Short Selling

Taiwan FINI Registration: How Foreign Investors Access TWSE Stocks

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Foreign investors cannot simply open a Taiwan brokerage account the way locals do: you must first register with the TWSE as a FINI or FIDI — a filing handled through a locally appointed agent, which under current TWSE account-opening rules can be a securities broker or a custodian bank — and only then open a local broker account. Custody arrangements depend on your circumstances. Here is each step, what differs for individuals versus institutions, and the ADR/ETF alternatives if you skip it.

TAIEX Hits Record 46,402 Intraday, Then Reverses — Foreign Investors Finish NT$45.4B Net Buyers

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Taiwan’s TAIEX touched an all-time intraday high of 46,402.60 before afternoon selling in TSMC and the electronics heavyweights dragged it down 0.46% to 45,811.01. Despite the reversal, foreign investors finished the session as net buyers of NT$45.35 billion in the cash market, on NT$1.06 trillion turnover.

TAIFEX Foreign Net Open Interest & Put/Call Ratio: Reading Taiwan Futures Positioning

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TAIFEX publishes foreign investors’ net open interest in TAIEX futures and the options put/call OI ratio every trading day — but a large negative net OI is usually a hedge, not a bearish bet. Here is how to read both gauges, with a worked example from real August 2026 data, the practitioner heuristics and their limits, and the divergences that matter.

TAIEX Slips 0.5% as Chip Heavyweights Cool After Record Rally; Trusts Keep Buying

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Taiwan’s TAIEX fell 0.48% to 44,396.70 on Thursday as TSMC and MediaTek gave back part of Wednesday’s 1,250-point surge. Investment trusts bought NT$8.86B while foreigners were marginal net buyers in the cash market; rotation lifted memory and cooling names even as the heavyweights sagged.

TAIEX Surges 2.88% to 44,611 as Foreign Investors Pour NT$90 Billion Into Taiwan Chips

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Taiwan’s benchmark jumped 1,250.94 points on Wednesday as a record-setting Wall Street session and a 6.5% surge in the Philadelphia Semiconductor Index lit up the AI hardware complex. Foreign investors bought NT$90.31 billion of cash equities — the day’s defining number.

TSMC Slides 2.11% but Broad Semis Rally 1.37% — Trusts Buy Big, Foreigners Sell

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Taipei, Aug 4: closing prints conflict — our quote feed shows the TAIEX at 43,360.66 (+0.56%) while media reports put the close at 43,289 (-0.22%) — but the rotation was unambiguous. TSMC fell 2.11% as the semiconductor sub-index rose 1.37%, investment trusts bought NT$25.27B against NT$5.73B of foreign selling, and the TWD softened to 32.41.

Taiwan’s ‘Three Institutional Investors’ Data: A Reader’s Guide

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Every Taipei trading day ends with one release that sets the next morning’s narrative: the three institutional investors report. Here is what foreign investors, investment trusts, and dealers each represent, how to read net buy/sell streaks and per-stock T86 data, and how to cross-check cash flows against TAIFEX futures positioning before drawing conclusions.