這個鯨魚警報可以幫助交易者發現下一個重大交易機會。
鯨魚是擁有大量資金的實體，我們在 Benzinga 的期權活動掃描器上跟蹤他們的交易。
交易者會尋找市場對期權的估值與其正常價值嚴重偏離的情況。大量的交易活動可能會將期權價格推向誇大或低估的水平。
以下是今天交易時段內的期權活動列表：
<table>
<thead>
<tr>
<th>代碼</th>
<th>看跌/看漲</th>
<th>交易類型</th>
<th>情緒</th>
<th>到期日</th>
<th>行權價</th>
<th>總交易價格</th>
<th>未平倉合約</th>
<th>成交量</th>
</tr>
</thead>
<tbody>
<tr>
<td>TIGR</td>
<td>看跌</td>
<td>掃描</td>
<td>看跌</td>
<td>05/29/26</td>
<td>$5.50</td>
<td>$43.3K</td>
<td>1.5K</td>
<td>9.8K</td>
</tr>
<tr>
<td>TPG</td>
<td>看跌</td>
<td>交易</td>
<td>中性</td>
<td>01/21/28</td>
<td>$35.00</td>
<td>$120.8K</td>
<td>19</td>
<td>749</td>
</tr>
<tr>
<td>SOFI</td>
<td>看漲</td>
<td>交易</td>
<td>看漲</td>
<td>06/17/27</td>
<td>$40.00</td>
<td>$41.0K</td>
<td>9.6K</td>
<td>628</td>
</tr>
<tr>
<td>CM</td>
<td>看漲</td>
<td>交易</td>
<td>中性</td>
<td>09/18/26</td>
<td>$115.00</td>
<td>$249.0K</td>
<td>396</td>
<td>500</td>
</tr>
<tr>
<td>V</td>
<td>看漲</td>
<td>交易</td>
<td>看跌</td>
<td>06/18/26</td>
<td>$335.00</td>
<td>$36.1K</td>
<td>1.0K</td>
<td>400</td>
</tr>
<tr>
<td>BX</td>
<td>看跌</td>
<td>掃描</td>
<td>看漲</td>
<td>01/21/28</td>
<td>$100.00</td>
<td>$72.4K</td>
<td>1.8K</td>
<td>371</td>
</tr>
<tr>
<td>FUTU</td>
<td>看漲</td>
<td>掃描</td>
<td>看跌</td>
<td>06/18/26</td>
<td>$147.45</td>
<td>$50.2K</td>
<td>221</td>
<td>166</td>
</tr>
<tr>
<td>HOOD</td>
<td>看漲</td>
<td>交易</td>
<td>中性</td>
<td>01/21/28</td>
<td>$150.00</td>
<td>$103.3K</td>
<td>3.8K</td>
<td>117</td>
</tr>
<tr>
<td>BK</td>
<td>看跌</td>
<td>掃描</td>
<td>看跌</td>
<td>01/15/27</td>
<td>$130.00</td>
<td>$63.9K</td>
<td>119</td>
<td>80</td>
</tr>
<tr>
<td>GS</td>
<td>看跌</td>
<td>交易</td>
<td>看漲</td>
<td>12/15/28</td>
<td>$400.00</td>
<td>$53.7K</td>
<td>98</td>
<td>32</td>
</tr>
</tbody>
</table>
<h2>説明</h2>
這些詳細説明是根據附表創建的。
• 對於 TIGR (NASDAQ: TIGR)，我們注意到一個 看跌 期權 掃描，其情緒為 看跌，將在 2026 年 5 月 29 日 到期。此次事件涉及 2951 份合約，行權價為 $5.50。這個看跌期權需要分成 3 筆不同的交易才能成交。寫方（或各方）收到的總費用為 $43.3K，每份合約的價格為 $15.0。在今天之前，該行權價下有 1548 份未平倉合約，今天交易了 9821 份合約。
• 對於 TPG (NASDAQ: TPG)，我們注意到一個 看跌 期權 交易，其情緒為 中性，將在 2028 年 1 月 21 日 到期。此次事件涉及 179 份合約，行權價為 $35.00。寫方（或各方）收到的總費用為 $120.8K，每份合約的價格為 $675.0。在今天之前，該行權價下有 19 份未平倉合約，今天交易了 749 份合約。
• 對於 SOFI (NASDAQ: SOFI)，我們注意到一個 看漲 期權 交易，其情緒為 看漲，將在 2027 年 6 月 17 日 到期。此次事件涉及 500 份合約，行權價為 $40.00。寫方（或各方）收到的總費用為 $41.0K，每份合約的價格為 $82.0。在今天之前，該行權價下有 9649 份未平倉合約，今天交易了 628 份合約。
• 對於 CM (NYSE: CM)，我們注意到一個 看漲 期權 交易，其情緒為 中性，將在 2026 年 9 月 18 日 到期。此次事件涉及 500 份合約，行權價為 $115.00。寫方（或各方）收到的總費用為 $249.0K，每份合約的價格為 $498.0。在今天之前，該行權價下有 396 份未平倉合約，今天交易了 500 份合約。
• 關於 V (NYSE: V)，我們觀察到一個 看漲 期權 交易，其情緒為 看跌。將在 2026 年 6 月 18 日 到期。交易方交易了 50 份合約，行權價為 $335.00。寫方（或各方）收到的總費用為 $36.1K，每份合約的價格為 $723.0。在今天之前，該行權價下有 1072 份未平倉合約，今天交易了 400 份合約。
• 關於 BX (NYSE: BX)，我們觀察到一個 看跌 期權 掃描，其情緒為 看漲。將在 2028 年 1 月 21 日 到期。交易方交易了 51 份合約，行權價為 $100.00。這個看跌期權需要分成 8 筆不同的交易才能成交。寫方（或各方）收到的總費用為 $72.4K，每份合約的價格為 $1420.0。在今天之前，該行權價下有 1898 份未平倉合約，今天交易了 371 份合約。
• 關於 FUTU (NASDAQ: FUTU)，我們觀察到一個 看漲 期權 掃描，其情緒為 看跌。將在 2026 年 6 月 18 日 到期。交易方交易了 108 份合約，行權價為 $147.45。這個看漲期權需要分成 27 筆不同的交易才能成交。寫方（或各方）收到的總費用為 $50.2K，每份合約的價格為 $465.0。在今天之前，該行權價下有 221 份未平倉合約，今天交易了 166 份合約。
• 關於 HOOD (NASDAQ: HOOD)，我們觀察到一個 看漲 期權 交易，其情緒為 中性。將在 2028 年 1 月 21 日 到期。交易方交易了 90 份合約，行權價為 $150.00。寫方（或各方）收到的總費用為 $103.3K，每份合約的價格為 $1148.0。在今天之前，該行權價下有 3829 份未平倉合約，今天交易了 117 份合約。
• 對於 BK (NYSE: BK)，我們注意到一個 看跌 期權 掃單，該掃單呈 看空 趨勢，將在 2027 年 1 月 15 日 到期，距離現在還有 242 天。此次事件涉及 68 份合約，行權價為 $130.00。該看跌期權需要拆分為 27 筆交易才能成交。寫方（或各方）收到的總成本為 $63.9K，每份合約的價格為 $940.0。在今天之前，該行權價下有 119 份未平倉合約，今天 80 份合約被買入和賣出。
• 對於 GS (NYSE: GS)，我們注意到一個 看跌 期權 交易，該交易呈 看漲 趨勢，將在 2028 年 12 月 15 日 到期，距離現在還有 942 天。此次事件涉及 28 份合約，行權價為 $400.00。寫方（或各方）收到的總成本為 $53.7K，每份合約的價格為 $1920.0。在今天之前，該行權價下有 98 份未平倉合約，今天 32 份合約被買入和賣出。
期權警報術語
- 看漲合約： 按合同規定購買股票的權利。
- 看跌合約： 按合同規定出售股票的權利。
- 到期日： 合同到期的日期。如果想要使用該合同，必須在此日期之前採取行動。
- 溢價/期權價格： 合同的價格。
欲瞭解更多信息，請閲讀 更多關於異常期權活動。
本文由 Benzinga 的自動內容引擎生成，並由編輯審核。

SOFI

老虎證券

2 倍做多 SOFI ETF - Defiance

金融業 ETF - Vanguard

金融指數 MSCI ETF - Fidelity

今天金融股票的鯨魚活動揭示了顯著的交易機會。值得注意的交易包括 TIGR 和 BK 的看跌期權、SOFI 和 BX 的看漲期權，以及 TPG 和 CM 的中性交易。數據顯示不同股票的情緒各異，交易量和行權價格都相當可觀，突顯出潛在的市場波動

This whale alert can help traders discover the next big trading opportunities.
<div class="lb-trans">這個鯨魚警報可以幫助交易者發現下一個重大交易機會。
</div>Whales are entities with large sums of money and we track their transactions here at Benzinga on our options activity scanner.
<div class="lb-trans">鯨魚是擁有大量資金的實體，我們在 Benzinga 的期權活動掃描器上跟蹤他們的交易。
</div>Traders will search for circumstances when the market estimation of an option diverges heavily from its normal worth. High amounts of trading activity could push option prices to exaggerated or underestimated levels.
<div class="lb-trans">交易者會尋找市場對期權的估值與其正常價值嚴重偏離的情況。大量的交易活動可能會將期權價格推向誇大或低估的水平。
</div>Here's the list of options activity happening in today's session:
<div class="lb-trans">以下是今天交易時段內的期權活動列表：
</div><table>
<thead>
<tr>
<th>Symbol</th>
<th>PUT/CALL</th>
<th>Trade Type</th>
<th>Sentiment</th>
<th>Exp. Date</th>
<th>Strike Price</th>
<th>Total Trade Price</th>
<th>Open Interest</th>
<th>Volume</th>
</tr>
</thead>
<tbody>
<tr>
<td>TIGR</td>
<td>PUT</td>
<td>SWEEP</td>
<td>BEARISH</td>
<td>05/29/26</td>
<td>$5.50</td>
<td>$43.3K</td>
<td>1.5K</td>
<td>9.8K</td>
</tr>
<tr>
<td>TPG</td>
<td>PUT</td>
<td>TRADE</td>
<td>NEUTRAL</td>
<td>01/21/28</td>
<td>$35.00</td>
<td>$120.8K</td>
<td>19</td>
<td>749</td>
</tr>
<tr>
<td>SOFI</td>
<td>CALL</td>
<td>TRADE</td>
<td>BULLISH</td>
<td>06/17/27</td>
<td>$40.00</td>
<td>$41.0K</td>
<td>9.6K</td>
<td>628</td>
</tr>
<tr>
<td>CM</td>
<td>CALL</td>
<td>TRADE</td>
<td>NEUTRAL</td>
<td>09/18/26</td>
<td>$115.00</td>
<td>$249.0K</td>
<td>396</td>
<td>500</td>
</tr>
<tr>
<td>V</td>
<td>CALL</td>
<td>TRADE</td>
<td>BEARISH</td>
<td>06/18/26</td>
<td>$335.00</td>
<td>$36.1K</td>
<td>1.0K</td>
<td>400</td>
</tr>
<tr>
<td>BX</td>
<td>PUT</td>
<td>SWEEP</td>
<td>BULLISH</td>
<td>01/21/28</td>
<td>$100.00</td>
<td>$72.4K</td>
<td>1.8K</td>
<td>371</td>
</tr>
<tr>
<td>FUTU</td>
<td>CALL</td>
<td>SWEEP</td>
<td>BEARISH</td>
<td>06/18/26</td>
<td>$147.45</td>
<td>$50.2K</td>
<td>221</td>
<td>166</td>
</tr>
<tr>
<td>HOOD</td>
<td>CALL</td>
<td>TRADE</td>
<td>NEUTRAL</td>
<td>01/21/28</td>
<td>$150.00</td>
<td>$103.3K</td>
<td>3.8K</td>
<td>117</td>
</tr>
<tr>
<td>BK</td>
<td>PUT</td>
<td>SWEEP</td>
<td>BEARISH</td>
<td>01/15/27</td>
<td>$130.00</td>
<td>$63.9K</td>
<td>119</td>
<td>80</td>
</tr>
<tr>
<td>GS</td>
<td>PUT</td>
<td>TRADE</td>
<td>BULLISH</td>
<td>12/15/28</td>
<td>$400.00</td>
<td>$53.7K</td>
<td>98</td>
<td>32</td>
</tr>
</tbody>
</table>
<div class="lb-trans"><table>
<thead>
<tr>
<th>代碼</th>
<th>看跌/看漲</th>
<th>交易類型</th>
<th>情緒</th>
<th>到期日</th>
<th>行權價</th>
<th>總交易價格</th>
<th>未平倉合約</th>
<th>成交量</th>
</tr>
</thead>
<tbody>
<tr>
<td>TIGR</td>
<td>看跌</td>
<td>掃描</td>
<td>看跌</td>
<td>05/29/26</td>
<td>$5.50</td>
<td>$43.3K</td>
<td>1.5K</td>
<td>9.8K</td>
</tr>
<tr>
<td>TPG</td>
<td>看跌</td>
<td>交易</td>
<td>中性</td>
<td>01/21/28</td>
<td>$35.00</td>
<td>$120.8K</td>
<td>19</td>
<td>749</td>
</tr>
<tr>
<td>SOFI</td>
<td>看漲</td>
<td>交易</td>
<td>看漲</td>
<td>06/17/27</td>
<td>$40.00</td>
<td>$41.0K</td>
<td>9.6K</td>
<td>628</td>
</tr>
<tr>
<td>CM</td>
<td>看漲</td>
<td>交易</td>
<td>中性</td>
<td>09/18/26</td>
<td>$115.00</td>
<td>$249.0K</td>
<td>396</td>
<td>500</td>
</tr>
<tr>
<td>V</td>
<td>看漲</td>
<td>交易</td>
<td>看跌</td>
<td>06/18/26</td>
<td>$335.00</td>
<td>$36.1K</td>
<td>1.0K</td>
<td>400</td>
</tr>
<tr>
<td>BX</td>
<td>看跌</td>
<td>掃描</td>
<td>看漲</td>
<td>01/21/28</td>
<td>$100.00</td>
<td>$72.4K</td>
<td>1.8K</td>
<td>371</td>
</tr>
<tr>
<td>FUTU</td>
<td>看漲</td>
<td>掃描</td>
<td>看跌</td>
<td>06/18/26</td>
<td>$147.45</td>
<td>$50.2K</td>
<td>221</td>
<td>166</td>
</tr>
<tr>
<td>HOOD</td>
<td>看漲</td>
<td>交易</td>
<td>中性</td>
<td>01/21/28</td>
<td>$150.00</td>
<td>$103.3K</td>
<td>3.8K</td>
<td>117</td>
</tr>
<tr>
<td>BK</td>
<td>看跌</td>
<td>掃描</td>
<td>看跌</td>
<td>01/15/27</td>
<td>$130.00</td>
<td>$63.9K</td>
<td>119</td>
<td>80</td>
</tr>
<tr>
<td>GS</td>
<td>看跌</td>
<td>交易</td>
<td>看漲</td>
<td>12/15/28</td>
<td>$400.00</td>
<td>$53.7K</td>
<td>98</td>
<td>32</td>
</tr>
</tbody>
</table>
</div><h2>Explanation</h2>
<div class="lb-trans"><h2>説明</h2>
</div>These itemized elaborations have been created using the accompanying table.
<div class="lb-trans">這些詳細説明是根據附表創建的。
</div>• For TIGR (NASDAQ: TIGR), we notice a put option sweep that happens to be bearish, expiring in 11 day(s) on May 29, 2026. This event was a transfer of 2951 contract(s) at a $5.50 strike. This particular put needed to be split into 3 different trades to become filled. The total cost received by the writing party (or parties) was $43.3K, with a price of $15.0 per contract. There were 1548 open contracts at this strike prior to today, and today 9821 contract(s) were bought and sold.
<div class="lb-trans">• 對於 TIGR (NASDAQ: TIGR)，我們注意到一個 看跌 期權 掃描，其情緒為 看跌，將在 2026 年 5 月 29 日 到期。此次事件涉及 2951 份合約，行權價為 $5.50。這個看跌期權需要分成 3 筆不同的交易才能成交。寫方（或各方）收到的總費用為 $43.3K，每份合約的價格為 $15.0。在今天之前，該行權價下有 1548 份未平倉合約，今天交易了 9821 份合約。
</div>• For TPG (NASDAQ: TPG), we notice a put option trade that happens to be neutral, expiring in 613 day(s) on January 21, 2028. This event was a transfer of 179 contract(s) at a $35.00 strike. The total cost received by the writing party (or parties) was $120.8K, with a price of $675.0 per contract. There were 19 open contracts at this strike prior to today, and today 749 contract(s) were bought and sold.
<div class="lb-trans">• 對於 TPG (NASDAQ: TPG)，我們注意到一個 看跌 期權 交易，其情緒為 中性，將在 2028 年 1 月 21 日 到期。此次事件涉及 179 份合約，行權價為 $35.00。寫方（或各方）收到的總費用為 $120.8K，每份合約的價格為 $675.0。在今天之前，該行權價下有 19 份未平倉合約，今天交易了 749 份合約。
</div>• For SOFI (NASDAQ: SOFI), we notice a call option trade that happens to be bullish, expiring in 395 day(s) on June 17, 2027. This event was a transfer of 500 contract(s) at a $40.00 strike. The total cost received by the writing party (or parties) was $41.0K, with a price of $82.0 per contract. There were 9649 open contracts at this strike prior to today, and today 628 contract(s) were bought and sold.
<div class="lb-trans">• 對於 SOFI (NASDAQ: SOFI)，我們注意到一個 看漲 期權 交易，其情緒為 看漲，將在 2027 年 6 月 17 日 到期。此次事件涉及 500 份合約，行權價為 $40.00。寫方（或各方）收到的總費用為 $41.0K，每份合約的價格為 $82.0。在今天之前，該行權價下有 9649 份未平倉合約，今天交易了 628 份合約。
</div>• For CM (NYSE: CM), we notice a call option trade that happens to be neutral, expiring in 123 day(s) on September 18, 2026. This event was a transfer of 500 contract(s) at a $115.00 strike. The total cost received by the writing party (or parties) was $249.0K, with a price of $498.0 per contract. There were 396 open contracts at this strike prior to today, and today 500 contract(s) were bought and sold.
<div class="lb-trans">• 對於 CM (NYSE: CM)，我們注意到一個 看漲 期權 交易，其情緒為 中性，將在 2026 年 9 月 18 日 到期。此次事件涉及 500 份合約，行權價為 $115.00。寫方（或各方）收到的總費用為 $249.0K，每份合約的價格為 $498.0。在今天之前，該行權價下有 396 份未平倉合約，今天交易了 500 份合約。
</div>• Regarding V (NYSE: V), we observe a call option trade with bearish sentiment. It expires in 31 day(s) on June 18, 2026. Parties traded 50 contract(s) at a $335.00 strike. The total cost received by the writing party (or parties) was $36.1K, with a price of $723.0 per contract. There were 1072 open contracts at this strike prior to today, and today 400 contract(s) were bought and sold.
<div class="lb-trans">• 關於 V (NYSE: V)，我們觀察到一個 看漲 期權 交易，其情緒為 看跌。將在 2026 年 6 月 18 日 到期。交易方交易了 50 份合約，行權價為 $335.00。寫方（或各方）收到的總費用為 $36.1K，每份合約的價格為 $723.0。在今天之前，該行權價下有 1072 份未平倉合約，今天交易了 400 份合約。
</div>• Regarding BX (NYSE: BX), we observe a put option sweep with bullish sentiment. It expires in 613 day(s) on January 21, 2028. Parties traded 51 contract(s) at a $100.00 strike. This particular put needed to be split into 8 different trades to become filled. The total cost received by the writing party (or parties) was $72.4K, with a price of $1420.0 per contract. There were 1898 open contracts at this strike prior to today, and today 371 contract(s) were bought and sold.
<div class="lb-trans">• 關於 BX (NYSE: BX)，我們觀察到一個 看跌 期權 掃描，其情緒為 看漲。將在 2028 年 1 月 21 日 到期。交易方交易了 51 份合約，行權價為 $100.00。這個看跌期權需要分成 8 筆不同的交易才能成交。寫方（或各方）收到的總費用為 $72.4K，每份合約的價格為 $1420.0。在今天之前，該行權價下有 1898 份未平倉合約，今天交易了 371 份合約。
</div>• Regarding FUTU (NASDAQ: FUTU), we observe a call option sweep with bearish sentiment. It expires in 31 day(s) on June 18, 2026. Parties traded 108 contract(s) at a $147.45 strike. This particular call needed to be split into 27 different trades to become filled. The total cost received by the writing party (or parties) was $50.2K, with a price of $465.0 per contract. There were 221 open contracts at this strike prior to today, and today 166 contract(s) were bought and sold.
<div class="lb-trans">• 關於 FUTU (NASDAQ: FUTU)，我們觀察到一個 看漲 期權 掃描，其情緒為 看跌。將在 2026 年 6 月 18 日 到期。交易方交易了 108 份合約，行權價為 $147.45。這個看漲期權需要分成 27 筆不同的交易才能成交。寫方（或各方）收到的總費用為 $50.2K，每份合約的價格為 $465.0。在今天之前，該行權價下有 221 份未平倉合約，今天交易了 166 份合約。
</div>• Regarding HOOD (NASDAQ: HOOD), we observe a call option trade with neutral sentiment. It expires in 613 day(s) on January 21, 2028. Parties traded 90 contract(s) at a $150.00 strike. The total cost received by the writing party (or parties) was $103.3K, with a price of $1148.0 per contract. There were 3829 open contracts at this strike prior to today, and today 117 contract(s) were bought and sold.
<div class="lb-trans">• 關於 HOOD (NASDAQ: HOOD)，我們觀察到一個 看漲 期權 交易，其情緒為 中性。將在 2028 年 1 月 21 日 到期。交易方交易了 90 份合約，行權價為 $150.00。寫方（或各方）收到的總費用為 $103.3K，每份合約的價格為 $1148.0。在今天之前，該行權價下有 3829 份未平倉合約，今天交易了 117 份合約。
</div>• For BK (NYSE: BK), we notice a put option sweep that happens to be bearish, expiring in 242 day(s) on January 15, 2027. This event was a transfer of 68 contract(s) at a $130.00 strike. This particular put needed to be split into 27 different trades to become filled. The total cost received by the writing party (or parties) was $63.9K, with a price of $940.0 per contract. There were 119 open contracts at this strike prior to today, and today 80 contract(s) were bought and sold.
<div class="lb-trans">• 對於 BK (NYSE: BK)，我們注意到一個 看跌 期權 掃單，該掃單呈 看空 趨勢，將在 2027 年 1 月 15 日 到期，距離現在還有 242 天。此次事件涉及 68 份合約，行權價為 $130.00。該看跌期權需要拆分為 27 筆交易才能成交。寫方（或各方）收到的總成本為 $63.9K，每份合約的價格為 $940.0。在今天之前，該行權價下有 119 份未平倉合約，今天 80 份合約被買入和賣出。
</div>• For GS (NYSE: GS), we notice a put option trade that happens to be bullish, expiring in 942 day(s) on December 15, 2028. This event was a transfer of 28 contract(s) at a $400.00 strike. The total cost received by the writing party (or parties) was $53.7K, with a price of $1920.0 per contract. There were 98 open contracts at this strike prior to today, and today 32 contract(s) were bought and sold.
<div class="lb-trans">• 對於 GS (NYSE: GS)，我們注意到一個 看跌 期權 交易，該交易呈 看漲 趨勢，將在 2028 年 12 月 15 日 到期，距離現在還有 942 天。此次事件涉及 28 份合約，行權價為 $400.00。寫方（或各方）收到的總成本為 $53.7K，每份合約的價格為 $1920.0。在今天之前，該行權價下有 98 份未平倉合約，今天 32 份合約被買入和賣出。
</div>Options Alert Terminology
<div class="lb-trans">期權警報術語
</div>- Call Contracts: The right to buy shares as indicated in the contract.
<div class="lb-trans">- 看漲合約： 按合同規定購買股票的權利。
</div>- Put Contracts: The right to sell shares as indicated in the contract.
<div class="lb-trans">- 看跌合約： 按合同規定出售股票的權利。
</div>- Expiration Date: When the contract expires. One must act on the contract by this date if one wants to use it.
<div class="lb-trans">- 到期日： 合同到期的日期。如果想要使用該合同，必須在此日期之前採取行動。
</div>- Premium/Option Price: The price of the contract.
<div class="lb-trans">- 溢價/期權價格： 合同的價格。
</div>For more information, read more about unusual options activity.
<div class="lb-trans">欲瞭解更多信息，請閲讀 更多關於異常期權活動。
</div>This article was generated by Benzinga's automated content engine and reviewed by an editor.
<div class="lb-trans">本文由 Benzinga 的自動內容引擎生成，並由編輯審核。
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今日交易時段內 10 只金融股的鉅額交易活動