米国テック・ソフトウェアETF「IGV」でコールオプション取引量が過去最高を記録

The evidence strongly supports the statement that the call option volume for the IGV ETF reached a record level. The most direct piece of evidence comes from a financial commentary account on X, which makes the precise claim that call option volume for IGV hit a record 220,000 contracts on a specific day. While this source has moderate authority, its specific and direct claim is strongly corroborated by a highly authoritative source, Nasdaq. The Nasdaq article explicitly highlights IGV for experiencing "Unusual Volume," which aligns perfectly with a record-setting event in its options market. The combination of a specific claim from one source and a corroborating report of an anomalous event from a top-tier financial authority makes the statement highly credible. Other provided sources are either irrelevant (discussing the wrong ETF, a single put option, or general market conditions) or serve only to repeat the initial claim without adding new information. Crucially, there is no contradictory evidence among the sources provided. Therefore, the convergence of direct and corroborating evidence from relevant sources, in the absence of any refutation, leads to a high-confidence assessment that the statement is likely true.