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 2026-09-18

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

VN-Index

Index

1,815.66

-7.11 (-0.39%)

VN30

Index

1,964.17

-10.84 (-0.55%)

VN30F (front month)

Futures

1,970.00

-5.50 (-0.28%)

VN30F (next month)

Futures

1,979.00

+2.00 (+0.10%)

Basis

Contango

+5.83(+0.30%)

VN30F (front) − VN30 cash· +4.06%/yr annualized

Roll

+9.00

VN30F (next) − VN30F (front)

Front VN30F expires Oct 15 (27 days)

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

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End of day 2026-09-18

Advancers

Decliners

Unchanged

At ceiling

At floor

Avg change

-0.37%

Top gainer

SSB

+2.77%

Top loser

ACB

-3.95%

Most active

SHB

51,778,900

Reference Up Down Ceiling Floor

HOSE · band +/-7%

Symbol	Ref	Price	Change	Ceiling	Floor	Volume
ACBNgan hang ACB	22.80	21.90	-3.95%	24.35	21.25	10,475,900
BCMBecamex IDC	40.45	40.25	-0.49%	43.25	37.65	312,500
BIDBIDV	36.70	35.75	-2.59%	39.25	34.15	12,526,600
BVHBao Viet	69.40	68.50	-1.30%	74.20	64.60	682,600
CTGVietinBank	31.40	30.25	-3.66%	33.55	29.25	14,170,000
FPTFPT	74.30	71.70	-3.50%	79.50	69.10	15,500,700
GASPV Gas	88.60	88.00	-0.68%	94.80	82.40	1,412,000
GVRCao su Viet Nam	32.20	31.90	-0.93%	34.45	29.95	1,788,700
HDBHDBank	27.60	27.50	-0.36%	29.50	25.70	25,719,400
HPGHoa Phat	21.20	21.55	+1.65%	22.65	19.75	31,124,900
MBBMB Bank	20.55	19.90	-3.16%	21.95	19.15	16,843,700
MSNMasan Group	67.70	68.40	+1.03%	72.40	63.00	7,484,800
MWGThe Gioi Di Dong	73.10	72.50	-0.82%	78.20	68.00	1,909,000
PLXPetrolimex	37.80	37.40	-1.06%	40.40	35.20	5,491,800
POWPV Power	12.60	12.60	0.00%	13.45	11.75	4,205,800
SABSabeco	44.30	44.30	0.00%	47.40	41.20	297,800
SHBNgan hang SHB	11.60	11.80	+1.72%	12.40	10.80	51,778,900
SSBSeABank	23.45	24.10	+2.77%	25.05	21.85	11,734,500
SSIChung khoan SSI	21.15	21.40	+1.18%	22.60	19.70	36,400,100
STBSacombank	76.20	78.20	+2.62%	81.50	70.90	5,077,900
TCBTechcombank	32.65	31.60	-3.22%	34.90	30.40	15,676,600
TPBTPBank	14.05	14.10	+0.36%	15.00	13.10	6,855,800
VCBVietcombank	59.60	59.90	+0.50%	63.70	55.50	10,362,600
VHMVinhomes	71.30	71.00	-0.42%	76.20	66.40	18,774,600
VIBNgan hang VIB	13.60	13.60	0.00%	14.55	12.65	4,222,400
VICVingroup	241.20	241.20	0.00%	258.00	224.40	13,251,500
VJCVietjet Air	126.80	129.00	+1.74%	135.60	118.00	2,012,700
VNMVinamilk	60.20	61.20	+1.66%	64.40	56.00	4,517,300
VPBVPBank	28.20	27.45	-2.66%	30.15	26.25	49,102,400
VREVincom Retail	25.80	25.50	-1.16%	27.60	24.00	7,567,800

HNX · band +/-10%

Symbol	Ref	Price	Change	Ceiling	Floor	Volume
SHSChung khoan SHS	14.30	14.40	+0.70%	15.70	12.90	6,546,700
PVSPTSC	33.30	33.30	0.00%	36.60	30.00	2,163,600
CEOTap doan C.E.O	11.80	11.50	-2.54%	12.90	10.70	7,565,000
IDCIDICO	32.00	32.20	+0.62%	35.20	28.80	999,800
MBSChung khoan MBS	16.80	17.00	+1.19%	18.40	15.20	2,998,800
VCSVicostone	31.20	31.30	+0.32%	34.30	28.10	20,800
TNGDet may TNG	16.20	16.50	+1.85%	17.80	14.60	217,000
HUTTasco	12.80	13.00	+1.56%	14.00	11.60	1,146,300

UPCoM · band +/-15%

Symbol	Ref	Price	Change	Ceiling	Floor	Volume
BSRLoc hoa dau Binh Son	30.70	30.20	-1.63%	35.30	26.10	16,845,300
ACVCang hang khong VN	39.60	39.80	+0.51%	45.50	33.70	207,600
VGIViettel Global	81.80	80.40	-1.71%	94.00	69.60	300,600
VEAVEAM	37.00	37.00	0.00%	42.50	31.50	330,000
MCHMasan Consumer	145.60	143.00	-1.79%	167.40	123.80	2,650,000
QNSDuong Quang Ngai	50.10	49.80	-0.60%	57.60	42.60	73,100
FOXFPT Telecom	60.50	60.70	+0.33%	69.50	51.50	43,000
VTPViettel Post	49.55	49.10	-0.91%	56.90	42.20	507,200

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.