GPU現物指数
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TKX-SPIは成約済みの1枚あたり現物価格を追跡します。実際の成約が生じるまで空欄です——出品価格は成約価格ではありません。
Why is this empty? An index of settled prices needs settled trades. TKX publishes a model's SPI only once at least 3 verified deals exist for it, with methodology version and constituents open for third-party recomputation — the same discipline as TTPI. Until then this reads Collecting, not an estimate.
推定カード価値（公開レンタル料から逆算）
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GPUカードの成約価格に公開データはありません。検証不能な数字を出す代わりに、TKXは逆算します — 現在の公開レンタル料で、このカードが自らを回収するときいくらの価値になるか。
レンタル基準（実測）
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Live rental rates per GPU-hour, measured on public marketplaces. This is a rental price, not a hardware purchase price — the two are different markets and are never mixed.
回収期間計算
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Enter a card price you were quoted; TKX computes payback against the measured rental rate. Your input stays in your browser.
決済シミュレータ
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The brokerage fee is paid by the buyer; the listed price is what the seller receives. TKX does not deduct it from the goods payment — it is invoiced after settlement.