SUI · IV Rank History

Sun Communities, Inc

IV rank shows where SUI'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.

SUI's 30-day at-the-money implied volatility was 25.1% as of Oct 21, 2026. Its 52-week IV rank is 56 and its IV percentile is 67%: IV was lower on 67% of the past year's sessions. Over those 52 weeks it ranged from 15.2% (Dec 29, 2025) to 32.7% (Oct 23, 2025). On the 90-session window our screeners use, the IV rank is 62.

SUI 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).

SUI IV rank and implied volatility as of 2026-10-21

52-Week IV Rank
56
0 = year low, 100 = year high
IV Percentile
67%
of past-year sessions had lower IV
90-Session IV Rank
62
used by our screeners
30-Day ATM IV
25.1%
1-year average 23.8%
52-Week IV High
32.7%
2025-10-23
52-Week IV Low
15.2%
2025-12-29
History Since
2023-05-02
845 sessions

How these are measured. Implied volatility here is SUI'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 SUI 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.

SUI implied volatility by month

MonthAvg ATM IVHighLowAvg IV Rank (90-session)
Oct 2026 (to date) 23.1% 25.6% 19.0% 42
Sep 2026 23.0% 25.9% 20.7% 40
Aug 2026 22.3% 25.1% 19.2% 32
Jul 2026 26.0% 28.8% 22.4% 70
Jun 2026 25.1% 27.4% 23.2% 58
May 2026 22.8% 25.0% 19.3% 46
Apr 2026 24.7% 28.7% 21.3% 67
Mar 2026 24.8% 26.8% 23.5% 66
Feb 2026 25.1% 29.5% 21.0% 56
Jan 2026 19.7% 23.5% 17.3% 26
Dec 2025 21.0% 23.9% 15.2% 15
Nov 2025 25.4% 28.3% 22.1% 41
Oct 2025 27.6% 32.7% 22.3% 68
Sep 2025 22.8% 25.1% 20.3% 24
Aug 2025 23.3% 27.6% 20.6% 11
Jul 2025 26.9% 30.5% 24.1% 22
Jun 2025 24.2% 25.4% 22.3% 12
May 2025 25.2% 30.5% 21.0% 14
Apr 2025 33.9% 48.0% 27.1% 52
Mar 2025 26.6% 33.3% 22.1% 26
Feb 2025 30.9% 36.6% 24.9% 52
Jan 2025 25.2% 28.2% 22.5% 34
Dec 2024 25.3% 29.6% 23.0% 38
Nov 2024 27.9% 39.4% 22.5% 50
Oct 2024 29.9% 39.3% 21.7% 85
Sep 2024 23.2% 29.1% 18.5% 50
Aug 2024 21.1% 29.7% 16.8% 29
Jul 2024 24.0% 25.7% 21.4% 51
Jun 2024 21.7% 23.2% 17.9% 24
May 2024 22.5% 26.6% 19.4% 28
Apr 2024 26.5% 30.0% 22.3% 67
Mar 2024 23.5% 26.1% 20.1% 39
Feb 2024 25.9% 29.6% 21.5% 39
Jan 2024 23.8% 29.1% 21.2% 29
Dec 2023 22.6% 25.7% 18.9% 24
Nov 2023 24.7% 27.7% 20.6% 35
Oct 2023 32.0% 36.9% 27.2% 86
Sep 2023 23.0% 28.6% 18.2% 43
Aug 2023 22.9% 27.5% 18.9% 42
Jul 2023 25.0% 28.6% 21.3% 54
Jun 2023 23.1% 28.7% 15.2% 37
May 2023 26.7% 33.4% 19.3% 58

SUI IV rank: last 30 sessions

DateIV Rank (90-session)30-Day ATM IV7-Day ATM IV
2026-10-21 62 25.1% —
2026-10-20 44 23.3% —
2026-10-19 41 23.0% —
2026-10-16 56 24.5% —
2026-10-15 67 25.6% —
2026-10-14 18 20.7% 31.1%
2026-10-13 45 23.4% 42.8%
2026-10-12 24 21.3% 26.7%
2026-10-09 13 20.3% 20.0%
2026-10-08 15 20.4% 28.2%
2026-10-07 0 19.0% 30.9%
2026-10-06 55 24.5% 24.0%
2026-10-05 61 25.0% 25.8%
2026-10-02 58 24.8% 24.2%
2026-10-01 63 25.2% 25.1%
2026-09-30 41 23.2% 18.8%
2026-09-29 38 22.8% 20.1%
2026-09-28 39 23.0% 21.7%
2026-09-25 39 23.0% 21.7%
2026-09-24 66 25.5% —
2026-09-23 46 23.6% —
2026-09-22 32 22.3% —
2026-09-21 36 22.7% —
2026-09-18 32 22.3% —
2026-09-17 46 23.7% —
2026-09-16 38 22.8% 27.9%
2026-09-15 41 23.1% 36.6%
2026-09-14 43 23.3% 28.8%
2026-09-11 61 25.1% 27.3%
2026-09-10 69 25.9% 26.0%

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.