苹果手表的用户一定在健康里发现了一个叫做心率变异性(HRV)的参数，它是什么意思？与我们股票交易有什么关系？我们交易者每天最常用的工具就是指标了，比方说日交易者用vwap来盘点股票走势的强弱，那么是否有一个指标来判断咱们自制力的强弱呢？今天我们的股票交易心理就往硬核里更进一步，再为大家引入一个新名词：心率变异性。
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🖥🖱⌨我使用的设备⌨🖱🖥
主机：
Skytech Chronos Gaming Computer PC Desktop – Ryzen 9 3950X 3.5GHz, Strix RTX 2080 Ti 11G, 1TB NVME, 2TB HDD, 32GB DDR4 3600MHz, RGB Fans, Windows 10 Home 64-bit, 802.11AC Wi-Fi
- Ryzen 9 3950X 16-Core 3.5GHz (4.6 GHz Max Boost) CPU Processor | 1TB NVME SSD – Up to 30x Faster Than Traditional HDD | Secondary 2TB HDD | X570-E Motherboard
- Strix RTX 2080 Ti 11GB GDDR6 Graphics Card (Brand May Varies) | 32GB Trident Z Neo DDR4 3600MHz Gaming Memory with Heat Spreaders | Windows 10 Home 64-bit | AMD High Performance Wraith Cooler
- 802.11AC Wi-Fi with Antenna| No Bloatware | 1 x DisplayPort 1.2, 1 x HDMI 2.0 | HD Audio and Mic | Free Gaming Keyboard and Mouse | USB 3.2 Gen 2 Type A x 7, Type C x 1 |
- 4 x ARGB Dual RING Fans for Maximum Air Flow | 360mm ARGB AIO Cooler | Powered by 80 Plus Certified 750 Watt Power Supply | Skytech Chronos Black Edition with Front Mesh
- 1 Year Warranty on Parts and Labor | Lifetime Free Technical Support | Assembled in the USA | This powerful gaming PC is capable of running all your favorite games such as World of Warcraft, League of Legends, Grand Theft Auto V, Apex Legends, Fortnite, Roblox, PLAYERUNKNOWN’s Battlegrounds, Overwatch, Counter-Strike: Global Offensive, Battlefield V, Minecraft, The Division 2, and more at Ultra settings, detailed 1440p Quad HD resolution and smooth 60+ FPS gameplay.
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键盘：
Logitech G513 Carbon LIGHTSYNC RGB Mechanical Gaming Keyboard with GX Brown Switches - Tactile
- Personalize lighting for each individual key, customize lighting effects, and enjoy in-game integrations from a spectrum of 16. 8M colors with Logitech G hub. 1
- Gx brown is a traditional mechanical switch providing discernible actuation for gamers who prefer direct tactile feedback. This keyboard is also available in Linear and clicky switch experience, sold separately.
- Memory foam rest quickly and fully recovers from pressure So every use is as comfortable as the first.
- Aircraft-grade 5052 aluminum top case is anodized and brushed For a slim, premium design plus rigid durability.
- Convenient USB pass-through port makes it a snap to plug in your mouse, Flash drive or phone for direct data transmission or charging
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鼠标：
Sale
Logitech G502 HERO High Performance Wired Gaming Mouse, HERO 25K Sensor, 25,600 DPI, RGB, Adjustable Weights, 11 Programmable Buttons, On-Board Memory, PC / Mac
- Hero 25K sensor through a software update from G HUB, this upgrade is free to all players: Our most advanced, with 1:1 tracking, 400-plus ips, and 100 - 25,600 max dpi sensitivity plus zero smoothing, filtering, or acceleration
- 11 customizable buttons and onboard memory: Assign custom commands to the buttons and save up to five ready to play profiles directly to the mouse
- Adjustable weight system: Arrange up to five removable 3.6 grams weights inside the mouse for personalized weight and balance tuning
- Programmable RGB Lighting and Lightsync technology: Customize lighting from nearly 16.8 million colors to match your team's colors, sport your own or sync colors with other Logitech G gear
- Mechanical switch button tensioning: Metal spring tensioning system and pivot hinges are built into left and right gaming mouse buttons for a crisp, clean click feel with rapid click feedback
$37.99
Buy on Amazon
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UPS：
CyberPower CP1500AVRLCD Intelligent LCD UPS System, DISCONTINUED * SEE NEW UPDATED MODEL CP1500AVRLCD3 *
- 1500VA/900W Intelligent LCD Battery Backup Uninterruptible Power Supply (UPS) System uses simulated sine wave output to safeguard workstations, networking devices, and home entertainment equipment
- 12 NEMA 5-15R OUTLETS: Six battery backup & surge protected outlets; Six surge protected outlets; INPUT: NEMA 5-15P right angle, 45 degree offset plug with six foot power cord
- MULTIFUNCTION LCD PANEL: Displays immediate, detailed information on battery and power conditions, including: estimated runtime, battery capacity, load capacity, etc.
- AUTOMATIC VOLTAGE REGULATION (AVR): Corrects minor power fluctuations without switching to battery power, thereby extending the life of the battery
- 3-YEAR WARRANTY – INCLUDING THE BATTERY; $500,000 Connected Equipment Guarantee and FREE PowerPanel Personal Edition Management Software (Download)
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