Taiwan Semiconductor Manufacturing Co. ended the session at 429.15 USD, rising 1.68%.
The stock advanced, yet a notable large trade emerged, targeting the $380 strike with a double-long put combination despite cheap implied volatility. This bearish bet dominated the day's activity, with total bearish flow reaching $0.14 million against zero bullish large trades, signaling a clear directional conviction for a meaningful downside move.
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Options Indicators
TSM’s implied volatility is 38.89%, while its IV percentile stands at 12.75%, which places current volatility near the low end of its historical range. In other words, options are relatively cheaply priced rather than richly valued, and with the IV/HV ratio at 0.89, implied volatility is also sitting slightly below realized volatility, reinforcing the view that current option premiums are on the inexpensive side. The Call/Put volume ratio is 1.08.
Large Trades
A bearish put-buying combination with a net debit of $0.14 million stood out as the key large trade, consisting of two same-direction purchases of the August 21, 2026 $380.00 puts. With TSM referenced at $429.15, both put legs were out of the money at execution, making this a clear downside directional bet rather than an income strategy. The structure is a same-direction double-long put combination, and its net debit of $0.14 million signals premium paid to position for a meaningful decline or a sharp downside move over time, with the buyer accepting upfront cost in exchange for leveraged bearish exposure. Overall sentiment was clearly bearish. Total bullish large-trade flow was $0.00 million versus total bearish flow of $0.14 million, leaving a net difference of $0.14 million to the bearish side. With no offsetting bullish large trades and the only notable flow being a net-debit long put combination aimed at downside participation, the large-trade activity points to a distinctly negative directional view on TSM.
Strategy Reference
Given the low IV percentile, selling premium carries less reward; a bear put spread using the August 2026 $380/$350 strikes could define risk while aligning with the bearish flow, instead of outright put buying.
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