IV與期權價格的關係

IV與期權價格的關係

Implied volatility是期權交易中的一個重要概念,它是指市場對於未來股票波動率的預期值。在期權交易中,波動率是一個非常重要的因素,因為它直接影響期權的價格。當市場預期股票波動率會增加時,...
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VPN101: Openvpn 與 Wireguard的分別

VPN101: Openvpn 與 Wireguard的分別

在現今的數位時代,隱私和安全已成為人們最關注的議題之一。為了保護個人隱私和數據安全,越來越多的人開始使用VPN(虛擬私人網路)來加密和保護他們的網路流量。然而,選擇一個適合自己的VPN協議並不是一件容...
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甚麼是Chatgpt?
Ai

甚麼是Chatgpt?

Chatgpt是一種基於人工智能技術的對話機器人,它可以進行自然語言對話,並且能夠理解人類的語言和意圖。Chatgpt的全稱是“聊天生成預訓練模型”,它是由OpenAI公司開發的一種人工智能技術,旨在...
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🎨 Nano Banana Pro 圖像生成器|打幾句說話就出圖

想畫人像、產品圖、插畫?SSFuture 圖像生成器支援 Flux Gemini Nano Banana Pro 改圖 / 合成, 打廣東話都得,仲可以沿用上一張圖繼續微調。

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一隻在香港茶餐的喝奶茶的貓 Stylised portrait in emerald green and charcoal black palette. Grayscale realism for subject, upward gaze. Sunglasses with muted emerald reflective lenses. Jacket with ornate baroque/filigree black designs, emerald hood underneath. Textured emerald-green fabric draped below. Background: dense, overlapping hand-inked patterns in emerald, charcoal, and subtle silver — radiating lines, geometric shapes, spirals, parallel contour textures, crosshatching, organic waves, dots. Bold contrast, deep blacks, glowing emerald accents. Mixed-media pop realism. Negative prompt: no cartoon, no art style, no painting, no drawings. Edit the uploaded photo (face based on the reference photo). Ensure the face remains consistent with the person in the uploaded image, without changing facial structure, skin tone . Create a Create an 8K ultra-realistic image of a jpyful woman dancing and celebrating in the rain outdoors. She has a big smile on her face, eyes closed with happiness. She is wearing a floral sleeveless dress with a fitted waist and a short, flowy skirt. She has a simple gold necklace and her dark hair is tied back. Her arms are raised, one hand higher than the other, and she is barefoot, standing on wet ground with her toes touching the surface. The background is blurred with dark green trees, emphasizing her joyful expression and movement. The rain is falling steadily around her, creating a lively and vibrant atmosphere. Using a Canon EOS R camera with a 50mm f/1.8 lens, f/2.2 aperture, shutter speed 1/200s, ISO 100 and natural light, Full Body, Hyper Realistic Photography, Cinematic, Cinema, Hyper detail, Ultra hd, Color Correction, ultra hd, hdr , color grading, 8k.