VNEquity Research

UPCOM · Communications & Networking

TST Telecommunication Technical Service Joint Stock Company

Cổ phiếu CTCP Dịch vụ Kỹ thuật Viễn thông

Persisted research state: NONE. Research is shown only when it is backed by persisted evidence and calculations.

Browse opportunity signals Open screener

At a glance

Company at a glance

Persisted, canonical facts only. A value that is not recorded is shown as unavailable and is never estimated, substituted or shown as zero.

CompanyTelecommunication Technical Service Joint Stock Company
TickerTST
ExchangeUPCOM
IndustryCommunications & Networking
Research stateNo research available NO_RESEARCH
Research certificationNo certified research
Matched opportunity conditions0 of 5
Latest screening snapshot2026-09-25T11:36:42.700209+00:00
Latest market price2026-09-24T00:00:00+00:00
Latest fundamental period2025-12-31
Latest research reportUnavailable
Evidence records116
Source documents8

Certification reflects the repository's internal approval record on the latest persisted report. It describes publication status and provenance; it is not a rating, a forecast or investment advice.

Deterministic discovery

Opportunity signals

Browse opportunity signals

0 of 5 versioned P7D V1 conditions matched at evaluation time. Every condition is either matched, unmatched, or refused when the required evidence is missing, stale or not applicable. These are deterministic screening conditions, not investment recommendations.

No deterministic condition currently matches this company. Missing evidence fails closed and never becomes a match.

Full five-rule trace (P7D_RULES_V1)

Fundamental improvement FUNDAMENTAL_IMPROVEMENT

REFUSED

Required input pe_ttm is unavailable: PARENT_PAT_TTM_UNAVAILABLE_OR_NON_POSITIVE.

Refused: PARENT_PAT_TTM_UNAVAILABLE_OR_NON_POSITIVE

  • Growth compares the latest two compatible full years.
  • Growth is historical, not forecast growth.
  • Parent PAT growth uses the repository's existing denominator semantics: the latest full-year PARENT_PAT versus the prior full-year PARENT_PAT.
Observations (4)
InputValueStatusPeriod / freshness
market_price — OK — · CURRENT
revenue_growth -47.49% OK latest compatible full year
pat_growth 56.06% OK latest compatible full year
pe_ttm — REFUSED · PARENT_PAT_TTM_UNAVAILABLE_OR_NON_POSITIVE — · CURRENT
Thresholds
growth min percent
0
pe positive
yes
market current max hours
72.0

Cash-flow strength CASH_FLOW_STRENGTH

REFUSED

Required input fcf_proxy_yield is unavailable: TTM_OCF_OR_CAPEX_UNAVAILABLE.

Refused: TTM_OCF_OR_CAPEX_UNAVAILABLE

  • FCF Proxy Yield is a screening proxy: trailing-twelve-month operating cash flow less reported cash capital expenditure over market capitalization.
Observations (3)
InputValueStatusPeriod / freshness
market_price — OK — · CURRENT
fcf_proxy_yield — REFUSED · TTM_OCF_OR_CAPEX_UNAVAILABLE — · CURRENT
pe_ttm — REFUSED · PARENT_PAT_TTM_UNAVAILABLE_OR_NON_POSITIVE — · CURRENT
Thresholds
fcf proxy yield min percent
0
pe positive
yes
financial applicability
NON_FINANCIAL_ONLY
market current max hours
72.0

Quality at a reasonable valuation QUALITY_AT_REASONABLE_VALUATION

REFUSED

Required input pe_ttm is unavailable: PARENT_PAT_TTM_UNAVAILABLE_OR_NON_POSITIVE.

Refused: PARENT_PAT_TTM_UNAVAILABLE_OR_NON_POSITIVE

  • Operating and PAT margins are not cross-sector comparable in this screening phase.
Observations (4)
InputValueStatusPeriod / freshness
market_price — OK — · CURRENT
pat_margin -46.2178% OK FULL_YEAR 2025-12-31 · STALE
operating_margin -37.0517% OK FULL_YEAR 2025-12-31 · STALE
pe_ttm — REFUSED · PARENT_PAT_TTM_UNAVAILABLE_OR_NON_POSITIVE — · CURRENT
Thresholds
pat margin min percent
0
operating margin min percent
5
pe min exclusive
0
pe max inclusive
40
market current max hours
72.0

Valuation dislocation VALUATION_DISLOCATION

REFUSED

Historical valuation is unavailable for this company; no cross-sectional approximation is used.

Refused: HISTORICAL_PE_OBSERVATIONS_UNAVAILABLE

Observations (6)
InputValueStatusPeriod / freshness
market_price — OK — · CURRENT
historical_pe_percentile — REFUSED · HISTORICAL_PE_OBSERVATIONS_UNAVAILABLE —
historical_premium_discount — REFUSED · HISTORICAL_PE_OBSERVATIONS_UNAVAILABLE —
historical_signal — REFUSED · HISTORICAL_PE_OBSERVATIONS_UNAVAILABLE —
pe_ttm — REFUSED · PARENT_PAT_TTM_UNAVAILABLE_OR_NON_POSITIVE — · CURRENT
historical_certification — MISSING · HISTORICAL_VALUATION_UNAVAILABLE —
Thresholds
historical percentile max
25
historical signals
BELOW_HISTORY, DEEPLY_BELOW_HISTORY
historical premium discount max exclusive
0
pe positive
yes
market current max hours
72.0

Research gap RESEARCH_GAP

UNMATCHED

No quantitative signal matched, so the research gap is not actionable by this rule.

Observations (1)
InputValueStatusPeriod / freshness
research_state NONE OK — · MISSING
Thresholds
research gap states
NONE, INSUFFICIENT
requires quantitative signal
yes

Rules version P7D_RULES_V1 · snapshot built 2026-09-25 11:36:42.700209+00:00 · market freshness CURRENT · persisted research state NONE. These are deterministic screening conditions over persisted evidence, not investment recommendations, forecasts, ratings or advice.

Canonical snapshot

Screening metrics

Open screener

Values come from the persisted screening snapshot and are never recomputed in the browser. UNKNOWN or refused inputs show as “—” with their canonical reason and are never displayed as zero. OCF/PAT is expressed as a percentage of PAT (100 means 100% of PAT).

P/E (TTM, parent)— PARENT_PAT_TTM_UNAVAILABLE_OR_NON_POSITIVE
P/B (parent equity)1.7455x
Revenue growth (latest compatible FY)-47.49%
Parent PAT growth (latest compatible FY)56.06%
Operating margin (latest compatible period)-37.0517%
PAT margin (latest compatible period)-46.2178%
FCF Proxy Yield (TTM)— TTM_OCF_OR_CAPEX_UNAVAILABLE
OCF / PAT (latest compatible period)— INSUFFICIENT_PERSISTED_EVIDENCE
Market freshnessCURRENT price 2026-09-24T00:00:00+00:00
Fundamental periodthrough 2025-12-31 freshness STALE
Snapshot built at2026-09-25T11:36:42.700209+00:00 01a09a7b-90c4-7cb3-b988-f35bdb793526
Persisted research stateNONE MISSING
Historical valuation signal— not available

Snapshot refusal reasons: HISTORICAL_VALUATION_NOT_REQUESTED; INSUFFICIENT_PERSISTED_EVIDENCE; PARENT_PAT_TTM_UNAVAILABLE_OR_NON_POSITIVE; TTM_CAPEX_OR_REVENUE_UNAVAILABLE; TTM_DIVIDENDS_UNAVAILABLE; TTM_OCF_OR_CAPEX_UNAVAILABLE

Authenticated

Investor actions

Add this company to one of your existing portfolios. Actions are owner-scoped to your signed-in account. No portfolio, holding, alert or session data is rendered into this public page.

Sign in to add this company to a portfolio. Your portfolios and alerts remain private to your account.

Valuation snapshot

ssi-iboard · UPCOM · 2026-09-24T00:00:00+00:00 · retrieved 2026-09-24T11:31:33.102706+00:00 · share basis: unavailable

Price10000.000000000000 VND
Shares outstanding—
Market cap48000000000.000000000000
Market capitalization48000000000.0000
Earnings yield (TTM, parent)— PARENT_PAT_TTM_UNAVAILABLE_OR_NON_POSITIVE
P/E (TTM, parent)— PARENT_PAT_TTM_UNAVAILABLE_OR_NON_POSITIVE
P/B (parent equity)1.7455x
Dividend yield (trailing cash DPS)— DIVIDEND_PER_SHARE_UNAVAILABLE
Cash distribution yield (proxy)— TTM_DIVIDENDS_UNAVAILABLE
FCF Proxy Yield (TTM)— TTM_OCF_OR_CAPEX_UNAVAILABLE
Enterprise value— TOTAL_DEBT_UNAVAILABLE
EV/Sales (TTM)— TOTAL_DEBT_UNAVAILABLE
EV/EBIT (TTM)— TOTAL_DEBT_UNAVAILABLE
Net cash / (net debt)— TOTAL_DEBT_UNAVAILABLE
EV/EBITDA— EBITDA_NOT_REPORTED_OR_DEBT_INCOMPLETE
Historical P/E range— HISTORICAL_PRICE_HISTORY_UNAVAILABLE

Historical valuation

Point-in-time P/E uses only periods available on each trade date (publication-dated or lag-modeled); no negative earnings produce an observation.

Current P/E— HISTORICAL_PE_OBSERVATIONS_UNAVAILABLE
1Y median P/E— INSUFFICIENT_OBSERVATIONS
3Y median P/E— INSUFFICIENT_OBSERVATIONS
5Y median P/E— INSUFFICIENT_OBSERVATIONS
25th / 75th percentile P/E— / —
Min / max P/E— / —
Percentile rank— UNAVAILABLE
Premium / discount to median— UNAVAILABLE
SignalUNAVAILABLE NO_OBSERVATIONS
CertificationUNAVAILABLE NO_OBSERVATIONS
P/B history— PARENT_EQUITY_HISTORY_UNAVAILABLE
Dividend-yield history— DIVIDEND_PER_SHARE_HISTORY_UNAVAILABLE

Historical availability may be modeled from reporting-lag assumptions (NON_CERTIFIED_MODELED_AVAILABILITY). Modeled availability is labelled and is never point-in-time certified.

Notes: PROVIDER_SELECTED: dnse-chart ({'dnse-chart': 475} bars); MISSING_PERIODS: start=2021-07-16, end=2021-07-27, calendar_days=11; MISSING_PERIODS: start=2021-08-31, end=2021-09-13, calendar_days=13; MISSING_PERIODS: start=2021-09-24, end=2021-10-07, calendar_days=13; MISSING_PERIODS: start=2021-12-24, end=2022-01-10, calendar_days=17; MISSING_PERIODS: start=2022-01-26, end=2022-02-07, calendar_days=12; MISSING_PERIODS: start=2022-02-07, end=2022-02-28, calendar_days=21; MISSING_PERIODS: start=2022-03-11, end=2022-03-22, calendar_days=11; MISSING_PERIODS: start=2022-05-18, end=2022-05-30, calendar_days=12; MISSING_PERIODS: start=2022-07-22, end=2022-08-11, calendar_days=20; MISSING_PERIODS: start=2022-08-11, end=2022-08-29, calendar_days=18; MISSING_PERIODS: start=2022-09-06, end=2022-09-22, calendar_days=16; MISSING_PERIODS: start=2022-10-20, end=2023-02-16, calendar_days=119; MISSING_PERIODS: start=2023-02-16, end=2023-03-02, calendar_days=14; MISSING_PERIODS: start=2023-03-06, end=2023-04-20, calendar_days=45; MISSING_PERIODS: start=2023-06-02, end=2023-06-16, calendar_days=14; MISSING_PERIODS: start=2023-08-25, end=2023-09-08, calendar_days=14; MISSING_PERIODS: start=2023-10-06, end=2023-10-20, calendar_days=14; MISSING_PERIODS: start=2023-10-20, end=2023-11-10, calendar_days=21; MISSING_PERIODS: start=2023-11-10, end=2023-11-24, calendar_days=14; MISSING_PERIODS: start=2023-11-24, end=2023-12-15, calendar_days=21; MISSING_PERIODS: start=2023-12-22, end=2024-01-05, calendar_days=14; MISSING_PERIODS: start=2024-01-26, end=2024-02-16, calendar_days=21; MISSING_PERIODS: start=2024-02-16, end=2024-03-08, calendar_days=21; MISSING_PERIODS: start=2024-03-29, end=2024-05-03, calendar_days=35; MISSING_PERIODS: start=2024-05-17, end=2024-05-31, calendar_days=14; MISSING_PERIODS: start=2024-07-12, end=2024-08-02, calendar_days=21; MISSING_PERIODS: start=2024-08-16, end=2024-08-30, calendar_days=14; MISSING_PERIODS: start=2024-08-30, end=2024-09-13, calendar_days=14; MISSING_PERIODS: start=2024-09-20, end=2024-10-25, calendar_days=35; MISSING_PERIODS: start=2024-11-01, end=2024-11-15, calendar_days=14; MISSING_PERIODS: start=2024-11-22, end=2024-12-06, calendar_days=14; MISSING_PERIODS: start=2024-12-06, end=2024-12-20, calendar_days=14; MISSING_PERIODS: start=2024-12-20, end=2025-01-03, calendar_days=14; MISSING_PERIODS: start=2025-01-24, end=2025-02-07, calendar_days=14; MISSING_PERIODS: start=2025-02-07, end=2025-02-21, calendar_days=14; MISSING_PERIODS: start=2025-04-25, end=2025-05-09, calendar_days=14; MISSING_PERIODS: start=2025-09-26, end=2025-10-17, calendar_days=21; MISSING_PERIODS: start=2025-12-05, end=2025-12-19, calendar_days=14; MISSING_PERIODS: start=2025-12-26, end=2026-01-09, calendar_days=14; MISSING_PERIODS: start=2026-02-06, end=2026-03-06, calendar_days=28; MISSING_PERIODS: start=2026-03-06, end=2026-03-27, calendar_days=21; MISSING_PERIODS: start=2026-03-27, end=2026-04-10, calendar_days=14; MISSING_PERIODS: start=2026-04-17, end=2026-05-15, calendar_days=28; MISSING_PERIODS: start=2026-05-22, end=2026-06-05, calendar_days=14; MISSING_PERIODS: start=2026-06-12, end=2026-06-26, calendar_days=14; MISSING_PERIODS: start=2026-06-26, end=2026-07-10, calendar_days=14; MISSING_PERIODS: start=2026-07-10, end=2026-09-04, calendar_days=56; SUSPICIOUS_DISCONTINUITY: trade_date=2022-09-28, previous_close=11.000000000000, close=8.200000000000, absolute_return=0.2545454545454545454545454545; SUSPICIOUS_DISCONTINUITY: trade_date=2023-04-20, previous_close=10.400000000000, close=6.300000000000, absolute_return=0.3942307692307692307692307692; SUSPICIOUS_DISCONTINUITY: trade_date=2023-04-26, previous_close=5.200000000000, close=7.000000000000, absolute_return=0.3461538461538461538461538462; SUSPICIOUS_DISCONTINUITY: trade_date=2023-04-27, previous_close=7.000000000000, close=5.500000000000, absolute_return=0.2142857142857142857142857143; SUSPICIOUS_DISCONTINUITY: trade_date=2024-05-03, previous_close=3.900000000000, close=4.700000000000, absolute_return=0.2051282051282051282051282051; SUSPICIOUS_DISCONTINUITY: trade_date=2024-08-02, previous_close=4.100000000000, close=5.000000000000, absolute_return=0.2195121951219512195121951220; SUSPICIOUS_DISCONTINUITY: trade_date=2025-03-07, previous_close=4.300000000000, close=5.700000000000, absolute_return=0.3255813953488372093023255814; SUSPICIOUS_DISCONTINUITY: trade_date=2025-05-09, previous_close=6.300000000000, close=8.000000000000, absolute_return=0.2698412698412698412698412698; ADJUSTMENT_UNKNOWN: adjusted=False, adjustment_basis=UNKNOWN

Peer comparison

EXACT_INDUSTRY · Exact primary-industry and exchange match. · 2 compatible peer(s)

TickerPriceMarket capP/EP/BRevenue growthPAT growthMarginsFCF proxy yieldPremium / discount to peer median
PMT 8500.000000000000 VND 42500000000.000000000000 VND — PARENT_PAT_TTM_UNAVAILABLE_OR_NON_POSITIVE 0.55x 8.47% 168.62% 1.26% — TTM_OCF_OR_CAPEX_UNAVAILABLE —
VIE 6800.000000000000 VND 34416459200.000000000000 VND — PARENT_PAT_TTM_UNAVAILABLE_OR_NON_POSITIVE — PARENT_EQUITY_UNAVAILABLE 52.89% -85.09% 0.18% — TTM_OCF_OR_CAPEX_UNAVAILABLE —

Peer median P/E: — INSUFFICIENT_COMPATIBLE_PEERS (0 compatible observations, 2 excluded)

Excluded: ONE (NO_COMPATIBLE_CLASSIFICATION); POT (NO_COMPATIBLE_CLASSIFICATION); SAM (NO_COMPATIBLE_CLASSIFICATION); SMT (NO_COMPATIBLE_CLASSIFICATION); UNI (NO_COMPATIBLE_CLASSIFICATION); VTC (NO_COMPATIBLE_CLASSIFICATION)

comparison inputs, not causal conclusions: revenue_growth_percent, pat_growth_percent, net_margin_percent, price_to_book

NO RESEARCH YET

Start with the evidence.

This company is searchable, but no persisted report exists. Start a run to build one from the available source documents.

Operator tooling

Internal research operations, separate from investor actions. The operator watchlist is not a customer watchlist, and PDF export generation requires the internal operator key. Permissions are unchanged.

Research run

Operator watchlist