Data through close

Volatility smile convexity extremes

Where was front-expiration volatility smile curvature most elevated or inverted on Oct 28, 2026?

The front-window IV butterfly compares wing volatility with ATM volatility. The 25 most convex observations appear first, followed by the 25 most inverted. Data through close. Descriptive only, not a recommendation.

At a glance

50 tickers qualified. First five: NN (196.2 pp), JD (178.6 pp), NU (119.6 pp), NEE (98.5 pp), LVS (94.0 pp).

Volatility smile convexity extremes as of Oct 28, 2026 close
# Ticker Close Open interest IV butterfly
1 NN 12.53 601,583 196.2 pp
2 JD 25.45 875,869 178.6 pp
3 NU 11.97 2,576,154 119.6 pp
4 NEE 81.02 532,517 98.5 pp
5 LVS 36.22 192,516 94.0 pp
6 IBRX 8.81 652,379 93.8 pp
7 BKNG 147.94 617,426 91.0 pp
8 XLB 51.86 251,732 85.1 pp
9 BP 49.79 404,909 83.0 pp
10 ACI 13.15 106,700 82.1 pp
11 WMT 118.77 1,247,903 81.5 pp
12 DVN 51.27 467,796 77.1 pp
13 HAL 35.76 423,147 76.9 pp
14 ONON 31.94 406,372 76.7 pp
15 KO 91.73 770,536 76.2 pp
16 FXI 32.46 3,190,704 73.9 pp
17 APA 51.11 174,358 71.4 pp
18 NVO 38.29 1,463,312 71.3 pp
19 PM 202.64 147,320 71.2 pp
20 USO 166.53 1,560,815 71.1 pp
21 KR 65.02 145,872 70.9 pp
22 PYPL 56.55 1,560,609 70.1 pp
23 KTOS 41.17 185,496 68.9 pp
24 SPY 772.31 17,492,393 68.7 pp
25 TJX 138.39 135,411 68.2 pp
26 CAPR 6.23 204,522 -169.5 pp
27 BRUN 8.80 187,210 -161.3 pp
28 SMMT 15.77 235,662 -143.3 pp
29 HIMX 12.01 108,893 -134.2 pp
30 MBLY 7.06 257,253 -131.3 pp
31 UMAC 17.62 105,990 -104.4 pp
32 WOLF 26.66 295,025 -81.7 pp
33 M 23.74 201,874 -80.9 pp
34 LUNR 11.59 271,559 -68.1 pp
35 CCJ 83.84 450,014 -62.5 pp
36 IBKR 83.54 137,305 -62.5 pp
37 AGQ 53.24 107,667 -50.6 pp
38 BITX 18.35 184,468 -49.3 pp
39 GDX 83.94 2,551,720 -47.3 pp
40 GRRR 10.08 153,220 -42.7 pp
41 BHC 6.92 145,413 -39.6 pp
42 STM 48.52 320,387 -39.4 pp
43 VKTX 25.36 298,343 -37.9 pp
44 AG 15.80 1,037,289 -37.2 pp
45 CAT 713.38 241,348 -33.5 pp
46 CBRS 112.56 340,084 -31.9 pp
47 KLAR 13.16 192,911 -31.7 pp
48 SILJ 24.53 629,679 -30.4 pp
49 HLF 13.38 137,781 -30.2 pp
50 NEM 113.92 453,450 -29.9 pp

Screens describe what the data shows after the close. They are not trade recommendations; see the disclaimer and the methodology.