Avertissement : les CFD sont des instruments complexes et comportent un risque élevé de perte rapide d'argent en raison de l'effet de levier.
Vous devez vous demander si vous comprenez le fonctionnement des CFD et si vous pouvez vous permettre de prendre le risque élevé de perdre votre argent.
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Voluntary disclosure
The act of a company voluntarily providing financial or other information to the public or to shareholders.
Vostro account
A foreign currency account held by a bank on behalf of another bank.
VVIX
VVIX takes the idea behind the VIX one step further. The VIX measures expected movement in the S&P 500, while VVIX measures how much the VIX itself is expected to move.
Cboe calculates VVIX using prices from options on the VIX. A higher reading means the options market expects sharper changes in the VIX. A lower reading suggests more stable expectations.
The VIX may remain close to 18 while VVIX rises. In that case, the current estimate of market volatility has not changed much, but traders expect it to become less stable. VVIX is mainly followed by people who trade or hedge volatility.
VWAP
A simple average gives every trade the same importance. VWAP does not. It stands for volume-weighted average price and gives more weight to prices where more trading took place.
If 100 shares trade at $10 and another 900 shares trade at $11, the VWAP is $10.90. The larger trade at $11 has a much stronger effect on the result.
Traders often compare their own execution price with VWAP. A buyer who pays below VWAP received a lower price than the market’s volume-weighted average for that period.
VWAP usually resets at the start of each trading session, so it is mainly used during the day.
Wallet
A wallet is a digital tool used to store, send, and receive money or digital assets. In finance, it usually refers to a digital wallet, such as Apple Pay or PayPal, or a crypto wallet, which helps users manage cryptocurrencies like Bitcoin or Ethereum.
A digital wallet can be connected to a bank card or hold stored value, allowing users to make payments online, in stores, or through QR codes. A crypto wallet works differently: it does not store coins directly. Instead, it stores the private keys needed to access and manage assets on the blockchain.
Wallets can be custodial, where a third party manages access, or non-custodial, where the user controls their own keys. They can also be hot wallets, connected to the internet, or cold wallets, kept offline for stronger security.
Example:
If you use a mobile wallet to pay for coffee by scanning a QR code, that is a digital wallet in action. If you use MetaMask to send Ethereum, that is a crypto wallet.
In simple terms, a wallet is your digital access point to money, payments, and crypto assets.
Wash sale
A transaction in which a trader sells a financial instrument at a loss and then repurchases it shortly thereafter.
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