SharpeIQ Research

30-day ATM IV movers

Top 10 expansions and crushes in IBKR's constant-maturity ~30-day ATM series — the same print as the earnings table. The earnings premium and the front-week crush live in a different number; a name can drop 12 points here and 55 on the weeklies. IV as of Nov 10, 2026.

US equity movers → · Commodities →

IV expanders

Ticker	Company	IV	30d ATM
CVBF	Cvb Financial Corp	91.4%	+62.9pt
CDP	Copt Defense Properties	71.3%	+27.3pt
BOBS	Bob'S Discount Furniture, Inc.	98.1%	+26.0pt
BEAM	Beam Therapeutics Inc.	94.1%	+25.2pt
CLMT	Calumet, Inc. /De	71.8%	+23.8pt
DNLI	Denali Therapeutics Inc.	67.0%	+17.3pt
CRDO	Credo Technology Group Holding Ltd	110.3%	+14.0pt
DAN	Dana Inc	63.5%	+14.0pt
DNN	Denison Mines Corp.	77.0%	+13.8pt
DX	Dynex Capital Inc	37.3%	+13.5pt

IV crushers

Ticker	Company	IV	30d ATM
ACAD	Acadia Pharmaceuticals Inc	40.5%	-61.9pt
CBSH	Commerce Bancshares Inc /Mo/	23.0%	-30.5pt
AAON	Aaon, Inc.	71.3%	-25.4pt
ALM	Almonty Industries Inc.	83.3%	-22.2pt
DV	Doubleverify Holdings, Inc.	15.4%	-20.2pt
CWT	California Water Service Group	30.3%	-18.9pt
AMRX	Amneal Pharmaceuticals, Inc.	35.6%	-16.0pt
DRS	Leonardo Drs, Inc.	41.0%	-14.3pt
CUZ	Cousins Properties Inc	69.2%	-14.3pt
ALGM	Allegro Microsystems, Inc.	76.0%	-12.2pt

IV expanders

Ticker	Company	IV	30d ATM
CVBF	Cvb Financial Corp	91.4%	+64.1pt
CUZ	Cousins Properties Inc	69.2%	+37.1pt
CGON	Cg Oncology, Inc.	158.3%	+27.9pt
BEAM	Beam Therapeutics Inc.	94.1%	+25.4pt
CRDO	Credo Technology Group Holding Ltd	110.3%	+18.9pt
DX	Dynex Capital Inc	37.3%	+15.9pt
BOBS	Bob'S Discount Furniture, Inc.	98.1%	+14.6pt
CIFR	Cipher Digital Inc.	131.0%	+13.7pt
AVAV	Aerovironment Inc	80.6%	+13.5pt
CDP	Copt Defense Properties	71.3%	+13.3pt

IV crushers

Ticker	Company	IV	30d ATM
DOCS	Doximity, Inc.	43.5%	-50.2pt
ARX	Accelerant Holdings	4.6%	-43.6pt
DV	Doubleverify Holdings, Inc.	15.4%	-39.2pt
APP	Applovin Corp	54.9%	-35.7pt
CWT	California Water Service Group	30.3%	-35.2pt
COMP	Compass, Inc.	57.8%	-28.3pt
DDOG	Datadog, Inc.	62.4%	-23.6pt
DAVE	Dave Inc./De	71.6%	-22.2pt
ADMA	Adma Biologics, Inc.	48.7%	-21.9pt
BROS	Dutch Bros Inc.	48.4%	-21.8pt

IV expanders

Ticker	Company	IV	30d ATM
ABEV	Ambev S.A.	95.4%	+65.1pt
CVBF	Cvb Financial Corp	91.4%	+64.5pt
CRWV	Coreweave, Inc.	122.1%	+49.9pt
CORT	Corcept Therapeutics Inc	104.3%	+45.6pt
CGON	Cg Oncology, Inc.	158.3%	+41.1pt
CDP	Copt Defense Properties	71.3%	+39.7pt
CUZ	Cousins Properties Inc	69.2%	+38.3pt
CIFR	Cipher Digital Inc.	131.0%	+37.8pt
DELL	Dell Technologies Inc.	91.8%	+34.6pt
CRDO	Credo Technology Group Holding Ltd	110.3%	+31.8pt

IV crushers

Ticker	Company	IV	30d ATM
CCC	Ccc Intelligent Solutions Holdings Inc.	18.1%	-82.5pt
BRZE	Braze, Inc.	9.8%	-47.6pt
ADT	Adt Inc.	3.2%	-37.1pt
DOCS	Doximity, Inc.	43.5%	-36.7pt
CART	Maplebear Inc.	16.8%	-31.8pt
AXGN	Axogen, Inc.	51.9%	-30.2pt
CPRI	Capri Holdings Ltd	42.2%	-25.7pt
AMRX	Amneal Pharmaceuticals, Inc.	35.6%	-23.8pt
CVNA	Carvana Co.	55.7%	-22.7pt
CHTR	Charter Communications, Inc. /Mo/	55.9%	-21.9pt

IV expanders

Ticker	Company	IV	30d ATM
CGON	Cg Oncology, Inc.	158.3%	+76.0pt
CRWV	Coreweave, Inc.	122.1%	+70.3pt
ABEV	Ambev S.A.	95.4%	+64.6pt
CVBF	Cvb Financial Corp	91.4%	+61.1pt
CORT	Corcept Therapeutics Inc	104.3%	+57.0pt
BUSE	First Busey Corp /Nv/	74.6%	+48.6pt
CUZ	Cousins Properties Inc	69.2%	+41.4pt
CAI	Caris Life Sciences, Inc.	96.7%	+40.0pt
CORZ	Core Scientific, Inc./Tx	86.5%	+34.1pt
APLD	Applied Digital Corp.	102.5%	+32.4pt

IV crushers

Ticker	Company	IV	30d ATM
ARX	Accelerant Holdings	4.6%	-82.5pt
BRZE	Braze, Inc.	9.8%	-71.0pt
AKR	Acadia Realty Trust	120.0%	-46.5pt
CCC	Ccc Intelligent Solutions Holdings Inc.	18.1%	-41.1pt
AUB	Atlantic Union Bankshares Corp	40.5%	-40.2pt
BILL	Bill Holdings, Inc.	41.3%	-31.6pt
CBC	Central Bancompany, Inc.	30.0%	-29.4pt
AQN	Algonquin Power & Utilities Corp.	53.8%	-26.4pt
ADT	Adt Inc.	3.2%	-26.0pt
AAP	Advance Auto Parts Inc	47.9%	-23.6pt

Change is in volatility points over 1 / 5 / 21 / 63 trading days, not a front-expiry straddle. Same liquidity gates as the equity board. Not investment advice.