FCN · IV Rank History

FTI Consulting, Inc.

IV rank shows where FCN's implied volatility sits within its own recent range: 0 is the lowest reading in the window, 100 the highest. This page gives the 52-week version, the 90-session version our screeners use, the IV percentile, and the daily history.

FCN's 30-day at-the-money implied volatility was 41.7% as of Oct 5, 2026. Its 52-week IV rank is 76 and its IV percentile is 92%: IV was lower on 92% of the past year's sessions. Over those 52 weeks it ranged from 18.8% (Dec 17, 2025) to 48.7% (Jul 24, 2026). On the 90-session window our screeners use, the IV rank is 58.

FCN IV rank history

504 sessions

Filled line: 90-session IV rank (0–100, left axis). Dashed line: 30-day at-the-money implied volatility (right axis).

FCN IV rank and implied volatility as of 2026-10-05

52-Week IV Rank
76
0 = year low, 100 = year high
IV Percentile
92%
of past-year sessions had lower IV
90-Session IV Rank
58
used by our screeners
30-Day ATM IV
41.7%
1-year average 33.4%
7-Day ATM IV
40.2%
90-session rank 45
52-Week IV High
48.7%
2026-07-24
52-Week IV Low
18.8%
2025-12-17
History Since
2023-05-02
829 sessions

How these are measured. Implied volatility here is FCN's 30-day at-the-money IV: the implied volatility of the calls and puts struck nearest the share price, blended between the expirations on either side of 30 days so every reading covers the same horizon. It's the IV level options traders usually quote, and it doesn't jump when the nearest expiration rolls from a weekly to a monthly. The 7-day figure is the same measure a week out, so it reacts first to near-term events such as earnings.

52-week IV rank = (today's IV − 52-week low) ÷ (52-week high − 52-week low) × 100. IV percentile is the share of the past year's sessions that closed with lower IV than today. The 90-session IV rank applies the same rank formula to the last 90 sessions, so it reacts faster.

A high reading means FCN options are expensive relative to their own recent history, which is common ahead of earnings or after a sharp move. It says nothing about which way the stock will go. The Vol Arb Screener ranks every tracked symbol by these measures.

FCN implied volatility by month

MonthAvg ATM IVHighLowAvg IV Rank (90-session)
Oct 2026 (to date) 40.4% 41.7% 39.1% 50
Sep 2026 36.4% 39.6% 32.0% 34
Aug 2026 35.5% 38.7% 32.4% 38
Jul 2026 43.3% 48.7% 34.5% 84
Jun 2026 37.3% 40.6% 33.2% 62
May 2026 34.2% 38.5% 27.6% 49
Apr 2026 38.1% 43.9% 29.2% 87
Mar 2026 31.2% 36.0% 28.3% 59
Feb 2026 34.6% 39.6% 26.6% 80
Jan 2026 30.6% 34.5% 25.2% 63
Dec 2025 22.3% 26.0% 18.8% 15
Nov 2025 24.8% 26.6% 23.2% 22
Oct 2025 31.4% 37.4% 21.9% 54
Sep 2025 25.6% 32.2% 20.9% 33
Aug 2025 22.5% 26.0% 20.5% 13
Jul 2025 33.1% 40.4% 21.4% 43
Jun 2025 25.6% 28.7% 22.5% 22
May 2025 22.3% 26.0% 18.2% 7
Apr 2025 39.2% 52.6% 23.8% 67
Mar 2025 29.1% 34.5% 22.2% 49
Feb 2025 34.0% 38.3% 25.8% 69
Jan 2025 30.6% 34.8% 23.8% 54
Dec 2024 22.7% 26.1% 19.9% 21
Nov 2024 21.0% 23.5% 19.4% 13
Oct 2024 33.0% 40.5% 21.8% 66
Sep 2024 24.6% 29.8% 21.2% 28
Aug 2024 22.7% 33.0% 18.0% 18
Jul 2024 32.7% 40.8% 21.8% 56
Jun 2024 22.3% 27.8% 19.8% 17
May 2024 20.2% 22.1% 17.8% 4
Apr 2024 35.7% 44.6% 23.0% 62
Mar 2024 24.9% 29.4% 22.0% 21
Feb 2024 34.1% 44.6% 23.0% 64
Jan 2024 26.1% 31.9% 22.0% 32
Dec 2023 23.2% 27.6% 19.9% 19
Nov 2023 21.7% 24.7% 19.7% 12
Oct 2023 34.4% 40.9% 26.4% 82
Sep 2023 24.3% 30.1% 19.1% 32
Aug 2023 23.2% 25.0% 21.1% 26
Jul 2023 31.6% 36.0% 22.8% 90
Jun 2023 21.5% 26.6% 18.8% 40
May 2023 23.0% 25.6% 18.7% 57

FCN IV rank: last 30 sessions

DateIV Rank (90-session)30-Day ATM IV7-Day ATM IV
2026-10-05 58 41.7% 40.2%
2026-10-02 50 40.3% 37.3%
2026-10-01 42 39.1% 37.7%
2026-09-30 44 39.4% 36.3%
2026-09-29 40 38.7% 35.8%
2026-09-28 45 39.6% 37.6%
2026-09-25 36 38.0% 35.9%
2026-09-24 23 35.9% —
2026-09-23 26 36.4% —
2026-09-22 35 37.9% —
2026-09-21 31 37.0% —
2026-09-18 33 37.4% —
2026-09-17 28 35.3% —
2026-09-16 40 37.6% 44.8%
2026-09-15 29 35.2% 38.7%
2026-09-14 40 37.2% 45.0%
2026-09-11 26 34.5% 32.7%
2026-09-10 46 37.3% 37.2%
2026-09-09 46 37.4% 35.9%
2026-09-08 37 35.3% 35.6%
2026-09-04 26 33.2% 31.8%
2026-09-03 32 34.3% 34.1%
2026-09-02 21 32.0% 26.7%
2026-09-01 30 33.9% 33.0%
2026-08-31 23 32.4% 31.2%
2026-08-28 32 34.4% 34.7%
2026-08-27 33 34.6% —
2026-08-26 32 34.4% —
2026-08-25 32 34.4% —
2026-08-24 40 36.1% —

Market data may be delayed, incomplete, or inaccurate. Not a recommendation to buy, sell, or hold any security. Verify quotes with your broker before trading. See Terms §17.