RNG Options History — September 2025

In September 2025, RNG traded between $28.61 and $32.70. ATM implied volatility averaged 39.3%, placing in the 20.8% IV rank vs the trailing year. The 30-day expected move averaged 11.1%. IV traded below realized volatility by 6.7% (HV 20d: 46.0%). Max pain ranged from $28.50 to $30.00. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 10 of 21 days. Put/call ratio averaged 0.42.

Notable Days

  • 2025-09-23: Highest Volume — 1,621 contracts
  • 2025-09-08: Largest IV drop — 8.5% change
  • 2025-09-22: Highest IV Rank — 23.1%
  • 2025-09-30: Largest Expected Move — 11.7%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$30.96$28.61$32.70$30.19$28.61
Max Pain$29.93$28.50$30.00$28.50$30.00
ATM IV39.3%36.9%40.5%39.6%39.8%
Expected Move11.1%10.4%11.7%11.4%11.7%
HV 20d46.0%35.1%91.1%91.1%45.4%
HV 60d62.7%62.1%64.6%62.2%64.6%
IV Rank20.8%15.9%23.1%21.4%21.7%
IV Percentile26.7%7.9%39.3%29.8%31.7%
Term Structure1.2%-1.9%7.9%-0.3%7.8%
VWIV39.0%37.1%42.1%39.9%39.8%
Skew 25d2.7%-3.0%5.6%5.6%2.4%
Skew 10d4.2%-11.3%10.0%7.4%5.5%
Call IV 25d38.8%36.3%42.0%38.4%42.0%
Put IV 25d41.6%36.3%45.2%44.0%44.4%
Bid-Ask Spread %50.0611.7886.2716.7157.58
Gamma HHI0.170.140.200.160.17
Net GEX410.7K175.5K592.0K284.1K175.5K
Net DEX-9.2M-13.7M-2.2M-7.2M-2.2M
Net VEX-70.0K-78.5K-60.7K-70.1K-60.7K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.420.051.310.361.31
Total Volume771.6191431,6215251,015
Total OI25,702.1924,31527,36824,74825,879

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2025-09-02$30.19$28.5039.6%11.4%91.1%21.4%39.9%5.6%-0.3%284.1K-7.2M-70.1K0.3616.71N/AN/A38613914,40710,341
2025-09-03$30.15$30.0039.8%11.3%91.0%21.8%39.2%4.5%-0.1%264.6K-7.3M-68.6K0.9147.79N/AN/A756814,35510,422
2025-09-04$30.48$30.0039.9%10.9%47.2%21.9%37.6%5.3%-0.0%268.2K-7.9M-67.7K0.7340.45N/AN/A66648314,37810,463
2025-09-05$31.74$30.0040.3%11.2%48.6%22.8%37.3%3.7%-1.9%413.7K-12.0M-75.2K0.7431.38N/AN/A88265014,84310,719
2025-09-08$32.70$30.0036.9%10.4%49.0%15.9%37.2%4.0%-0.8%497.8K-13.7M-78.5K0.0740.21N/AN/A1,2278114,60110,674
2025-09-09$31.88$30.0039.6%11.0%44.5%21.4%40.0%3.4%-1.5%455.5K-11.6M-75.0K0.7467.74N/AN/A16412214,74410,715
2025-09-10$30.52$30.0038.8%11.1%47.7%19.7%38.6%4.3%-0.1%335.4K-7.9M-70.3K0.6811.78N/AN/A33422714,78010,736
2025-09-11$31.11$30.0039.0%11.1%40.3%20.1%37.1%-3.0%-0.1%396.1K-9.5M-69.1K0.3713.28N/AN/A37413714,96710,907
2025-09-12$30.75$30.0038.6%10.9%40.1%19.3%0.0%0.8%-1.0%372.4K-8.2M-66.4K0.2213.46N/AN/A1523414,90911,016
2025-09-15$30.76$30.0039.9%11.5%40.1%21.9%40.1%2.2%-0.5%381.2K-8.2M-64.7K0.3226.18N/AN/A89528414,77610,624
2025-09-16$31.20$30.0039.5%11.3%39.9%21.1%40.0%2.3%-0.2%498.1K-10.6M-69.8K0.3378.94N/AN/A36012015,44910,553
2025-09-17$31.79$30.0039.2%11.2%40.3%20.5%38.7%0.7%0.9%567.6K-13.3M-69.6K0.5486.27N/AN/A68136815,66910,652
2025-09-18$31.77$30.0038.3%11.0%39.0%18.8%38.6%0.5%0.7%568.8K-13.1M-72.8K0.0586.17N/AN/A7914215,85910,871
2025-09-19$31.31$30.0038.1%10.8%39.1%18.4%38.6%0.3%1.3%592.0K-11.7M-69.4K0.1980.82N/AN/A74214116,47210,896
2025-09-22$32.20$30.0040.5%11.3%35.1%23.1%38.0%3.1%3.5%477.8K-12.1M-76.2K0.0855.16N/AN/A1,29910515,0319,284
2025-09-23$30.63$30.0040.2%11.2%39.2%22.6%39.3%3.4%0.6%433.1K-7.5M-69.6K0.1056.18N/AN/A1,47115015,8719,368
2025-09-24$30.69$30.0040.0%11.2%37.1%22.1%40.1%4.0%6.2%509.4K-8.1M-69.3K0.8561.07N/AN/A24120516,5819,494
2025-09-25$30.13$30.0039.2%11.3%36.9%20.5%38.3%4.1%1.0%349.1K-6.0M-68.2K0.1858.91N/AN/A4067516,6759,693
2025-09-26$30.77$30.0038.4%10.6%37.8%19.0%38.7%4.0%1.8%404.0K-8.2M-70.1K0.0658.65N/AN/A3562316,9369,711
2025-09-29$30.74$30.0040.0%11.0%37.5%22.1%42.1%2.1%7.9%379.5K-7.7M-68.6K0.0862.55N/AN/A2161715,8779,548
2025-09-30$28.61$30.0039.8%11.7%45.4%21.7%39.8%2.4%7.8%175.5K-2.2M-60.7K1.3157.58N/AN/A43957616,3209,559