,4519,575
2025-12-15$29.23$30.0036.0%10.3%35.2%5.7%36.7%4.7%1.1%191.5K-3.9M-31.8K0.2422.08N/AN/A2856715,1899,226
2025-12-16$29.84$30.0036.6%10.5%33.8%6.9%36.2%7.9%-0.8%229.2K-5.4M-31.7K0.0634.89N/AN/A3832215,3819,256
2025-12-17$29.61$30.0037.5%10.8%33.6%9.0%37.2%4.9%-1.2%282.5K-5.2M-31.9K4.1145.39N/AN/A9840315,6399,274
2025-12-18$29.77$30.0036.5%10.4%33.5%6.7%35.9%4.4%0.8%230.4K-4.8M-31.9K0.0722.23N/AN/A6484515,6879,639
2025-12-19$29.48$30.0035.4%10.0%33.5%4.3%34.9%12.8%1.6%175.8K-3.6M-32.8K0.4926.50N/AN/A44921815,8909,654
2025-12-22$29.60$30.0035.1%9.9%31.2%3.6%34.3%4.6%1.1%186.8K-3.7M-32.2K0.0229.61N/AN/A243612,7807,930
2025-12-23$29.19$30.0035.6%10.2%31.5%4.7%36.1%3.3%0.5%170.9K-2.8M-31.8K0.2469.27N/AN/A42810312,9387,876
2025-12-24$29.20$30.0034.6%10.0%30.7%2.4%34.1%1.9%0.8%185.9K-3.6M-32.0K0.1228.50N/AN/A3113613,3007,977
2025-12-26$29.56$30.0035.9%9.7%30.9%5.4%35.5%1.9%-1.0%171.3K-4.1M-31.9K0.5845.24N/AN/A18010513,6048,012
2025-12-29$29.48$30.0037.4%10.7%30.9%8.7%39.0%3.0%1.3%165.7K-4.8M-31.0K1.8344.31N/AN/A6411712,9897,723
2025-12-30$29.32$30.0036.4%10.2%30.8%6.5%35.3%3.9%1.0%122.1K-4.3M-30.7K0.3837.56N/AN/A803012,9967,825
2025-12-31$28.95$30.0036.0%10.0%28.6%5.6%38.9%3.8%0.5%135.7K-3.7M-30.1K0.5435.66N/AN/A25613713,0117,848