BWIN · IV Rank History

The Baldwin Insurance Group, Inc. Class A Common Stock

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IV rank shows where BWIN'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.

BWIN's 30-day at-the-money implied volatility was 65.2% as of Oct 16, 2026. Its 52-week IV rank is 40 and its IV percentile is 49%: IV was lower on 49% of the past year's sessions. Over those 52 weeks it ranged from 35.3% (Oct 6, 2026) to 109.1% (Feb 19, 2026). On the 90-session window our screeners use, the IV rank is 61.

BWIN IV rank history

369 sessions

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

BWIN IV rank and implied volatility as of 2026-10-16

52-Week IV Rank

0 = year low, 100 = year high

IV Percentile

49%

of past-year sessions had lower IV

90-Session IV Rank

used by our screeners

30-Day ATM IV

65.2%

1-year average 66.1%

52-Week IV High

109.1%

2026-02-19

52-Week IV Low

35.3%

2026-10-06

History Since

2025-04-07

369 sessions

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

BWIN implied volatility by month

Month	Avg ATM IV	High	Low	Avg IV Rank (90-session)
Oct 2026 (to date)	58.2%	70.1%	35.3%	44
Sep 2026	55.8%	64.0%	43.9%	30
Aug 2026	55.1%	63.1%	43.5%	26
Jul 2026	66.2%	80.8%	50.4%	48
Jun 2026	69.8%	84.6%	50.5%	38
May 2026	66.1%	83.0%	46.0%	29
Apr 2026	75.2%	86.2%	66.5%	43
Mar 2026	74.1%	90.3%	66.8%	45
Feb 2026	81.1%	109.1%	59.4%	67
Jan 2026	63.0%	71.4%	53.1%	39
Dec 2025	62.0%	77.2%	50.6%	37
Nov 2025	59.8%	83.9%	45.7%	32
Oct 2025	68.0%	89.6%	54.8%	74
Sep 2025	53.3%	59.9%	48.3%	49
Aug 2025	51.5%	63.6%	46.4%	33
Jul 2025	55.4%	63.1%	48.5%	47
Jun 2025	49.1%	53.7%	42.7%	21
May 2025	53.8%	64.5%	46.7%	19
Apr 2025	64.3%	69.5%	60.4%	—

BWIN IV rank: last 30 sessions

Date	IV Rank (90-session)	30-Day ATM IV	7-Day ATM IV
2026-10-16	61	65.2%	—
2026-10-15	51	60.5%	—
2026-10-13	48	59.0%	168.1%
2026-10-12	71	70.1%	86.3%
2026-10-08	69	69.1%	127.9%
2026-10-07	39	54.6%	92.0%
2026-10-06	0	35.3%	69.9%
2026-10-05	19	51.3%	84.3%
2026-10-01	37	58.6%	72.1%
2026-09-30	48	63.1%	81.6%
2026-09-29	48	63.3%	78.3%
2026-09-28	40	59.8%	71.8%
2026-09-25	50	64.0%	73.6%
2026-09-23	47	62.7%	—
2026-09-22	35	57.7%	—
2026-09-18	31	56.2%	—
2026-09-17	25	53.6%	—
2026-09-15	1	43.9%	120.3%
2026-09-14	13	49.0%	100.1%
2026-09-11	27	54.8%	70.4%
2026-09-10	38	59.2%	82.3%
2026-09-09	27	54.6%	68.9%
2026-09-08	19	51.5%	50.9%
2026-09-04	20	51.6%	50.7%
2026-09-03	18	51.0%	57.4%
2026-09-02	14	49.3%	48.2%
2026-09-01	36	58.4%	70.7%
2026-08-31	17	50.7%	43.1%
2026-08-28	48	63.1%	66.6%
2026-08-27	39	59.6%	—