IREN Options History — September 2025

In September 2025, IREN traded between $25.95 and $47.42. ATM implied volatility averaged 102.7%, placing in the 48.3% IV rank vs the trailing year. The 30-day expected move averaged 29.4%. IV traded above realized volatility by 7.2% (HV 20d: 95.5%). Max pain ranged from $16.00 to $39.00. Net GEX was positive for 20 of 21 trading days. Term structure was in contango for 12 of 21 days. Put/call ratio averaged 0.52.

Notable Days

  • 2025-09-24: Highest Volume — 485,319 contracts
  • 2025-09-22: Largest IV spike — 11.4% change
  • 2025-09-24: Highest IV Rank — 68.1%
  • 2025-09-24: Largest Expected Move — 34.6%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$36.35$25.95$47.42$28.82$47.42
Max Pain$23.24$16.00$39.00$16.00$39.00
ATM IV102.7%88.7%121.4%96.3%105.7%
Expected Move29.4%25.5%34.6%27.9%29.6%
HV 20d95.5%83.5%111.4%83.5%107.9%
HV 60d78.1%72.0%86.4%72.9%86.4%
IV Rank48.3%33.5%68.1%41.5%51.5%
IV Percentile48.0%14.7%85.3%30.2%59.9%
Term Structure-0.6%-16.9%11.0%-1.5%3.0%
VWIV103.9%90.8%126.7%98.3%100.5%
Skew 25d-7.8%-21.9%3.0%1.0%-15.6%
Skew 10d-6.0%-21.9%31.4%4.1%-14.3%
Call IV 25d109.6%91.2%136.9%98.5%117.7%
Put IV 25d101.8%89.9%118.1%99.5%102.0%
Bid-Ask Spread %29.484.9342.784.9326.89
Gamma HHI0.100.070.240.100.09
Net GEX10.7M-3.1M16.9M10.9M10.8M
Net DEX-3.06B-4.21B-1.78B-2.30B-4.21B
Net VEX-8.5M-11.1M-6.0M-6.0M-11.1M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.520.321.150.480.72
Total Volume250,886.857102,918485,319320,718173,633
Total OI2,082,694.5241,786,0802,314,1761,786,0802,314,176

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2025-09-02$28.82$16.0096.3%27.9%83.5%41.5%98.3%1.0%-1.5%10.9M-2.30B-6.0M0.484.93216,183104,5351,053,303732,777
2025-09-03$28.05$16.0092.9%27.0%85.3%38.0%95.3%-3.6%-0.8%11.4M-2.15B-6.3M0.3222.71119,19938,3851,085,314762,521
2025-09-04$25.95$16.0089.1%25.5%87.8%34.0%91.1%-1.3%0.7%8.6M-1.78B-6.4M0.3617.91125,37944,6151,089,736780,322
2025-09-05$26.19$18.0088.7%25.8%87.8%33.5%91.6%-0.0%-16.9%9.5M-1.81B-6.5M1.1515.70114,364131,0471,119,752801,413
2025-09-08$26.28$19.0090.5%25.5%88.0%35.4%90.8%-1.3%-0.7%9.7M-1.82B-6.4M0.3931.6274,59928,7671,081,221759,434
2025-09-09$30.01$19.0095.4%27.5%95.0%40.6%97.5%3.0%-0.4%14.4M-2.45B-6.5M0.6033.09213,665127,5651,111,197771,392
2025-09-10$32.95$19.0098.2%27.9%97.0%43.5%99.0%-0.5%-0.5%15.6M-2.90B-7.2M0.3629.25319,948116,3091,147,772858,749
2025-09-11$33.14$20.0093.0%27.1%96.7%38.0%94.5%-6.8%3.2%16.9M-2.90B-8.2M0.5131.3676,12339,0891,200,963942,219
2025-09-12$33.71$20.0094.0%27.3%96.3%39.1%96.0%-2.1%2.6%13.9M-3.01B-8.2M0.3530.2397,17233,7751,208,953953,925
2025-09-15$36.70$20.00101.9%29.2%98.0%47.5%103.5%-3.4%0.0%10.0M-3.30B-8.4M0.5732.45247,426140,9301,162,108912,046
2025-09-16$36.14$20.00102.1%29.2%99.3%47.6%104.4%-7.6%3.0%11.1M-3.22B-8.9M0.6430.71110,35171,1391,215,991953,632
2025-09-17$38.34$22.00100.4%28.8%88.6%45.9%101.8%-4.9%-9.3%12.1M-3.58B-9.1M0.4336.8571,99630,9221,240,420972,397
2025-09-18$36.22$22.0099.4%28.5%94.4%44.8%101.7%-7.3%0.1%10.0M-3.20B-9.0M0.3329.74106,66035,7071,238,051985,251
2025-09-19$39.27$22.00105.6%30.2%95.4%51.3%106.7%-12.7%-1.1%16.0M-3.75B-9.2M0.5231.53197,989102,0241,265,0101,000,986
2025-09-22$41.74$24.00117.6%33.6%94.0%64.1%117.8%-20.3%1.8%8.8M-3.36B-9.5M0.3841.32232,27287,6621,083,021916,142
2025-09-23$41.64$26.00112.2%31.8%93.3%58.4%113.8%-15.4%1.4%8.9M-3.36B-9.9M0.4839.7992,80744,2271,134,463960,292
2025-09-24$47.30$28.00121.4%34.6%98.1%68.1%123.7%-15.7%11.0%11.3M-4.21B-10.0M0.5442.78314,360170,9591,143,083984,212
2025-09-25$46.32$33.00120.3%34.5%97.8%66.9%126.7%-21.9%0.2%9.3M-3.96B-10.4M0.8133.58172,901140,7981,184,9321,049,803
2025-09-26$41.29$34.00114.7%31.6%111.4%61.0%112.5%-12.0%4.3%-3.1M-3.06B-10.5M0.5728.57297,004168,6301,200,0271,100,938
2025-09-29$45.91$35.00117.4%33.0%110.4%63.8%114.4%-16.3%-11.7%8.1M-3.91B-10.9M0.4827.97160,56376,9451,192,8811,065,760
2025-09-30$47.42$39.00105.7%29.6%107.9%51.5%100.5%-15.6%3.0%10.8M-4.21B-11.1M0.7226.89100,86872,7651,236,1131,078,063