--- type: "Topics" locale: "zh-CN" url: "https://longbridge.com/zh-CN/topics/39653525.md" description: "$SPDR S&P 500(SPY.US)03/31/2026Today's opening price is $638.940,$SPY 260331 638 Call(SPY260331C638000.US) opened at $3.16,$SPY 260331 639 Put(SPY260331P639000.US) opened at $2.58;At today's open, the Longbridge option calculator showed Put/Call IV of 25.20%/24.80%,13:35 at 26.10%/30.60%;Amplitude ranged from 0.35% at 09:42 to 1.82% at 13:39;$SPY 260331 638 Call(SPY260331C638000.US)Opening IV was higher than usual, intraday trading today continued to focus on the underlying,$Direxion Daily TSLA Bull 2X Shares(TSLL.US)09:45:01 $11.6200 => 09:46:24 $11.6800,SL$11.70,SHORT,It was not the best target for intraday trading,unlike $Alibaba(BABA.US) and $Walmart(WMT.US) which had strong trend continuity,10:06:09 $11.5807 => 10:11:19 $11.5997,SL$11.63,SHORT,Hesitated to open a position, went short at the end of a trend,but stopped loss in time, this level became intraday support,10:11:38 $11.6076 => 10:15:49 $11.6550,SL$11.55,LONG,Opened long position timely, upward movement was not smooth, took profits too early,11:20:54 $11.7200=> 11:24:21 $11.7489,SL$11.75,SHORT,Continued the previous uptrend, set a new intraday high,11:30:16 $11.6700 => 11:34:08 $11.6450,SL$11.72,SHORT,Downward movement was not smooth, took profits too early,Missed the shorting opportunity at 10:42 when the rebound failed to break through,12:41:42 $12.1093 => 12:44:14 $,12.0600,SL$12.03,LONG,Saw the breakout at 12:37, but was watching short videos at that time,Did not see the news "Iranian President Pezeshkian: We are ready to end the war, but hope to obtain guarantees."Missed it and chased to open a long position, resulting in a small loss,12:48:08 $11.9907 => 12:49:17 $11.9880,SL$12.05,SHORT,Did not short at the high point in time, chased to open at the low point, sold at the end of the trend,13:29:27 $12.0307 => 13:30:15 $12.0500,SL$12.08,SHORT,At 13:20, seeing it not making new highs, prepared to short,Due to fear of loss, did not open a position in time,Sold at the end of the trend, stopped loss and exited,$GraniteShares 2x Long NVDA Daily ETF(NVDL.US)10:53:53 $69.0512 => 10:58:31 $68.9488,SL$69.15,SHORT,Sold too late, only made minimal profit,Summary:1️⃣ Today's $Direxion Daily TSLA Bull 2X Shares(TSLL.US) was not a high-quality target for intraday trading,Before the positive war news at 12:36, it only oscillated narrowly within a $0.20 range;2️⃣ Missed the shorting opportunity on $Walmart(WMT.US) at 09:48 and the long opportunity at 11:00 due to fear of loss;3️⃣ Obsessing over one stock is also not good. If the day's trend is not favorable,it often wastes a whole day of trading time." datetime: "2026-03-31T17:39:47.000Z" locales: - [en](https://longbridge.com/en/topics/39653525.md) - [zh-CN](https://longbridge.com/zh-CN/topics/39653525.md) - [zh-HK](https://longbridge.com/zh-HK/topics/39653525.md) author: "[真的很開門](https://longbridge.com/zh-CN/profiles/15145695.md)" --- > 支持的语言: [English](https://longbridge.com/en/topics/39653525.md) | [繁體中文](https://longbridge.com/zh-HK/topics/39653525.md) # $SPDR S&P 500(SPY.US)03/31/2026Today's opening… ### 相关股票 - [SPDR S&P 500 (SPY.US)](https://longbridge.com/zh-CN/quote/SPY.US.md)