Sungsoo Na
COO & CCO at teko
Financial executive with over 18 years of experience across equity derivatives, structured products, tokenized securities, and fintech in South Korea, Hong Kong, and Vietnam. Former CEO of Vina Securities JSC (2020–2024) and former Institutional Equity Division executive at Morgan Stanley (2014–2019), holding a Ph.D. in Financial Engineering from North Carolina State University.
Academic Background & Executive Credentials
- •Ph.D. in Financial Engineering, North Carolina State University
- •Fund Management License — State Securities Commission of Vietnam (SSC)
- •Certified Derivatives Investment Advisor — Korea Financial Investment Association (KOFIA)
- •Former Chief Executive Officer (CEO), Vina Securities JSC (2020–2024)
- •Former Executive, Institutional Equity Division, Morgan Stanley (2014–2019)
- •Former Adjunct Professor, Yonsei University (2012–2020)
Published Research by Sungsoo Na (90)
E1VFVN30, FUEVFVND, FUESSVFL on 26 Oct 2026: Price Action, VWAP and Premium/Discount Spread
ETF Price & VWAP Recap — Oct 26, 2026: E1VFVN30, FUEVFVND, FUESSVFL in Focus
ETF Recap – October 26, 2026: Price & VWAP Moves in E1VFVN30, FUEVFVND, FUESSVFL
Vietnam ETF Market Recap — Session 26/10/2026: Prices, VWAP, Liquidity and Foreign Net Flows on HOSE
ETF Price and VWAP Moves on October 26, 2026: E1VFVN30, FUEVFVND, FUESSVFL in Focus
ETF Price & VWAP Moves on 26/10/2026: How Did E1VFVN30, FUEVFVND and FUESSVFL Trade?
ETF Price & VWAP on 26/10/2026: How Did E1VFVN30, FUEVFVND and FUESSVFL Move?
E1VFVN30, FUEVFVND, FUESSVFL: Price Moves and VWAP on 26/10/2026
Vietnam ETF Market Recap – Session 26/10/2026: Foreign Net Flows, VWAP and Liquidity Across VN30 & Diamond ETFs
E1VFVN30, FUEVFVND, FUESSVFL on 26 Oct 2026: Price Action, VWAP and NAV Premium/Discount
ETF Price & VWAP Recap — 26 Oct 2026: E1VFVN30, FUEVFVND, FUESSVFL Premium/Discount and Foreign Flows
ETF Price and VWAP Moves on 23/10/2026: E1VFVN30, FUEVFVND, FUESSVFL
Vietnam ETF Weekly Report (23/10/2026): Foreign Flows on HOSE and Performance Across 26 ETFs
Vietnam ETF Session Recap 23/10/2026: E1VFVN30, FUEVFVND, FUESSVFL — Price Action, VWAP and NAV Deviation
Vietnam ETF Market Recap — Session 23/10/2026: Liquidity, VWAP and Foreign Net Flows on HOSE
ETF Session Recap, Oct 23 2026: E1VFVN30, FUEVFVND & FUESSVFL — Price Action, VWAP and NAV Gap
Foreign Flows Through Vietnam ETFs in October 2026: VWAP, AUM and the FPT–Bank Weight Shift in VN30 vs VN Diamond
E1VFVN30, FUEVFVND & FUESSVFL on Oct 23, 2026: Price Action, VWAP and NAV Deviation
Vietnam's 6 Largest ETFs Compared (Oct 2026): 1-Day to YTD Performance, Foreign Flows and AUM — Is Diamond Still Leading?
Vietnam ETF Market Recap — Session 23/10/2026: Key ETF Moves and Capital Flows
Vietnam ETF Market — Session 23/10/2026 Overview
VN30 vs. VN Diamond: Comparing ETF Strategies and Tracking Error Risk in Vietnam's 2026 Market
Vietnam ETF Market Recap – Session 22/10/2026: Key ETF Moves and Notable Fund Flows
VN30 vs VN Diamond ETFs: Which Strategy Is Capturing Capital Flows?
Vietnam ETF Market Recap – October 21, 2026: Major ETF Moves and Notable Flows
VN30 vs VN Diamond: Which Strategy Is Capturing Flows and Who Carries the Higher Tracking Error?
Vietnam ETF Market Recap – Session of Oct 20, 2026: Key ETF Moves and Notable Money Flows
VN30 vs VN Diamond ETFs in Vietnam: Strategy, Liquidity and Tracking Error Compared
Vietnam ETF Market Recap – 19/10/2026 Session: Key Fund Moves and Notable Flows
VNM ETF and the Frontier-to-Emerging Journey: What It Means for Investors
Vietnam ETF Weekly Report – Week Ending 16/10/2026: Fund Flows and Index ETF Performance
VN30 vs VN Diamond: Strategy, Tracking Error and Where ETF Flows Are Heading
Vietnam ETF Market — Session 16/10/2026 Overview
Vietnam ETF Comparison 2026: Which ETF Leads YTD and Which Is Least Risky?
VN30 vs VN Diamond in October 2026: Long-Term Fund Flows and the Tracking Error Challenge in Vietnam's Domestic ETFs
Vietnam ETF Market — Session 15/10/2026 Overview
VN30 vs VN Diamond: ETF Fund Flows and Tracking Error Risk — October 2026
Vietnam ETF Market Recap — Session of October 14, 2026: Moves in Major ETFs and Notable Flows
VN30 vs VN Diamond ETF Strategies: Performance, Capital Flows and Tracking Error Risk Today
Vietnam ETF Market Recap – Session of October 13, 2026: Key Domestic and Foreign ETF Moves
VN30 vs VN Diamond ETFs: Strategy, Tracking Error and Fund Flow Comparison in the 2026 Market
Vietnam ETF Market — Session 12/10/2026 Overview
Vietnam ETF Weekly Report — Week Ending 09/10/2026: Flows and Performance
VN30 vs VN Diamond ETFs: Tracking Error, Holding Cost and Fund Flows (October 2026)
Vietnam ETF Market — Session 09/10/2026 Overview
Vietnam ETF Comparison 2026: Which ETF Leads YTD and Which Is the Least Risky?
E1VFVN30 vs FUEVFVND: VN30 vs VN Diamond Strategy Comparison with Tracking Error Data — October 2026
Vietnam ETF Market Recap – Session 08/10/2026: Key Funds, Prices and Flows
Vietnam ETF Market Recap — Session 07/10/2026: Closing Prices, Liquidity and Foreign Flows
VN30 vs VN Diamond ETF: Chiến lược nào đang hút dòng tiền tháng 10/2026?
Vietnam ETF Market — Session 06/10/2026 Overview
VN30 vs VN Diamond: Which Strategy Is ETF Money Flowing Into in Vietnam?
Vietnam ETF Market Recap — Session 05/10/2026: Price Action, Liquidity and Fund Flows
What Is Smart Beta? The ETF Strategy Between Passive and Active Investing
Weekly ETF Report for the Week Ended 02/10/2026: Performance and Flows of Key HOSE ETFs
VN30 vs VN Diamond ETF Strategies: Which Fits Vietnam's 2026 Portfolio?
ETF Market Recap — Session of October 2, 2026: Prices, Liquidity and Flows Across Key Funds
Vietnam ETF Comparison October 2026: Who Leads YTD and Which Is the Least Risky?
ETF Tracking Error in Vietnam: Why Real NAV Diverges from VN30 and VN Diamond
Vietnam ETF Market — Session 01/10/2026 Overview
VN30 vs VN Diamond: Comparing the Two ETF Strategies Driving Capital Flows in Q4 2026
Vietnam ETF Market Recap – Session 30/09/2026: Key ETFs on HOSE
VN30 vs VN Diamond: Which Strategy Is Driving Vietnamese ETF Flows in Late 2026?
Vietnam ETF Market — Session 29/09/2026 Overview
VN30 vs VN Diamond: Which ETF Strategy Is Leading Vietnamese Fund Flows in September 2026?
Vietnam ETF Market — Session 28/09/2026 Overview
E1VFVN30 — A Decade in Review: From IPO to Vietnam's Top ETF
ETF Weekly Report (Week Ended 25/09/2026): Performance of Key ETFs and 5-Session Fund Flows
VN30 vs VN Diamond ETFs: Comparing Flows, Performance and Tracking Error Risk in Vietnam's 2026–2027 Cycle
Vietnam ETF Market Recap — Session 25/09/2026: VN30 and VNDIAMOND Funds in Focus
Vietnam ETF Comparison 2026: Which ETF Leads YTD and Which Is Least Risky?
In-depth Analysis: VN30 vs VN Diamond ETFs — Which Strategy Leads Capital Flows in 2026?
Vietnam ETF Market Recap — Session 24/09/2026: E1VFVN30, FUEVFVND, FUESSV30 Price Action and Foreign Flows
VN30 vs VN Diamond ETFs: Strategy Comparison and Tracking Error Risk as Foreign Flows Return
VN30 vs VN Diamond: Comparing Performance, Fund Flows and Tracking Error of Vietnam Index ETFs
Vietnam ETF Market — Session 22/09/2026 Overview
VN30 vs VN Diamond: Money Flow and Tracking Error Analysis of Vietnam ETFs (September 2026)
Vietnam ETF Market — Session 21/09/2026 Overview
ETF Weekly Report — Week Ending 18/09/2026: Flows and Performance of Key ETFs
E1VFVN30 vs FUEVFVND: VN30 vs VN Diamond Strategy, Fund Flows and Tracking Error Risk
Vietnam ETF Market Recap — Session 18/09/2026: E1VFVN30, FUEVFVND and Foreign Fund Flows
Vietnam ETF Comparison: Which Fund Leads YTD and Which Is Least Risky?
Vietnam ETF Market Recap — Session 17/09/2026: E1VFVN30, FUEVFVND, FUESSV30 & VNM ETF
VN30 vs VN Diamond ETFs: Where Is the Money Flowing and Who Tracks the Index Better?
Vietnam ETF Market Recap — Session 16/09/2026: E1VFVN30, FUEVFVND, FUESSV30 Moves and Liquidity
VN30 vs VN Diamond ETFs in Vietnam: Strategy, Long-Term Cash Flow and Tracking Error Risk Analysis
Vietnam ETF Market — Session 15/09/2026 Overview
VN30 vs VN Diamond ETF Comparison: Which Strategy Wins in September 2026?
ETF Market Recap for September 14, 2026: Trading Session Highlights
ETF Weekly Report Ending September 11, 2026: Foreign Capital Flows and Fund Performance Highlights