What is the VN30 futures basis?

The basis is the front-month VN30F futures price minus the VN30 cash index. A positive basis (contango) means futures trade above the index; a negative basis (backwardation) means below. Sóng shows it in points and as a percentage.

How is the VN30 basis calculated here?

Basis = VN30F1M minus VN30 cash, using delayed end-of-day levels for the VN30 index and the front-month VN30F contract on HOSE.

What is the VN30F roll?

The roll is the next-month futures price minus the front-month (VN30F2M minus VN30F1M). It hints at the cost of rolling exposure to the later contract as the front contract nears its third-Thursday expiry.

Is the VN30 data real-time?

No. Sóng shows delayed, end-of-day figures for Vietnamese stocks. It is descriptive market-structure analytics, not investment advice or a live trading feed.

Vietnam board (VN30)

A delayed, end-of-day snapshot of the VN30 on HOSE, shown the way a Vietnamese price board reads. Analytics, not advice.

Daily recaps Strategy performance

VN30 index & futures

End of day 2026-08-11

Cash indices with the VN30 futures basis and roll. Delayed end-of-day; market structure, not advice.

VN-Index

Index

1,773.41

-3.36 (-0.19%)

VN30

Index

1,922.53

-2.65 (-0.14%)

VN30F (front month)

Futures

1,924.00

-4.60 (-0.24%)

VN30F (next month)

Futures

1,922.00

-1.10 (-0.06%)

Basis

Premium (contango)

+1.47(+0.08%)

VN30F (front) − VN30 cash

Roll

-2.00

VN30F (next) − VN30F (front)

Front VN30F expires Aug 20 (9 days)

Basis is the futures premium or discount to cash: a read on positioning and structure, not a buy or sell signal.

End of day 2026-08-11

Advancers

Decliners

Unchanged

At ceiling

At floor

Avg change

-0.50%

Top gainer

VTP

+2.06%

Top loser

GAS

-2.88%

Most active

SHB

34,532,828

Reference Up Down Ceiling Floor

HOSE · band +/-7%

Symbol	Ref	Price	Change	Ceiling	Floor	Volume
ACBNgan hang ACB	22.65	22.65	0.00%	24.20	21.10	9,772,300
BCMBecamex IDC	41.30	41.15	-0.36%	44.15	38.45	1,901,991
BIDBIDV	39.50	39.10	-1.01%	42.25	36.75	4,840,264
BVHBao Viet	67.50	66.00	-2.22%	72.20	62.80	367,496
CTGVietinBank	32.80	32.30	-1.52%	35.05	30.55	7,737,700
FPTFPT	71.80	71.20	-0.84%	76.80	66.80	6,962,033
GASPV Gas	79.80	77.50	-2.88%	85.30	74.30	1,561,812
GVRCao su Viet Nam	31.80	31.40	-1.26%	34.00	29.60	2,519,084
HDBHDBank	26.95	26.90	-0.19%	28.80	25.10	8,302,301
HPGHoa Phat	22.10	22.05	-0.23%	23.60	20.60	13,721,079
MBBMB Bank	20.20	20.35	+0.74%	21.60	18.80	18,802,529
MSNMasan Group	67.70	67.10	-0.89%	72.40	63.00	2,880,337
MWGThe Gioi Di Dong	73.00	73.20	+0.27%	78.10	67.90	3,127,166
PLXPetrolimex	37.50	36.60	-2.40%	40.10	34.90	3,517,294
POWPV Power	13.85	13.75	-0.72%	14.80	12.90	5,551,696
SABSabeco	46.50	45.65	-1.83%	49.75	43.25	551,239
SHBNgan hang SHB	12.00	11.90	-0.83%	12.80	11.20	34,532,828
SSBSeABank	15.25	15.40	+0.98%	16.30	14.20	1,903,079
SSIChung khoan SSI	25.10	25.15	+0.20%	26.85	23.35	22,687,203
STBSacombank	74.60	74.30	-0.40%	79.80	69.40	1,544,439
TCBTechcombank	31.35	31.00	-1.12%	33.50	29.20	18,037,444
TPBTPBank	14.75	14.70	-0.34%	15.75	13.75	5,886,047
VCBVietcombank	60.30	59.80	-0.83%	64.50	56.10	4,079,923
VHMVinhomes	71.60	72.10	+0.70%	76.60	66.60	8,303,659
VIBNgan hang VIB	14.85	14.80	-0.34%	15.85	13.85	4,517,602
VICVingroup	208.50	208.50	0.00%	223.00	194.00	4,993,233
VJCVietjet Air	125.50	127.20	+1.35%	134.20	116.80	1,396,790
VNMVinamilk	62.10	62.00	-0.16%	66.40	57.80	4,486,430
VPBVPBank	25.85	25.50	-1.35%	27.65	24.05	9,997,255
VREVincom Retail	25.55	25.45	-0.39%	27.30	23.80	5,185,112

HNX · band +/-10%

Symbol	Ref	Price	Change	Ceiling	Floor	Volume
SHSChung khoan SHS	16.00	15.90	-0.62%	17.60	14.40	12,839,985
PVSPTSC	35.00	35.00	0.00%	38.50	31.50	2,231,398
CEOTap doan C.E.O	12.20	12.20	0.00%	13.40	11.00	5,329,387
IDCIDICO	34.30	34.10	-0.58%	37.70	30.90	1,162,543
MBSChung khoan MBS	19.00	18.80	-1.05%	20.90	17.10	6,783,103
VCSVicostone	33.50	33.60	+0.30%	36.80	30.20	17,441
TNGDet may TNG	17.20	17.30	+0.58%	18.90	15.50	170,343
HUTTasco	13.50	13.70	+1.48%	14.80	12.20	715,149

UPCoM · band +/-15%

Symbol	Ref	Price	Change	Ceiling	Floor	Volume
BSRLoc hoa dau Binh Son	26.60	26.05	-2.07%	30.50	22.70	8,491,736
ACVCang hang khong VN	42.30	41.40	-2.13%	48.60	36.00	611,035
VGIViettel Global	88.70	86.90	-2.03%	102.00	75.40	426,811
VEAVEAM	35.40	35.00	-1.13%	40.70	30.10	235,765
MCHMasan Consumer	136.00	136.00	0.00%	156.40	115.60	186,537
QNSDuong Quang Ngai	47.00	46.70	-0.64%	54.00	40.00	154,772
FOXFPT Telecom	65.80	66.20	+0.61%	75.60	56.00	60,402
VTPViettel Post	53.40	54.50	+2.06%	61.40	45.40	1,454,960

Delayed / end-of-day data for education and analytics. Not investment advice, and not a live trading feed.

Frequently asked questions

What is the VN30 futures basis?: The basis is the front-month VN30F futures price minus the VN30 cash index. A positive basis (contango) means futures trade above the index; a negative basis (backwardation) means below. Sóng shows it in points and as a percentage.
How is the VN30 basis calculated here?: Basis = VN30F1M minus VN30 cash, using delayed end-of-day levels for the VN30 index and the front-month VN30F contract on HOSE.
What is the VN30F roll?: The roll is the next-month futures price minus the front-month (VN30F2M minus VN30F1M). It hints at the cost of rolling exposure to the later contract as the front contract nears its third-Thursday expiry.
Is the VN30 data real-time?: No. Sóng shows delayed, end-of-day figures for Vietnamese stocks. It is descriptive market-structure analytics, not investment advice or a live trading feed.